Sydney may hold the dubious honour of being the world’s second most expensive housing market, outpriced only by perennial leader Hong Kong, but its appetite for prestige property shows no sign of slowing. At the heart of it all sits Sydney Harbour, where waterfront apartments command eye-watering prices that show few signs of slowing.

According to Westpac’s August Prestige Market Overview, the city’s luxury sector continues to outperform expectations, with top-end values rising 6.2 per cent across 2024. Over the past decade, prices for Australia’s most exclusive apartments have surged more than 40 per cent, while available listings remain nearly 20 per cent below pre-pandemic levels, data from Cotality reveals.

Much of Sydney’s recent luxury boom has centred on Circular Quay and Barangaroo, two glittering precincts now home to some of the country’s most expensive real estate. Yet one of the city’s most iconic waterfronts has, until now, remained surprisingly underdeveloped: Darling Harbour.

Long known as a playground for tourists and locals, Darling Harbour has never truly offered the chance to live there, until now. Recognising the untapped potential of this prime harbourfront, development powerhouse Mirvac has taken the lead in reimagining the precinct. The company is at the centre of a wider $15 billion revitalisation that will elevate Darling Harbour’s prestige to rival its glamorous neighbours.

At the heart of the transformation is Harbourside Residences, a $2 billion glass tower rising from the redeveloped Harbourside Shopping Centre. The project brings together an international design collaboration between Norwegian architecture firm Snøhetta and Australian practice Hassell, with interiors by Bates Smart. The tower will house 260 residences, with the yet-to-be-released penthouse collection, six sub-penthouses and three full-floor penthouses, expected to rank among Australia’s most exclusive homes.

[smartcode_project:default project_id=141327 project_image_fid=352378]

Buyers have already responded in force. The project’s first apartment release late last year became the most successful launch in Mirvac’s 54-year history, recording more than $700 million in sales in just one weekend, with more than $800m total pre-sales to date. Prices ranged from $1.7 million to $25 million, with more than 40 per cent of purchasers being repeat Mirvac buyers, a testament to the developer’s reputation for quality and delivery.

Mirvac has now unveiled the tower’s most coveted homes: a collection of three- and four-bedroom residences positioned across the upper levels of the 48-storey building. From this vantage point on the western edge of Sydney Harbour, residents will enjoy a striking and rarely seen perspective of both the city skyline and the water.

[smartcode_project:default project_id=141327 project_image_fid=352369]

Inside, luxury extends far beyond the apartments themselves. Harbourside Residences will feature wellness amenities on par with a five-star resort, including a traditional sauna, steam room, ice bath, indoor lap pool, gymnasium, and yoga and pilates studio. Private leisure spaces cater to the growing desire for exclusive community living, with a residents’ lounge, private dining rooms with commercial and show kitchens, a cinema room, and even a golf simulator.

Outdoors, the experience is just as impressive. Landscaped garden terraces frame a lagoon-style pool that looks directly across the harbour, offering some of the most intimate city views anywhere in Sydney.

[smartcode_project:default project_id=141327 project_image_fid=352372]

Construction of Harbourside Residences is well underway. Mirvac, which designs, builds, and delivers its own projects, a model that reduces risk and ensures consistency, expects completion in late 2027. When finished, it will not only redefine Darling Harbour living but reshape Sydney’s skyline once again.

[smartcode_project_cta:default project_id=141327]

Joel Robinson

Sydney’s next great waterfront: Darling Harbour steps into the spotlight

Boutique development and construction firm <a href="https://www.apartments.com.au/developers/hsn-property-group">HSN Property Group</a> is the latest to seek a new apartment development through the NSW Government's&nbsp;Housing Delivery Authority.

They've filed a State Significant Development Application for a nine-storey building across nine consolidated lots on <a href="https://www.apartments.com.au/new-apartments/2-16-spencer-street-rose-bay-nsw-2029">Rose Bay's Spencer Street</a>, just 400m from the centre of the affluent suburb.

