Brisbane-based <a href="https://www.apartments.com.au/developers/red-co">Red &amp; Co Developments</a> has officially launched its $250million COMO apartment development in Varsity Lakes, while simultaneously commencing construction.&nbsp;

Building work is now underway at COMO following the appointment of <a href="https://www.apartments.com.au/builders/5point-projects">5Point Projects</a> as contractor to deliver the boutique development which will rise on a 2857 sqm site overlooking Lake Orr at 22 Lake Street.

When completed, <a href="https://www.apartments.com.au/new-apartments/como-varsity-lakes-22-lake-street-varsity-lakes-qld-4227">COMO</a> will comprise 156 apartments across 16 levels located in the heart of Varsity Lakes.

[smartcode_project:default project_id=135546 project_image_fid=363515]

The project, which will sit alongside Bond University, will deliver a diverse array of apartment designs comprising one-, two- and three-bedroom residences that have already attracted interest from local and interstate investors as well as an array of owner occupiers looking to gain a foothold in the precinct.

Red &amp; Co, which has largely focused on the Brisbane market in recent years where it has delivered more than 500 apartments and townhouses across 26 projects, has designed COMO to combine tranquil, lakeside living with the vibrant urban convenience of the vibrant Varsity Lakes village.

“We’re thrilled to announce a start to construction of COMO in conjunction with the official launch of the project, our first for the Gold Coast,” said Red &amp; Co Director and Co-Founder David Laverty.

[smartcode_project:default project_id=135546 project_image_fid=363509]

“COMO is superbly positioned to capture the essence of the Varsity Lakes village lifestyle and its thriving café and dining precinct, while delivering a much-needed diverse supply of premium residences for the local market.

“Pre-launch inquiries have been strong among both local and interstate investors and owner-occupiers, including downsizers and upgraders who appreciate the value proposition that COMO represents.”

Prices at COMO start from $1,000,050.

[smartcode_project:default project_id=135546 project_image_fid=363511]

Designed by <a href="https://www.apartments.com.au/architects/bda-architecture">BDA Architecture</a>, the COMO development incorporates an extensive range of amenities for residents including a 25-metre rooftop lap pool, sundeck, barbecue and dining areas, as well as multiple rooftop pickleball and paddleball courts, a wellness and activity centre, gym, sauna, plunge baths and landscaped gardens.

“COMO presents a rare opportunity to secure a stylish, lifestyle-focused home in one of the Gold Coast’s most sought-after neighbourhoods,” added Laverty.

“The rooftop will be the epicentre of fun for residents with an array of amenities for residents that are quite unique for a boutique project such as this, all while offering spectacular vistas across the Gold Coast as far north as Southport and south to Burleigh.”

[smartcode_project:default project_id=135546 project_image_fid=363514]

&nbsp;

Red &amp; Co has chosen the Varsity Lakes site for its proximity to top-tier schools, major shopping hubs, such as Robina Town Centre and its CBD offering, as well as key Gold Coast transport links, including Varsity Lakes Train Station.

COMO will be located just a short walk to shops, cafes and restaurants in Varsity Lakes and just a 10-minute drive to the Burleigh Heads beachfront.

With construction currently underway, Red &amp; Co anticipates COMO will be completed in 2028.

[smartcode_project_cta:default project_id=135546]

Joel Robinson

Red & Co to launch debut Gold Coast development Como Varsity Lakes as construction commences

Longstanding Gold Coast developer Raptis has acquired a prime development site on Surf Parade for its next Broadbeach apartment project.

Progressing towards completion of <a href="https://www.apartments.com.au/new-apartments/the-sterling-broadbeach-6-8-george-avenue-broadbeach-qld-4218">The Sterling Broadbeach</a>, 90 apartments on nearby George Avenue, <a href="https://www.apartments.com.au/developers/raptis">Raptis</a>, led by second-generation family man Evan Raptis, has picked up a block on the corner of Surf Parade and First Avenue.

The site had been earmarked for a luxury apartment project with 33 full-floor apartments across a 37-storey tower. Raptis will go back to the drawing board and create a building more appropriate for the site. The development application will be lodged later this month.

Evan Raptis told Apartments.com.au the site ticks all the boxes.

"Broadbeach is a suburb we've developed several buildings over the years. Surf Parade ticks all the boxes for the type of apartment development we want to deliver."

Raptis had several pre-lodgement meetings with council to ensure they are aligned in the development.

