Metropolitan AC technician with his van

Is It Safe to Have a Window Air Conditioner?

Ah, those hot summer months. We’re all looking for ways to keep our homes cool and comfortable. For many of us, that means turning to window air conditioners – practical and cost-effective solutions to beat the heat.

But how often do we stop to ponder window air conditioner safety?

Let’s take a closer look at the various aspects of owning a window air conditioning unit, touching upon the safety concerns and precautions to consider.

Pros and Cons of Window AC Units

When choosing cooling solutions for your home, it’s essential to consider the pros and cons of window air conditioning units.

Here, we will break down the various advantages and drawbacks of these popular appliances.

The Perks

Window air conditioners have their fair share of benefits:

  • Cost-Effective:

These units are generally more affordable to purchase and install compared to central air conditioning. This is particularly attractive to budget-conscious homeowners and renters.

  • Space-Saving:

Window units don’t take up any floor space, making them suitable for small rooms or living spaces that have limited square footage.

  • Energy-Saving:

By only cooling the room (or rooms) you need, window air conditioners can sometimes be a more energy-efficient option. This targeted approach to cooling can lead to reduced energy consumption and lower utility bills.

Window Air Conditioner safety 2

A Few Cons

Of course, no solution is perfect, and there are a few drawbacks to using window air conditioners:

  • Restricted to Window Installations:

Window units must be installed in a window, which can block out light and compromise views. This could be undesirable for some homeowners, especially those seeking an unobstructed vista or natural daylight.

  • Security Risk:

An open window can make it easy for burglars to enter. A window air conditioner installation may weaken the window frame, further compromising the security of your home.

  • Higher Maintenance:

These units often require more maintenance, such as regular filter cleaning and checking for refrigerant leaks. Such routine upkeep can be time-consuming and may even necessitate the occasional help of a professional technician.

Window Air Conditioner Safety Concerns

While the cool air offered by window air conditioning units can be a boon during the summer’s bursts of warm air, they come with several safety concerns that mustn’t be overlooked:

  1. The risk of falling: Securing a window air conditioner during installation can be tricky, particularly when it comes to the higher floors. Units that aren’t properly installed can fall, causing severe damage and potential injury to bystanders.
  2. Burglary risk: A window air conditioning unit can compromise the security of your home, not only by providing easy access to burglars but also by weakening the window frame.
  3. Extension cord perils: Many window AC unit owners make the mistake of using extension cords – a risky move, given that window air conditioners draw a significant amount of power. This practice can lead to overheating and, in the worst-case scenario, a fire.

Window Air Conditioner safety 2

Making Your Window Air Conditioner Safer

Knowing the potential safety risks can help you make informed decisions when it comes to window air conditioner safety.

By implementing some preventative measures and best practices, it’s possible to mitigate these risks and make your air conditioner more secure and efficient. Here are four crucial steps to consider.

  • Ensuring Professional Installation

The key to window air conditioner safety ultimately lies in proper installation. Hiring a professional to install your air conditioning unit can help alleviate some of the safety concerns, such as the risks associated with falling units and compromised window frames. Proper installation not only minimises the risk of accidents but also ensures that the unit is operating at its optimum level from the get-go.

  • Window Locks and Security Bars

This might seem like a minor add-on, but it’s a significant step forward in securing your home. A simple precaution like installing a window lock or security bar can significantly strengthen the security of your home while using a window air conditioner. Remember, the success of these interventions largely depends on their installation, so it’s advisable to involve professionals whenever possible.

  • Proper Maintenance

Taking care of your window AC units can go a long way in ensuring they serve you longer and more safely. Regular maintenance helps ensure optimal performance and safety. It’s crucial to clean the air filters, check for any refrigerant leaks, and keep watch for any deterioration in the window unit itself. Though maintaining your unit might seem like a chore, the benefits in terms of safety, efficiency, and longevity are well worth the effort.

  • Avoid Leaving Your Window AC on All the Time

With the desire for a cool home during those hot summer days, it may be tempting to keep your window air conditioner running 24/7. However, this practise can be more harmful than beneficial. It’s advisable to turn off the AC when not needed. This allows your AC unit to rest, promoting its longevity, promoting electricity conservation, and reducing the risk of overheating.