“The site’s location and context make it well suited to support a more diverse and sustainable residential offering in the area,” the developer stated in community consultation materials.

The plans are for 54 apartments, 14 of which will be dedicated to affordable housing. There will be a mix of two- and three-bedroom apartments.

The proposal aims to contribute to housing diversity in the Woollahra Local Government Area while taking advantage of recent Low and Mid-Rise Housing Reforms introduced under the NSW Housing SEPP, according to the Scoping Report prepared by Urbis.

The architecture, led by <a href="https://www.apartments.com.au/architects/mhn-design-union">MHNDU</a>, reflects a "contemporary design approach sensitive to the character of Rose Bay." Communal amenities will include a wellness area with a pool and sauna, a gym, a wine lounge, and landscaped spaces with barbecue facilities.&nbsp;

“The proposed development will offer a suite of premium communal amenities designed to enhance resident wellbeing, foster social connection, and promote a healthy lifestyle,” the project team notes in its public materials.

Three levels of basement parking are planned, and EV charging facilities will be included, aligning with sustainability and transport objectives. A comprehensive traffic study is underway to assess and manage local impacts.

With 54 apartments, the proposal by HSN will be one of the largest developments in Rose Bay for decades. It tops the 50 apartments soon to launch by Orosi on <a href="https://www.apartments.com.au/new-apartments/the-avenue-rose-bay-1-the-avenue-nsw-2029">The Avenue</a>, near the Royal Sydney Golf Club.&nbsp;

First look: HSN plans Spencer St, Rose Bay apartment project

Lendlease’s Barangaroo South precinct is officially complete, marking the culmination of a 15-year urban regeneration project that has revitalised Sydney’s harbourfront.&nbsp;

In 2009, the NSW Government’s Barangaroo Delivery Authority appointed <a href="https://www.apartments.com.au/developers/lendlease-development">Lendlease</a> as developer to transform what was once an inaccessible container port on the western edge &nbsp;of Sydney’s CBD into one of the city’s most thriving mixed-use destinations. Today, Barangaroo South is home to more than 1,800 residents, 23,000 workers, 95 retailers and welcomes 33,000 visitors each day. The precinct stands as an international benchmark for large-scale urban regeneration.&nbsp;

International Towers Sydney, the three flagship commercial buildings at the centre of &nbsp;Barangaroo South, together with engineered timber buildings Daramu House and &nbsp;International House, attracted major corporate tenants from the outset, including Westpac, &nbsp;PwC and KPMG, who are still there today. These workplaces remain some of the most &nbsp;sought after in Sydney’s CBD with over 95 per cent occupancy– a testament to the appeal of world-class, modern infrastructure alongside the precinct’s dining and entertainment that &nbsp;are a drawcard for businesses.&nbsp;

One Sydney Harbour, the three luxury residential towers designed by world-renowned architect Renzo Piano, has achieved more than $4 billion in sales since its launch in 2019, while setting new Australia property price records. This includes the three-level penthouse that crowns Residences One which sold for more than $141 million in 2019 – the most expensive individual residential property ever sold in Australia. &nbsp;

[smartcode_project:default project_id=139801 project_image_fid=349150]

Barangaroo South is also Australia’s first mixed-use carbon-neutral development, an accolade achieved through energy-efficient and innovative infrastructure, including a district cooling plant with a harbour water heat rejection system, a recycled water &nbsp;treatment plant, onsite solar and an embedded electricity network.

The precinct has maintained its Climate Active Carbon Neutral certification since 2019, affirming its &nbsp;reputation as the gold standard in large scale, sustainable urban renewal. Additionally, its &nbsp;world leadership status has been validated by the Green Building Council of Australia’s &nbsp;6 Star Green Star Communities recertification (Pilot v.2).