<img alt="Raptis" data-entity-type="file" data-entity-uuid="f0d58573-07a4-47a8-9f5e-fbf35fb03dc3" src="https://s3.ap-southeast-2.amazonaws.com/www.urban.com.au/s3fs-public/inline-images/Screenshot%202026-03-05%20at%204.58.23%E2%80%AFPM.png?VersionId=iczZEd_4_o4UL0PHMPJGfy_q3tv96J5i" />

Surf Parade has emerged in recent years as one of the most popular streets in Broadbeach for development.

South East Queensland developer Mosaic Property Group kicked it off with Marella by Mosaic. Bassar Group sold out Infinity on the street, while for its&nbsp;first Gold Coast development, Polycell grabbed a Surf Parade site for <a href="https://www.apartments.com.au/new-apartments/the-rochester-broadbeach-143-surf-parade-broadbeach-qld-4218">The Rochester</a>, which is nearly sold out.

Melbourne-based developer Hirsch &amp; Faigen recently launched its fourth Gold Coast project on the exclusive strip. The Eveleigh Broadbeach will have 100 apartments across a 31-storey building designed by Rothelowman.

GV Property Group site development specialists Antonio Mercuri and Luke Reaby, who both amalgamate sites and sell shovel-ready sites to developers up and down the Gold Coast, sold Surf Parade to Raptis.

Raptis secures prime Surf Parade site for next Broadbeach apartment development

Less than two years after breaking ground, Gardner Vaughan Group is celebrating the topping out of Bask, its second development in the exclusive coastal enclave of Bokarina on Queensland’s Sunshine Coast.&nbsp;

Located only minutes from the beachfront, the two seven-storey luxury apartment towers, known individually as Mydas and Caretta, offer a selection of one-to-four-bedroom residences with views of Lake Kawana, the Glasshouse Mountains, and Bokarina Beach.&nbsp;

[smartcode_project:default project_id=141609 project_image_fid=333359]

Gardner Vaughan Group Commercial Director Sam Gardner said the milestone marks the home stretch for construction, with first residents expected to be able to move in from Spring 2026.&nbsp;

“This is a significant milestone in bringing this development to life and represents our confidence in this region’s long-term growth and appeal,” Gardner said.&nbsp;

“With 85 per cent of apartments already sold, buyers are joining an established, coastal village that offers the very best of the Sunshine Coast – seasonally patrolled surf beaches, renowned restaurants, and links to established health and retail.&nbsp;

“The final collection of three- and four- bedroom apartments range in size from 127sqm to 300sqm, each with two or three secure car parks and storage, and with construction fast approaching completion we don’t expect the last few apartments to remain on the market for long.”&nbsp;

[smartcode_project:default project_id=141609 project_image_fid=333362]

Local restaurateur Luke Stringer, who co-owns and manages the award-winning Bocca Italian and Playa Mexican restaurants in Bokarina, has lived in the beachside suburb for 18 months and worked there for more than three years, and said the beachside suburb was thriving.&nbsp;

“It’s fair to say Bokarina is finally stepping into the sun and there’s a lot to love about the place,"&nbsp;Stringer said.

"It’s such a great community, where you see the same smiling faces every morning and everything’s within easy reach – it’s the perfect hub in the middle of the Sunshine Coast.

“When we first opened Bocca Italian, we were the lone restaurant, but it’s been amazing to see how the area has grown. The more venues that open, the busier it gets for everyone. When Playa Mexican opened its first Saturday night, Bocca had a record night and Playa was packed too, which blew us away how everyone is thriving.&nbsp;

“There’s a great energy around the place now, and people are really embracing Bokarina as a food and lifestyle destination.”&nbsp;

[smartcode_project:default project_id=141609 project_image_fid=363368]

Stringer joined other buyers at Bask Bokarina and the Gardner Vaughan Group team to celebrate the topping out at a special event in February.&nbsp;

Located in Kawana Waters, midway between Caloundra and Maroochydore, Bokarina locals enjoy scenic walking paths around Lake Kawana, playgrounds, beachfront boardwalk and parklands, alongside all the convenience of a masterplanned beachside community.&nbsp;

“You see people jogging or swimming in the morning, then grabbing coffee at the cafes, people are really embracing the area and all this growth is bringing more people to Bokarina,” Stringer added.&nbsp;

To take advantage of the vistas, each of the 135 apartments at Bask is designed with full size windows and high ceilings that provide an abundance of natural light.&nbsp;

Prices for the remaining three-bedroom apartments start at $1,599,000 and four-bedroom apartments start at $3,149,000.&nbsp;

[smartcode_project:default project_id=141609 project_image_fid=363369]

The mixed-use development also features ground-level retail space for cafés, dining options and boutiques, including the soon-to-be-opened ‘Corner Shop’, by the team behind Noosa’s well known ‘Organika’.