It’s all about balance: Keep your home cool, but give your air conditioner a break now and then.

The Verdict: Is It Safe?

If installed and maintained correctly, window air conditioners can be a relatively safe option for your home. Nevertheless, homeowners must remain vigilant about window air conditioner safety and take the necessary precautions to minimise risks.

By combining the expertise of trained professionals with essential safety measures, you can enjoy relief from summer heat while knowing that your home remains secure and comfortable.

Please note: This information is provided for advice purposes only. Regulations differ from state to state, so please consult your local authorities or an industry professional before proceeding with any work. See our Terms & Conditions here.

Published: 2023-12-07

Air Conditioning Specialists You Can Trust

Our Promise Going Further

Our specialists pride themselves with honest reliable services


Our fixed pricing structure guarantees transparency. You will always be quoted the complete costs before work can commence, and our expert technicians will guide you through the process.

Our specialists pride themselves with honest reliable services


Not all jobs are created equal, but all jobs are equally important. Whether it's a simple repair or ducted air conditioning install, we apply the same high levels of dedication and service no matter the scope of the work.

Professional Expert Technicians


Home is your castle. Your pride and joy. Our well-spoken technicians will show respect towards you and your property and always clean up after themselves.

Technician Zip Pay Payment Options Image
Technician Zip Pay Payment Options Image

Now Available!

Air Con finance options** with trusted pay later options

What Our Happy Customers Have to Say

Better service starts here

5 stars rating

I called them in the morning, and they were at my doorstep within a few hours. The technician was quick to identify the problem, had the necessary parts, and repaired my AC unit in no time.

Marion Minguillon - WA
5 stars rating

My AC was acting up, and I was worried about a hefty repair bill. However, the technicians quickly identified a minor issue, fixed it, and didn't overcharge me. I appreciate their honesty and expertise in troubleshooting the problem.

Sara Cribbs - VIC
5 stars rating

Thorough filter cleaning left no room for concerns, resulting in cleaner air and AC that requires less maintenance. Our home's air quality has improved dramatically, and we couldn't be happier with the outcome.

Lorenzo Rodriguez - SA
  • Mitsubishi Heavy Industries Air Conditioning Logo

    When looking for a leading supplier of wall mounted split systems, Mitsubishi Heavy Industries air conditioners offer reliable, high-quality heating and cooling perfect for Australian family homes.

  • Temperzone Air Conditioning Logo

    Temperzone is the award-winning global manufacturer of air conditioners and leaders in climate innovation with a wide range of systems suitable for Australian homes and commercial applications.

  • Bonaire Air Conditioning Logo

    Bonaire heating and cooling systems are economical, yet high performance. Their reliable air conditioners are manufactured in Adelaide and expertly designed to withstand year-round weather extremes.

  • ActronAir Air Conditioning Logo

    For incredible home comfort, you want ActronAir. Ducted systems or wall hung splits, ActronAir air conditioning has the best residential cooling solutions. You'll never complain about the heat again.

  • Rinnai Air Conditioning Logo

    Rinnai is a trusted household name in all things heating and cooling. From the Rinnai gas heater to inverter splits and reverse cycle ducted systems, there's a Rinnai solution for every Aussie house.

  • Samsung Air Conditioning Logo

    Samsung Air Conditioning is known for its reliability and performance. These efficient climate systems are as highly regarded as Samsung’s TVs, home appliances and popular Galaxy smartphones.

  • Brivis Air Conditioning Logo

    Brivis by Rinnai has been a titan in the air conditioning game for 50 years. With an impressive heating and cooling system range, the Brivis name goes hand in hand with quality and longevity.

  • Braemar Air Conditioning Logo

    Braemar has all your heating and cooling needs sorted. Evaporative cooling, ducted gas heating, space heaters, wall heaters, split systems and reverse cycle - Braemar has you covered year-round.

  • Carrier Air Conditioning Logo

    The Carrier air conditioning range is known for sustainability and affordable prices. As a leading Australian AC supplier, Carrier strives to improve the industry through innovative cooling solutions.

  • Breezair Air Conditioning Logo

    Are you after a market leader in evaporative cooling? You need Breezair. Breezair evaporative coolers are manufactured in Australia so you know you're getting cooling to stand the Aussie heat.