[smartcode_project:default project_id=139801 project_image_fid=349157]

First Nations cultural values were embedded throughout the planning and delivery of the project. The precinct honours Barangaroo, a prominent First Nations woman, through its &nbsp;name. Public art, street names, and design elements across the precinct reflect and &nbsp;celebrate First Nations cultures and connections to Country.&nbsp;

The project's completion positions Barangaroo South as a legacy urban transformation delivered through long-term partnerships and world-leading urban regeneration and placemaking capabilities. &nbsp;

[smartcode_project:default project_id=139801 project_image_fid=349154]

Tony Lombardo, Group CEO Lendlease, said&nbsp;Barangaroo South represents one of the most significant urban regeneration projects in Australia.

"[It] demonstrates what can be achieved through an ambitious vision, innovative placemaking, long-term commitment and strong partnerships. The precinct has changed the face of Sydney's waterfront, established new benchmarks &nbsp;for sustainable development, and provided a model for urban regeneration that continues &nbsp;to inform our approach to creating places that deliver long-lasting value.”&nbsp;

Tom Mackellar, CEO Development Lendlease, said&nbsp;Barangaroo South has reconnected the city to its harbour in a way that seemed unimaginable 15 years ago and turned it into a thriving precinct where people can live, work and gather on the harbour’s edge.&nbsp;

“This precinct is the result of countless contributions, led by the NSW Government who set the ambition, supported by investment partners who believed in Lendlease’s vision, imagined by architects and designers, shaped by consultants and artists, and brought to &nbsp;life by our dedicated construction teams. &nbsp;

“What we’ve created here is more than buildings – it’s the best of placemaking, sustainability, arts and culture and quality design. Barangaroo South has become an integral part of Sydney that will serve our city and economy for generations.”

Staff Writer

Barangaroo South’s 15-year transformation of  Sydney’s waterfront officially complete

CBE Asia Pacific has lodged plans for a prominent corner site in Fitzroy North, with a proposal that integrates state-significant affordable housing alongside heritage adaptation and new retail.

The application covers a consolidated 2,024 sqm parcel at 201–215 Queens Parade and 6–12 Dummett Crescent. The site includes the heritage-listed Former Clifton Motor Hill Garage, fronting Queens Parade, and vacant land to the rear abutting Dummett Crescent.

According to planning documents prepared by proUrban, the proposal seeks approval for a 12-storey residential building comprising 98 apartments, including a component of affordable housing, over a ground floor retail podium integrated within the heritage structure. Approximately 780 sqm of retail space will occupy the ground floor, while residents will have access to over 850 sqm of communal amenity.

The built form presents as two connected volumes: a 12-storey tower addressing Dummett Crescent and a five-storey volume fronting Queens Parade, the latter consistent with a separate Heritage Victoria permit granted in 2023. The tower reaches a maximum height of 38.26 metres, with upper-level setbacks of 14 metres from the western boundary to reduce visual bulk. A 1.5-metre footpath widening is proposed to Dummett Crescent Lane.

Parking is provided across four basement levels, accessed via Dummett Crescent, with a total of 142 car spaces and 143 bicycle spaces.

The architectural response by <a href="https://www.apartments.com.au/architects/cht-architects">CHT Architects</a> is framed by a need to reconcile new density with a sensitive heritage overlay. The Former Clifton Motor Hill Garage, identified as a place of State heritage significance, will retain its key façades, with demolition and reconstruction limited to approved elements.

As noted in the Heritage Impact Assessment, the proposal remains consistent with the Heritage Victoria permit, which allows "partial demolition, reconstruction and new works, involving the construction of a five-storey multi-use development and three basement levels".

Affordable housing has been embedded into the proposal under Clause 53.23, with specific apartment allocations aimed at enhancing housing diversity within the Queens Parade Activity Centre.

"The proposal is generally consistent with the relevant policy objectives and the intent of the Yarra Planning Scheme," proUrban states in its planning assessment, citing its alignment with strategic documents including Plan Melbourne and Victoria’s Housing Statement.

CHT Architects' plans emphasise a tiered design that acknowledges the site's varied interfaces—from the elevated Heidelberg Road ramp reserve to the recently built Clifton Views aged care facility to the north-east.