Sam Gardner said Gardner Vaughan Group’s 37-year history building and developing across South East Queensland has contributed to the success of its second development in Bokarina, which follows the recently completed Zinc Apartments.&nbsp;

“We care how people live and this is reflected in the way we approach the design and delivery of every development,” he said. “Furthermore, as a builder-developer we have full control over the construction program and our 100 per cent completion rate is something people can draw confidence from.”&nbsp;

Founded by civil engineers Guy Gardner and Darryl Vaughan in 1989, the family-owned business has evolved from a consultancy firm to an award-winning builder-developer, with projects across the Sunshine Coast, Moreton Bay, Brisbane and the Gold Coast.

[smartcode_project_cta:default project_id=141609]

Gardner Vaughan Group tops out Bask Bokarina apartments

Prolific Melbourne developer <a href="https://www.apartments.com.au/developers/hirsch-faigen">Hirsch &amp; Faigen</a> has launched its fourth new Gold Coast development in as many years.

<a href="https://www.apartments.com.au/developers/hirsch-faigen">Hirsch &amp; Faigen</a>, led by Daniel Faigen and backed by Eddie Hirsch, co-founder of United Petroleum, has unveiled The Eveleigh, on a prime 1,100 sqm site at 7-9 Surf Parade in the heart of Broadbeach.

<a href="https://www.apartments.com.au/new-apartments/the-eveleigh-broadbeach-7-9-surf-parade-broadbeach-qld-4218">The Eveleigh</a> will deliver 100 apartments across 31 levels, making it the company’s largest Gold Coast project to date. It builds on the success of its three earlier developments, <a href="https://www.apartments.com.au/buildings/hemingway-1267-1273-gold-coast-highway-palm-beach">The Hemingway in Palm Beach</a> and <a href="https://www.apartments.com.au/buildings/emerson-kirra-100-musgrave-street-coolangatta">The Emerson at Kirra</a>, both completed, and <a href="https://www.apartments.com.au/new-apartments/yves-mermaid-beach-7-9-mermaid-avenue-mermaid-beach">Yves Mermaid Beach</a>, which is nearing completion.

[smartcode_project:default project_id=149670 project_image_fid=360966]

The announcement of The Eveleigh affirms the company’s sustained confidence in the Gold Coast market which continues to remain undersupplied. It also increases the value of Hirsch &amp; Fa​igen’s Gold Coast development portfolio to more than $700 million since the company first entered the market in 2021 with Hemingway.

The company has enlisted its preferred architecture firm Rothelowman to design The Eveleigh, which will offer a thoughtfully curated lifestyle, including a substantial wellness precinct, communal recreation areas, children’s play spaces, work-from-home facilities, and shared lounge and dining areas.

[smartcode_project:default project_id=149670 project_image_fid=360965]

Designed for the prime market demographic of downsizers and interstate lifestyle investors in mind, The Eveleigh has been crafted to offer an increasingly rare blend of affordable luxury in a tightly held market. Uniquely positioned in the heart of the Gold Coast’s most sought-after lifestyle suburb of Broadbeach, the project will also boast uninterrupted beach and hinterland views.

The Surf Parade site is just a short walk to the bustling Broadbeach dining and retail precinct, Pacific Fair, The Star Gold Coast and convention centre, and an easy stroll to Kurrawa Beach and the recreational amenity of Pratten Park on the Broadbeach foreshore.

[smartcode_project:default project_id=149670 project_image_fid=360975]

“We’re excited to be proceeding with our fourth project on the Gold Coast in what is certain to become the new luxury precinct in Broadbeach,” says Anthony Bueti, the CFO of Hirsch &amp;a​mp; Faigen and a shareholder of the group.

“With the likes of Mosa​ic and Abedian &amp;a​mp; Co also launching quality projects in the area, the transformation will cement Broadbeach as the premier lifestyle and amenity suburb on the Gold Coast.

"After four years in the Gold Coast market, and with three successful projects completed, The Eveleigh is the product of everything we have learned to love about the Gold Coast and it will be an incredible addition to our growing portfolio in one of the most vibrant property markets in the country. We continue to remain very confident in the high-end Gold Coast property market.”