  • Kaden Air Conditioning Logo

    Simple solutions are the foundations of Kaden heating and cooling. Products like the Kaden split system are perfect for the ever changing Australian climate so you can always remain content at home.

  • Celair Air Conditioning Logo

    Celair is a leader in ducted evaporative air conditioning with over 40 years of experience behind them. Manufactured right here in Australia, Celair heating and cooling supports local Australians too.

  • NEC Air Air Conditioning Logo

    Beat the heat with a NEC split system. NEC has a heating and cooling solution that will keep you comfortable in all seasons. Experience superior energy efficient heating and cooling with NEC.

  • Coolair Air Conditioning Logo

    As an Australian owned and operated manufacturer, Coolair evaporative air conditioning makes a great high performance companion for anyone looking to escape the harsh heat of our great southern land.

  • Sanyo Air Conditioning Logo

    Sanyo air conditioning models were known for providing trusted AC performance. Although Sanyo no longer operates, Metropolitan can still offer expert 24/7 service to your existing Sanyo system.

  • Fujitsu Air Conditioning Logo

    Stay comfortable all summer long thanks to Fujitsu air conditioning. Fujitsu ducted air conditioning units are perfect for Aussie homes so when you need repairs or servicing, call Metropolitan.

  • Sharp Air Air Conditioning Logo

    With over 100 years in the industry, Japan’s Sharp Air Conditioning is known for luxury products. Sharp air cons provide convenient and effective cooling performance, to deliver year round comfort.

  • Hitachi Air Conditioning Logo

    Are you ready to discover the incredible range of Hitachi air conditioners? We’re talking split systems, wall mounted, ducted heating and cooling and more. So plenty of options for achieving comfort.

  • Stadt Air Conditioning Logo

    STADT air conditioning is synonymous with high quality Australian owned ducted heating and cooling. For any STADT air conditioning service and repair, we are your Australian experts.

  • Haier Air Conditioning Logo

    With over 30 years in the industry, Haier is known internationally for its energy efficient and smart heating and cooling solutions. Haier heating and cooling is just a tap away.

  • Vulcan Air Conditioning Logo

    When you're after a Vulcan air conditioning service, you want Metropolitan. We're experts in Vulcan climate control, providing repairs and servicing for air conditioners.

  • Kelvinator Air Air Conditioning Logo

    Australians have enjoyed Kelvinator's cooling reliability for over 80 years. Whether you have a Kelvinator window air conditioner or Kelvinator split system, Metropolitan is here to help 24/7.

  • York Air Air Conditioning Logo

    For optimal year-round comfort from your AC unit, York is the name to know. Distributed by Bonaire, York air conditioners Australia offer superior AC solutions perfect for our Australian climate.

  • Lennox Air Conditioning Logo

    Lennox is a globally recognised brand with a great range of energy-efficient HVAC systems. Choose a Lennox air conditioner when craving that desirable climate control and year-round comfort.

  • LG Air Conditioning Logo

    LG is a world leader in consumer electronics, and its air conditioners are no different. From smart split systems to energy efficient ducted air conditioning, LG air conditioning does it all.

  • Midea Air Conditioning Logo

    Midea is an Australian giant with an international reputation for quality split system air conditioning. You can also find portable coolers and window boxes among the Midea air conditioner range.

  • Mitsubishi Electric Air Conditioning Logo

    Mitsubishi Electric supplies premium residential air conditioners in Australia. Their sophisticated designs, including their sleek wall split system models, are built to offer long-term comfort.

  • Panasonic Air Conditioning Logo

    The latest and greatest Panasonic air conditioners go beyond heating and cooling with air purifying features for healthier breathing. Sounds good, doesn’t it?

  • Toshiba Air Conditioning Logo

    Toshiba air conditioning makes use of innovative DC Hybrid Inverter technology which automatically provides high capacity heating and cooling when necessary and minimises running costs when it’s not.

  • TECO Air Conditioning Logo

    TECO has been heating and cooling Australian homes for over 30 years. With split systems, multi splits, window/wall air conditioners and ducted air conditioning, TECO has the whole home covered.

Metropolitan Air Conditioning Service Reviews Metropolitan Air Conditioning Service Reviews