CBE Asia Pacific has not been previously active in this precinct, but the project joins a wave of higher-density residential proposals along the Queens Parade corridor, spurred by Melbourne’s broader push to increase affordable housing in well-connected inner-urban areas.

The site benefits from direct access to the Queens Parade tram corridor and proximity to Clifton Hill Station (approximately 200 metres), as well as green open spaces including Mayors Park and Raines Reserve. Clifton Hill Primary School and the Queens Parade retail village lie within walking distance.

First look: CBE Asia Pacific plans 100-apartment Jenkin House on Queens Parade, Fitzroy North

ALT Pasta, one of Melbourne’s most beloved inner-city pasta bars, has been confirmed as one of the first tenancies for the highly anticipated <a href="https://www.apartments.com.au/new-apartments/comme-prahran-182-194-commercial-road-prahran-vic-3181">Comme Prahran</a> development, marking an exciting next chapter for the cult favourite as it prepares to expand into the heart of <a href="https://www.apartments.com.au/developments/prahran-vic-3181">Prahran</a>.

Fresh off being named National Best Italian Restaurant at the 2025 Restaurant &amp; Catering Hostplus Awards for Excellence, ALT continues to solidify its reputation as a quietly confident leader in Melbourne’s dining scene. Lauded for its reinterpretation of Italian pasta through a Korean and Japanese lens, the restaurant has grown into a staple since opening three years ago, and its new Prahran outpost will only deepen its local impact.

“From the very beginning, ALT has been about respect - for tradition, for ingredients, and for the process,” shares Mino Han, ALT’s founder, a Korean-Australian chef whose vision is shaped by cultural duality and craftsmanship.&nbsp;

“We’re not trying to reinvent the wheel, just make something beautifully familiar, feel quietly special,” added Han.

[smartcode_project:default project_id=108413 project_image_fid=353585]

Positioned at the entrance to Comme Prahran and directly opposite the iconic Prahran Market, the new venue will celebrate the interplay between casual comfort and elevated detail. Designed in collaboration with Rooftop Architecture, the same team behind ALT’s flagship city location, the space will mirror the neighbourhood’s laid-back energy while staying true to the brand’s understated refinement.

Diners can expect a frequently changing menu that takes advantage of the market’s daily produce, along with set menu offerings exclusive to this location. A distinctive chef’s table and open kitchen format are also in the works, allowing guests to experience ALT’s signature intimacy and transparency in a new light.

ALT Prahran won’t replace the original venue; rather, it complements it.

“Our city site is like our heritage bottle; it’ll age gracefully. Prahran is where we’ll play, explore new ingredients, and bring something special to the community,” Mino notes.

[smartcode_project:default project_id=108413 project_image_fid=353584]

For Comme Prahran, a boutique development by Leeka that blends heritage with multi-dimensional wellness, ALT Pasta’s arrival signals a meaningful addition to its vision of cultural connection, food-first living, and local engagement.

“Being part of Comme is more than just opening a second venue. It’s about contributing to a neighbourhood with character, history, and a strong sense of community. That’s something we deeply relate to,” says Mino.

Sustainability and cultural identity are deeply embedded in the ethos of ALT. From ingredient sourcing to interior design, the new location will reflect both environmental mindfulness and a spirit of inclusion, embodying the values of Melbourne’s diverse, forward-thinking culinary scene.

Comme Prahran is scheduled for completion in late 2027, with ALT Pasta expected to be among the first tenancies to open its doors shortly after.