Urban Activation Director Matt George is handling sales for The Eveleigh, having sold out The Emerson, The Hemingway, and Yves, all before construction was completed.

Melbourne builder MAXCON has already commenced construction on The Eveleigh. They are forecasting a mid-2028 completion.

[smartcode_project_cta:default project_id=149670]

Hirsch & Faigen unveils The Eveleigh in Broadbeach

Two years after securing development approval for the final stage of its award-winning Thornton Precinct on the doorstep of Penrith Station, Urban Property Group is set to launch <a href="https://www.apartments.com.au/new-apartments/mayfair-on-penrith-172-lord-sheffield-circuit-penrith-nsw-2750">Mayfair on Penrith</a>, around 400 apartments designed to reflect two of Sydney’s most iconic structures.

The builder-developer has continued refining the design plans for the two-building development on a significant 8,280 sqm site on Sheffield Circuit, recognising the importance of the prime parcel as one of the closest developable sites to the station.

UPG enlisted architecture firm SJB to design the project. The team said they drew inspiration from both the General Post Office in Martin Place and East Circular Quay to help shape the design. The two-level colonnade, in particular, reflects the famous GPO building, which dates back to the 1860s.

[smartcode_project:default project_id=136726 project_image_fid=362014]

There will be one-, two-, and three-bedroom apartments on offer, with interiors by Cox Architecture. Residences will sit above a retail podium featuring hospitality and lifestyle operators such as One Playground and Volcano’s Steakhouse, contributing to an activated ground plane within the broader Thornton precinct.

A communal rooftop with a pool and views towards the Blue Mountains will provide shared open space for residents. The development is positioned between Ron Mulock Oval and Westfield Penrith, with the Nepean River and Great River Walk also nearby, placing daily amenity and green space within walking distance.

&nbsp;

[smartcode_project:default project_id=136726 project_image_fid=362015]

Mayfair is being delivered by Urban Property Group, a family-owned developer and builder with nearly 40 years’ experience across Sydney. The project will be the first in Penrith to be offered with Resilience Insurance’s 10-year Latent Defects Insurance (LDI) policy, which Urban Property Group has adopted across a number of its recent developments. The developer also has a 4.5-star iCIRT rating, one of the best ratings in market providing further confidence to buyers.

Urban Property Group CEO Patrick Elias said providing additional assurance to off-the-plan buyers has become increasingly important.

“Anything we can do to give confidence in our product is a plus,” Elias told Apartments.com.au.

“Consumers are a lot more weary and a lot more concerned in buying off the plan than they ever have been. They’re making their single large investment, which is their home, and providing confidence is something that we feel is paramount.”

[smartcode_project:default project_id=136726 project_image_fid=362020]

The LDI policy provides a 10-year warranty covering structural defects, with independent inspections carried out during construction and protection for owners if defects arise post-completion.

Mayfair represents Urban Property Group’s sixth and final development within Thornton, consolidating the masterplanned precinct immediately east of the station.

The developer, which builds its own projects, has already commenced construction. SRM Residential is handling the sales campaign.

[smartcode_project_cta:default project_id=136726]

Urban Property Group to close the curtain on award-winning Thornton precinct with Mayfair on Penrith release

Energy Use

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<img src="https://counter.theconversation.edu.au/content/64052/count.gif" alt="The Conversation" width="1" height="1"> GUEST OBSERVER
Energy upgrades in Australia’s buildings could deliver a quarter of Australia’s 2030 emissions reduction target. Improving energy performance through improved building design, heating and cooling systems, lighting and other equipment and appliances could also deliver more than half of our National Energy Productivity Target.
Progress has been slow, however, and our research shows that delay leads to lost opportunities and billions in wasted energy costs.
The new federal environment and energy minister, Josh Frydenberg, has an opportunity here to demonstrate the potential of his new merged role. Today in Canberra, Australia’s energy ministers are meeting for the first time since the election through the COAG Energy Council.
One item on the agenda will be the National Energy Productivity Plan (NEPP). It aims to improve energy productivity 40% by 2030. This involves increasing the economic value produced from each unit of energy consumed.
The NEPP contains a number of good measures relating to buildings. However, without stronger governance arrangements, more transparency and stronger and clearer public communication and engagement, there is a risk that these policy measures will simply slip between the cracks of multiple agencies, portfolios and jurisdictions in the building sector.
<h2>What can better buildings achieve?</h2>
Our research found buildings could help meet our climate and energy goals, as you can see in the charts below.
We found that improving energy efficiency in buildings could deliver 10% of our emissions target. Distributed energy (primarily rooftop solar) could achieve an extra 18 percent.
<a href="/images/2016/08/19/image-20160817-3592-1liiikj.png" target="_blank">Click to enlarge</a>
<img src="/images/2016/08/19/image-20160817-3592-1liiikj.png" alt="">
<h4>
Potential contribution of built environment opportunities to 2030 national emissions target (MtCO2e) ClimateWorks Australia, May 2016
</h4>
The energy efficiency improvements could reduce energy use by 202 petajoules, or half of what would be needed to achieve the energy productivity target.
<a href="/images/2016/08/19/image-20160818-2498-ff9x64.png" target="_blank">Click to enlarge</a>
<img src="/images/2016/08/19/image-20160818-2498-ff9x64.png" alt="">
<h4>
Potential contribution of built environment energy efficiency opportunities to 2030 National Energy Productivity Target (PJ)ClimateWorks Australia, May 2016
</h4>
<h2>The cost of delay</h2>
Despite the massive opportunity to reduce emissions from the building sector, overall progress to date has been slow.
Market leaders, particularly in the commercial office market, have achieved a radical change in their energy productivity and are recognised as global leaders in sustainable buildings. There are many examples of very high-performing or net-zero-emission buildings around Australia.
However, the market as a whole has improved its energy performance only 2% over the past decade for commercial buildings, and 5% for residential buildings. We are not currently on track.
Our report found that continuing to delay action to reduce emissions from buildings means we would lose a substantial amount of cost-effective options to improve energy performance. Many emissions reduction opportunities exist only for a certain period of time. For example, installing inefficient equipment instead of more efficient options effectively locks in excessive emissions for many decades into the future.
Just five years of delay could lead to A$24 billion in wasted energy costs and more than 170 million tonnes of lost emissions reductions by 2050. This is a very substantial loss, considering the current national emissions target aims to reduce emissions by 272 million tonnes by 2030.
Without additional action buildings would eventually consume more than half of Australia’s “carbon budget” by 2050. That would leave less than half for all other sectors of the economy, including emissions-intensive industries, transport, land and agriculture.
<h4><a href="/images/2016/08/19/image-20160817-3569-1mhmozw.png" target="_blank">Click to enlarge</a></h4>
<img src="/images/2016/08/19/image-20160817-3569-1mhmozw.png" alt="">
<h4>
Cost of delay (MtCO2e) ClimateWorks Australia, May 2016
</h4>
<h2>Stronger policy</h2>
To realise the emissions reduction potential in the building sector, strong policy will be required to tackle the barriers to better energy performance for buildings. Our report recommended five key solutions as part of an integrated policy suite.
First, develop a national plan to co-ordinate policy and emissions-reductions measures to extend gains made by market leaders across the entire building sector.
Second, introduce mandatory minimum standards for buildings, equipment and appliances aligned with the long-term goal of net zero emissions.
Third, develop incentives and programs to motivate and support higher energy performance in the short to medium term.
Fourth, reform the energy market to ensure it supports cost-effective energy efficiency and distributed energy.
Finally, we need a range of supporting data, information, training and education measures to enable informed consumer choice and support innovation, commercialisation and deployment of new technologies and business models.
Implementing these policy measures would set Australia on a pathway to zero-carbon buildings and unlock the large potential for buildings to deliver improved health outcomes and more liveable and productive cities.
<h2>Unblocking barriers</h2>
Unfortunately, the opportunity to reduce emissions from buildings is blocked by strong barriers that require co-ordination between the Commonwealth, states and territories.
To address the complexity of this task, the NEPP needs stronger governance arrangements, including a specified target or targets for buildings, to complement the overall 40% NEPP target, and more regular public reporting (there is no public review until 2020).
Stronger and clearer communication and engagement around the target and buildings’ energy performance within it would also help provide confidence and drive innovation and activity among households and businesses.
In addition, we need better co-ordination between the members of the Energy Council, and between the council and other government forums and agencies.
For example, the National Construction Code, which regulates minimum standards for new buildings and major refurbishments, is a critical policy lever. However, the code is overseen by the Building Ministers Forum, not the Energy Council, while a range of different state and territory bodies oversee enforcement of the standards.
There are similar issues around harmonising of different energy performance ratings across jurisdictions, co-ordinating training and accreditation of professionals throughout the building design and construction sector, and energy market reform to establish a level playing field for energy efficiency and decentralised renewable energy.
Co-ordination of these issues should be a major focus for the Energy Council. The new minister for environment and energy – as the minister responsible for delivering on both our national emissions reduction targets and on the productivity plan – is now in a unique position to lead these efforts. We encourage the COAG Energy Council to support him in this.
Eli Court is implementation manager, Climateworks Australia, Monash University and author for The Conversation. He can be contacted <a href="https://theconversation.com/profiles/eli-court-181595" target="_blank">here</a>.
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jchancellor-FAypfDUnLy