[smartcode_project_cta:default project_id=108413]

National best Italian restaurant ALT Pasta to open at Comme Prahran, bringing refined familiarity to Melbourne’s culinary heart

National BEST Italian restaurant ALT Pasta to open at Comme Prahran

Air Conditioning

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EXPERT OBSERVERS
 
It might be blisteringly hot outside, but if you work in an office building, the chances are it’s always reassuringly cool (or cold, depending on your preference) once you walk inside.
In Australia and much of the rest of the world, it’s become standard practice for offices to be cooled or heated to a uniform 22℃. In many Australian offices, this temperature is even officially enshrined in <a href="https://www.propertyobserver.com.au/https://www.emeraldinsight.com/doi/full/10.1108/17561451211211714" target="_blank">commercial tenancy agreements</a>.
And yet temperature is routinely one of the sore points of office politics – many office workers constantly feel too hot or cold at work. Of course, that might simply be because the air conditioning doesn’t work very well where you work. But it’s also reasonable to ask whether 22℃ is really such a magic number after all.
Our review of the available research, <a href="https://www.sciencedirect.com/science/article/pii/S0306261918318233" target="_blank">published recently in the journal Applied Energy</a>, suggests not.
The air conditioning industries certainly view 22℃ as the magic number, judging by guidelines published by the <a href="https://www.rehva.eu/fileadmin/Promotional_material/PPTs/Nr_6_Indoor_Climate_and_Productivity_in_Offices.pdf" target="_blank">European</a> and <a href="https://www.ashrae.org/technical-resources/ashrae-handbook/description-2017-ashrae-handbook-fundamentals" target="_blank">US</a> industry peak bodies. Both claim that office workers’ cognitive performance at different temperatures follows an “inverted U” shaped curve, which <a href="https://indoor.lbl.gov/publications/room-temperature-and-productivity" target="_blank">peaks at 22℃</a>.
<img src="https://images.theconversation.com/files/261648/original/file-20190301-110150-ggyjuv.png?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip" alt="">Inverted-U function between temperature and cognitive performance. CREDIT
This explains why 22℃ has prevailed as the chosen figure all over the world, regardless of <a href="https://www.sciencedirect.com/science/article/pii/S0378778815302632" target="_blank">how much it might cost</a> to heat or cool work spaces to that temperature in different climates. In the heat of an Australian summer this typically involves lots of cooling, but the view is that the prodigious output of comfortably cool workers more than justifies the electricity bill.
But are things really as simple as the graph above would have us believe? To answer that question, we critically reviewed almost 300 studies from a wide range of disciplines including physiology, psychology, ergonomics, neuroscience, sports science, human-technology interaction, and more.
We concluded that the relationship between temperature and performance is not an “inverted U” but rather an “<a href="https://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=1023&amp;context=jhpee" target="_blank">extended U</a>”. The evidence in fact suggests that human performance remains relatively stable across a broad range of acceptable temperatures, but then rapidly deteriorates once it gets any hotter or colder than this. The boundaries of the acceptable ranges depend on a lot of factors, such as the type of task you are doing, how demanding the task is, how adverse the temperature is, how skilled and motivated you are in doing your task, to name just a few. Our previous research found that workers <a href="https://theconversation.com/chill-out-a-slightly-warmer-office-wont-make-it-too-hot-to-think-93789" target="_blank">perform just the same at 25℃</a>, for instance.
<a href="https://images.theconversation.com/files/261600/original/file-20190301-22837-ii9h2v.png?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=1000&amp;fit=clip"><img src="https://images.theconversation.com/files/261600/original/file-20190301-22837-ii9h2v.png?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip" alt=""></a> Extended-U relationship between temperature and cognitive performance. CREDIT, Author provided