Remove barriers to better buildings: a task for Australia's energy ministers

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<img src="https://counter.theconversation.edu.au/content/57114/count.gif" alt="The Conversation" width="1" height="1">
GUEST OBSERVER
Light globes that change colour with the tap of an app, coffee machines you can talk to, and ovens that know exactly how long to cook your food: our homes are getting smart. These devices, just a few examples of what is known as “the internet of things” (or IOT), have been called the “next great disruptor” and “the second digital revolution”.
One of the great hopes of this revolution is that it will help households save energy. Sensors can turn off lights and appliances when not in use, or turn the heating down when people go to bed. Smartphone apps can provide households with more insight into the energy use of their appliances.
While estimates vary widely, industry proponents suggest that emerging connected home technologies could help households reduce their energy bills by 10-25 percent. Such claims are largely speculative given the absence of robust “before and after” research.
Social research from Australia and the UK is revealing ways in which IOT might also increase energy demand. We have identified three “hidden” energy impacts which are rarely considered in IOT research or energy-saving predictions.
<h2>New updates and hardware</h2>
Estimates of the true energy and data costs of IOT are currently vague. In part, this is due to the variety of possible impacts within the home, within distributed information infrastructures, and in the production, transportation and disposal of goods.
For example, one estimate suggests that the data servers required to power the internet already produce as much greenhouse gas as the airline industry (around 2% of global emissions). Some predict that server electricity use will treble in the next decade.
While IOT is still a relatively small (and largely unknown) part of this growth, its share is likely to increase substantially in coming years.
As with smartphones and other computers, updates for connected devices add to growing data traffic and hence energy consumption by data centres and transmission networks.
There may also be more energy demand from the increasing need for data centres, control rooms and home networks located within people’s homes (as observed in some of our research). This hard infrastructure takes up space, runs on energy and may require air-conditioned cooling or heating to keep it operating normally.
The rapid emergence of new software for household appliances such as fridges and washing machines may encourage more frequent upgrading of these devices – as seen with televisions and computers over recent years.
Given that it also takes energy to make appliances, discarding and upgrading devices that aren’t smart enough would undermine policies intended to reduce electronic waste (e-waste) and reduce embedded energy.
<h2>New needs</h2>
Like the industrial revolution of the home, which raised cleanliness expectations and resulted in more energy and water consumption overall, devices like smart thermostats might also raise expectations for comfort, particularly if air-conditioned heating and cooling is used more often and in more rooms.
For example, home automation company Lutron promotes the creation of “pleasance” - a seductive concept promising the perfect combination of luxury, relaxation, pleasure and comfort - all enabled by smart tech.
This vision permeates a range of ambience and aesthetic connected technologies, such as mood and scene lighting, automated water fountains, smart toilets and whole-house audio-visual systems.
By themselves, such features may be relatively low-power. But they add to existing services and are likely to require a degree of always-networked, always-ready standby power consumption.
In one recent estimate, connected devices were forecast to grow globally from 10 billion in 2014 to between 30 billion and 50 billion by 2020. With potentially billions of networked devices in the not-too-distant future, globally these impacts could be considerable.
With more devices at our fingertips, we are also using them more often. Instead of watching only one television, multiple family members can use their tablets and smartphones at the same time. Even though each individual device might be super efficient and battery-powered, it may add up to more energy demand overall.
Even devices marketed to save energy might increase it. For example, some smart apps allow householders to switch their heating or cooling off remotely when they forget.
However, they also provide new opportunities to turn it on remotely. As one article suggests: “if you want the aircon roaring before you come home … use the app to turn it on before you get home”.
Having more connected devices can also create more complexity. This is opening up markets for new devices that integrate and consolidate technologies across the home.
For example, virtual helpers like Amazon’s Echo (Alexa) and the Google Home Assistant can do everything from turning on your lights to playing your favourite music. These devices are new additions for most homes, consuming small amounts of energy in their own right, but adding to the energy demands of distant data servers.
<h2>New services</h2>
New services are also emerging, such as smart versions of mattresses and fridges that monitor health and assist with sleep, diet and medication patterns.
The security industry is also rapidly evolving to provide surveillance features which allow constant home monitoring from a distance and enable lights and appliances to be switched on to deter burglars. Devices also provide live-stream video sent to smartphones and tablets so householders can check on the activities of their children and pets.
All these devices involve various forms of energy demand, which includes powering the devices themselves. They also transmit data over the internet and make greater use of streamed media content; another key component of the growing energy used by the internet.
That does not mean that IOT has nothing to offer: the devices we have described above arguably have many benefits.
But we do need to pay more attention to these hidden impacts as governments and households embrace these technologies for their promoted energy-saving benefits.
Yolanda Strengers is senior research fellow, Centre for Urban Research, RMIT University and can be contacted <a href="https://theconversation.com/profiles/yolande-strengers-15350" target="_blank">here</a>.
Janine Morley is senior research associate, DEMAND Centre, Lancaster University and can be contacted <a href="https://theconversation.com/profiles/janine-morley-148596" target="_blank">here</a>.
Larissa Nicholls is research fellow, RMIT University and can be contacted <a href="https://theconversation.com/profiles/larissa-nicholls-109087" target="_blank">here</a>.
Mike Hazas is senior lecturer in Human-Computer Interaction, Lancaster University and can be contacted <a href="https://theconversation.com/profiles/mike-hazas-152520" target="_blank">here</a>.
All are authors for The Conversation.
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The hidden energy cost of smart homes

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<img src="https://counter.theconversation.edu.au/content/57114/count.gif" alt="The Conversation" width="1" height="1">
GUEST OBSERVER
Winter is here! Despite many Australians opting not to heat their homes to the point of complete comfort, many of us nevertheless will soon receive a nasty surprise when the energy bills arrive.
With Australia’s historically cheap energy, old housing stock in many areas, mild climate and frequent emphasis on low building costs, many homes are little more than “glorified tents” when it comes to thermal performance.
Besides wanting smaller bills, many residents also want to improve comfort, lessen their environmental impact and boost their home’s value.
So here is a list of 22 things you can do to improve your home’s energy performance – some cheap, some free, and some that can even make you some money up-front as well as cutting your bills. Of course, to reach the ultimate goal of a home heated and powered by 100 percent renewable electricity you may still wish to put some solar panels on your roof, but why not consider the following actions first?
1. Make sure you get the maximum discount on your energy bills. Although not available everywhere, in Victoria discounts of up to 38% are available on gas or electricity. Ring up your retailer and just ask, or threaten to switch, or better yet seek out a retailer that doesn’t treat their discounts like state secrets.
2. Monitor your power usage with the help of a “smart” electricity meter or in-home electricity display. This real-time (or near-real-time) information is more useful than the coarse monthly data commonly printed on energy bills. It can help identify appliances that have inadvertently been left on or those that draw excessive power when not in use.
3. Heat your water off-peak. If you have a resistive-electric hot water storage tank, make sure it heats up at night, when off-peak power rates apply. In some areas, “time of use” rates are available.
4. Get rid of your ‘garage fridge’. It can cost hundreds of dollars a year to run an inefficient 20-year-old fridge, especially if it’s in a garage that hits 50℃ in summer.
5. Ditch your super-hot plasma. If you have a 10-year-old television that gets so hot you can fry an egg on the screen, check out the newer models that can use one-tenth of the electricity.
6. Install a modern showerhead, such as those designed with double-impinging jet technology that use only 5 litres of water per minute. Old showerheads can pass up to 35 litres per minute. Why not grab a bucket and stopwatch and test yours?
7. Insulate any exposed hot water pipes, including the pressure-relief valve on your hot water tank. Make sure hot water pipes do not run uninsulated straight into the soil in your garden. Insulate electrically heated storage tanks where it is safe to do so.
8. Check your heaters and air conditioning. Gas heating systems should be checked at least every two years by a qualified person, not least to keep poisonous carbon monoxide gas at bay. All heating or cooling system filters should be cleaned regularly to improve energy efficiency and air quality.
9. Inspect your ducts. Poorly installed or degraded ductwork can lead to big energy losses, which can go unnoticed for decades. Ensure that small children or animals have not gone under your house and damaged your gas heating ducts. Check also that air returns are properly “boxed-in” and do not draw air in from the wall cavity instead of from the living space. However, cleaning the inside of your ducts is not critical for energy saving, and risks damaging them in the process.
10. Banish drafts, for instance by plastering over those ubiquitous wall vents – relics from the days when homes relied on unflued heaters or gas lights. Seal off unused chimneys and fill any other cracks, gaps or holes around doors, windows, skirting boards, floorboards and architraves. Remember to close air-conditioning ceiling vents in winter. Ventilation should be controlled by opening windows, not by having permanent holes in the walls.
11. Eliminate ceiling-mounted downlights wherever possible. A small number of modern wide-beam LEDs can adequately replace a larger quantity of narrow-beam halogen downlights. Aim to have as few holes cut into your ceiling as possible, because these holes let heat escape in winter and let it in during summer.