This is because humans are not just simple, passive machines. We can adapt in all sorts of ways to moderate levels of thermal stress. Common ways of <a href="https://www.sciencedirect.com/science/article/pii/S0378778897000534" target="_blank">adaptation</a> include behavioural adjustment, physiological acclimatisation, psychological habituation, and probably most important of all, expectation adjustment.
So it turns out that our brains can still be at their sharpest even if it’s not exactly 22℃. But that’s not the only reason why the magic temperature is a myth. The existing rationale conflates “cognitive performance” with “office productivity”, when in reality these are two very different things.
“Performance” is a person’s ability to produce “goal-directed activity”. In performance science, a job or task is often broken down into different performance components, such as memory, concentration, logical thinking, executive function and so on. “<a href="http://soh.iums.ac.ir/uploads/0415237920_95689.pdf" target="_blank">Productivity</a>” is the extent to which an organisation is progressing towards its systemic goals, whether that be the amount of products they sell in a year, or the number of customers served within a specific period of time and how satisfied those customers are with the quality of service they received.
But there is no standard way to <a href="https://www.propertyobserver.com.au/https://www.emeraldinsight.com/doi/abs/10.1108/14630010710845730" target="_blank">quantify office productivity</a>. The common practice is to use performance measures as a proxy for overall productivity, but this is problematic for several reasons.
The first is that simulated performance tasks do not accurately represent the nature of real work carried out in actual workplaces. Standard cognitive tasks testing your memory, concentration and vigilance performance might not faithfully capture your ability to generate useful contribution towards achieving your company’s goals.
Second, productivity can also depend on many factors besides workers’ ability to perform. These might include workplace culture, organisational structure, job security and satisfaction, workload, management style, and personal factors such as injury, loss of sleep, life events, health and well-being, or financial stress. Distracted, disgruntled or worried workers aren’t going to be very productive, regardless of what the office temperature will be.
There are practical implications to this. Office managers might be wasting money chasing the “best” temperature for maximum productivity while ignoring other factors that have a much larger bearing on it.
An air-conditioning setpoint which is closer to the outdoor weather, aided by <a href="https://www.sciencedirect.com/science/article/pii/S0360132309000547" target="_blank">Personal Comfort Systems</a> (like a desk fan, or contact cooling/heating device) may <a href="https://www.sciencedirect.com/science/article/pii/S0306261915016888" target="_blank">save energy bills</a> while maintaining high levels of workplace satisfaction and mental performance.<img src="https://counter.theconversation.com/content/111823/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important; text-shadow: none !important;">
<a href="https://theconversation.com/profiles/fan-zhang-455627" target="_blank">Fan Zhang</a>, Lecturer in Architectural Science, <a href="http://theconversation.com/institutions/griffith-university-828" target="_blank">Griffith University</a>; <a href="https://theconversation.com/profiles/peter-hancock-428234" target="_blank">Peter Hancock</a>, Professor of Psychology, Civil and Environmental Engineering, and Industrial Engineering and Management Systems, <a href="http://theconversation.com/institutions/university-of-central-florida-1925" target="_blank">University of Central Florida</a>, and <a href="https://theconversation.com/profiles/richard-de-dear-12933" target="_blank">Richard de Dear</a>, Director, Indoor Environmental Quality Laboratory, <a href="http://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>
This article is republished from <a href="http://theconversation.com" target="_blank">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/why-the-perfect-office-temperature-is-a-myth-111823" target="_blank">original article</a>.
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jrobinson-rf4aSBido9

Why the 'perfect' office temperature is a myth

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Air-conditioning giant Daikin has secured two new industrial trade centres, in Brisbane and the Gold Coast, just before the onset of the summer season.
Daikin had tasked Savills to assist with finding suitable facilities.
The deals were negotiated by Savills’ Shaw Harrison and Callum Stenson.
Both of the new Daikin stores open this month, with the Brisbane store located at 1/210 Robinson Road in Geebung totalling 710 sqm, and the Gold Coast store located at 26 Lawrence Drive in Nerang totalling 809 sqm. 
It will pay a combined rental of $263,750 per annum.
Daikin has committed to a three-year lease on both properties.
“While Daikin were particularly specific with their requirements we identified well over 20 suitable locations after conducting an extensive market search,” Harrison said.
The Geebung property was vacant prior to Daikin signing the lease, and the property owner assisted with renovating the building to suit Daikin’s showroom fit-out requirements. 
“The main road frontage along Robinson Road was exactly what they were seeking for their Brisbane display centre, with other trade-based industry users also located along this busy strip,” Harrison said.
The newly constructed Nerang facility in the Gold Coast was being marketed by GC Commercial after the previous tenant was involved in a major fire which required the building to be completely rebuilt. 
 
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jonathanchancellor-7SQnKwU6yx

Daikin sets up new offices in Brisbane and Gold Coast ahead of summer

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<img src="https://counter.theconversation.edu.au/content/69410/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1">
GUEST OBSERVER
As the weather heats up, Australian households won’t just be cranking up the air conditioning for themselves. Some households will be turning it on for their dogs or cats. 
Our research on energy demand and household cooling highlights a recent trend towards air-conditioning rooms or homes for pets. As well as cooling homes occupied by both humans and their furry friends, air conditioners may be left on when dogs or cats are home alone. 
Some pet owners also leave doors and windows open for their dogs and cats to move between indoor and outdoor areas. This means that air conditioners have to work harder and use more energy to maintain indoor temperatures.
Our research is consistent with an emerging international trend towards the “humanisation of pets”, which is contributing to energy use in households. 
A 2013 study released by E.ON UK (a UK power company) on “hot-dogs and thermo-cats” found that more than half (52%) of UK pet owners turn up the heating for their pets when they go out. Some UK households also leave radios or televisions on for pets so that they don’t get lonely when their owners leave the home.
In other areas of everyday life, cats and dogs now play iPad games, eat specialised diets, have heated mats or air-conditioned kennels, and have their own fashion accessories and electronic toys.
The energy impacts of home cooling
On average across Australia, heating and cooling make up 40 percent of our energy use in households, not including hot water. 
Most Australians who live in southern states use cooling in their homes sporadically, turning it on during hot summer afternoons and evenings when they get home from work or other activities. The rapid growth in residential air conditioning for this purpose has been one of the main contributors to Australia’s peak electricity demand, which has increased energy bills.
Trends in pet cooling could change the energy demand for cooling in homes. Australia has one of the highest rates of pet ownership in the world, with 63% of households keeping an animal as a pet. 
According to a 2013 report by the Animal Health Alliance, there are 4.2 million pet dogs and 3.3 million pet cats in Australia. Of these, 76% of dogs and 92% of cats are kept exclusively or partly indoors. 
Providing air conditioning for pets during the day when people aren’t at home would raise residential energy demand. It could also extend and possibly increase electricity peaks if more areas of the property (such as kennels or garages) are being cooled for a longer time.
What makes pets hot?
Although cats and dogs differ in their physiology, in general older, sick or overweight pets may be less resilient to the heat. Some breeds may also be more vulnerable than others. 
For example, short-snout dog breeds (Bulldogs, Pekes and Pugs) are more likely to suffer from heatstroke. This also applies to short-faced cats like Persians or exotics. 
Many things can exacerbate heat stress for pets. For example, people living in apartments may find it more difficult to provide cool outdoor spaces for dogs, or to engage in “waterplay”, as recommended by Pets Australia.
How to keep pets cool
Advice on how to keep pets cool varies and is different for cats and dogs. Pets Australia recommends providing cool spaces such as shade, cold tiles or digging holes in the soil. Other examples include giving dogs cool treats like frozen meat, providing lots of water for hydration and stopping exercise. 
Some websites recommend keeping pets inside on hot days, preferably with an air conditioner or fan turned on. Other sites recommend cooling mats or vests such as gel pads, which can be refrigerated or frozen prior to use. 
Murdoch University provides advice on how to recognise heatstroke warning signs, and what to do if you suspect your pet is suffering from heatstroke. The growing market for pet cameras is one way to keep an eye on pets while owners are out of the house. 
What needs to be done?
As climate change continues to increase the severity and duration of heat waves, the incidence of heatstroke in pets is likely to increase too. This applies especially to those living in energy-inefficient housing or with access to poor-quality outdoor environments. 
There is a clear need to seriously consider pet cooling in the design of energy-efficient housing and in energy policy that targets households.
It may also be timely to reconsider pet types and breeds appropriate for the Australian climate. Siberian huskies, for example, prefer cooler climates and may be more likely to suffer from heatstroke than breeds with smooth or short coats.
More research is also needed to understand how Australian households are changing the ways they keep their pets cool, and what can be done to reduce heat stress in pets without increasing energy demand or electricity peaks in homes.
In the meantime there is a range of advice on how to keep pets cool. Many creative solutions are available that don’t require leaving the air conditioner running.
Yolande 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>.
Cecily Maller is vice chancellor's senior research fellow, Centre for Urban Research, RMIT University and can be contacted <a href="https://theconversation.com/profiles/cecily-maller-15732" 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>.
All are authors for The Conversation.
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jchancellor-FAypfDUnLy