12. Install downlight covers over all downlights that protrude into accessible attic spaces. Not only does this reduce fire hazards and keep out insects, but it will also reduce air flow through the roof.
13. Replace all regularly used lights with LEDs. LEDs use a tenth of the energy of halogen or incandescent bulbs, so will pay for themselves in just a few months (even less in places where free replacement is on offer). Replace less regularly used bulbs with LEDs as and when they burn out, and vow never to buy a non-LED bulb again.
14. Insulate your attic…. If you don’t have roof insulation, buy some. If you do, check it meets the recommended “R value” for your climate. Ensure all vertical attic surfaces (walls, skylight tunnels) are also insulated, and include a layer of aluminium in your attic space. Thermal imagingcan be used to identify existing flaws, such as gaps or sections of insulation inadvertently moved by tradespeople working in the attic.
15. …and your floors and walls too. In cooler Australian climate zones, floor and wall insulation can help keep heat in, making your home warmer and cheaper to operate.
16. Cover your windows from the inside… with drapes, curtains or blinds. This will keep in heat at night and on cold winter days, and keep out the sun in summer. Cheaper or do-it-yourself thermal window treatments such as plastic films or even bubble wrap can be applied in some situations (just don’t expect to win any design awards).
17. …and the outside. Trees, plants, external awnings, blinds or shade sails can all keep out the summer sun and stop windows getting hot. Remember that significant heat will reflect onto windows from sizzling decks, paved areas and walls (but not lawns). It’s better to keep out the sun in the first place rather than try to cool your house down.
18. Double glazing for windows cuts out noise, improves security and saves energy too. For many Australian climate zones, I recommend that homeowners never buy a window in future that isn’t double-glazed. Retrofit options options such as “secondary glazing” are also available.
19. Fit a pool cover if you have a swimming pool. Not only will this stop the water cooling down overnight in summer, but a cover can also minimise cleaning, chemical use and the running time for your filter pump. Consider upgrading to a more efficient pump if yours is more than a decade old, and ensure it does not run for more hours each day than required. 
20. Use reverse-cycle to heat your home…. If your home has reverse-cycle air conditioning (also known as a heat pump), this may be the cheapest way to heat, especially as gas prices rise. On heat mode, reverse-cycle units harvest free renewable ambient heat from the air outside your home and pump it up to the toasty temperature you need inside. Having installed high-efficiency reverse-cycle units, I can heat my own home for one-third of the cost of ducted gas heating.
21. …and your water. If your hot water system is nearing its use-by date, consider replacing it with a heat pump. This is an especially good option for homes that already have solar panels and low feed-in tariffs.
22. If you can eliminate all gas use in your home (for space heating, water heating and cooking), you can eliminate your gas bill with its nearly A$1 per day fixed supply charges.
<h2>And then there is solar…</h2>
In Australia these days, you won’t be paid much money for selling your electricity back to the grid. However, it might still pay to install solar if you can consume most of the energy yourself, by running your pool pumps, appliances, space heating and cooling devices, hot water system and even an electric car with solar electricity harvested during the day.
In future, as electricity storage batteries get cheaper, there may be even more economic reasons to have solar panels on your roof.
This article doesn’t list every possible behavioural trick or home improvement. Sadly, some homes will never be fantastic energy performers without significant modification. But hopefully there are a few things on this list that will work for you – even if it’s only a case of finally covering that drafty doorstep, or giving your creaking “beer fridge” a dignified retirement.
Tim Forcey is energy advisor, Melbourne Energy Institute, University of Melbourne and author for The Conversation. He can be contacted <a href="https://theconversation.com/profiles/tim-forcey-104740" target="_blank">here</a>.
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