Hot dogs and cool cats: keeping pets cool without blowing your energy bill

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GUEST OBSERVER
Governments and private companies could save millions of dollars and drastically reduce their carbon footprint with a simple adjustment to the way they use air conditioning.
Air conditioning systems were generally fixed at what is considered to be an optimal 22 degrees based on an arbitrary standard which took no account of outside temperatures and employee comfort levels. It turns out that we heat and cool the built environment to a fixed 22 degrees. Why? Because it is the thermal comfort level of a forty four year old man which was determined by the Americans in the 1950s. I kid you not. This is an arbitrary point that makes little sense and which costs governments and industry millions of dollars a year to say nothing of the impact on the environment. In 2008 the United Nations, as a publicity stunt at its New York headquarters, adopted a temperature range of 19-25 degrees. A month later the UN estimated the savings at one hundred thousand US dollars. In Australia some 40 percent of our energy is consumed in the built environment and a large amount of that energy is used in heating and cooling. The question is why wouldn’t you adopt some flexibility with regard to your air-con temperature settings? If we did this in Australia in office buildings and shopping centres, it would save a hundred million dollars and three hundred thousand tonnes of carbon emissions per year and it would not cost a cent. Now let’s run that out through all the other property in the country including residential and then run that out around the world and we are talking billions of dollars and millions of tonnes every year. Irrespective of the dollar savings, it was incumbent upon governments and industry to make that adjustment as part of their social responsibility.
For more information, <a href="https://www.savills.com.au/research/australian-research/life-out-of-balance.aspx" target="_blank">click here</a>.
Tony Crabb is national head of research, Savills Australia and can be contacted <a href="https://www.savills.com.au" target="_blank">here</a>.
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Air conditioning at 19 to 25 degrees would save millions of dollars: Tony Crabb

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Governments and private companies could save millions of dollars and drastically reduce their carbon footprint with a simple adjustment to the way they use air-conditioning, according to new research by Savills. 
In a presentation posted to the online knowledge clearinghouse TED (Technology, Entertainment and Design), Savills Australia’s national head of Research, Tony Crabb, said air conditioning systems were generally fixed at what is considered to be an optimal 22 degrees based on an arbitrary standard which took no account of outside temperatures and employee comfort levels.
"It turns out that we heat and cool the built environment to a fixed 22 degrees. Why? Because it is the thermal comfort level of a 44-year-old-man which was determined by the Americans in the 1950s. I kid you not," he said.
"This is an arbitrary point that makes little sense and which costs governments and industry millions of dollars a year to say nothing of the impact on the environment.’’
By way of an example, Crabb said that in 2008 the United Nations, as a publicity stunt at its New York headquarters, adopted a temperature range of 19-25 degrees. A month later the UN estimated the savings at US$100,000.
"In Australia, some 40 per cent of our energy is consumed in the built environment and a large amount of that energy is used in heating and cooling. The question is why wouldn’t you adopt some flexibility with regard to your air-con temperature settings?
"If we did this in Australia in office buildings and shopping centres it would save a hundred million dollars and three hundred thousand tonnes of carbon emissions a year and it would not cost a cent. 
"Now let’s run that out through all the other property in the country including residential and then run that out around the world and we are talking billions of dollars and millions of tonnes every year,’’ Crabb said. 
Irrespective of the dollar savings, he said governments and industry should make the effort to adjust the air-conditioning as part of their social responsibility.
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