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Couple discussing air conditioning options at a dining table beneath a mounted unit.

What is Reverse Cycle Air Conditioning?


June 23, 2025


Does this situation sound familiar? Cranking up the heater in winter only to watch your power bill skyrocket, then dragging out fans and portable coolers when summer hits. If you’re tired of juggling different appliances and pondering, “What is reverse cycle air conditioning exactly?” and “What could it do for my home?”, you’ve come to the right place.

Here’s the thing: reverse cycle air conditioning is basically the Swiss Army knife of home comfort. One unit that heats your place in winter and keeps it cool in summer. No more storage shed full of seasonal appliances.

What You Need to Know About Reverse Cycle Air Conditioning

So, what is reverse cycle air conditioning? It’s a clever cycle system that grabs heat from outside air and brings it indoors when it’s cold. When it’s hot, it flips functions and moves heat from inside to outside. These things work even when it’s freezing cold, down to minus 10-15 degrees, which is a chilly temp we don’t even have to worry about in our area. Plus, more importantly, they’ll keep working through our scorching summers too, right up to 40-45 degrees.

How the Magic Happens

Think of it like this: during the cold months when you want to warm a room, the A/C will pump refrigerant from the unit’s compressor to an internal coil at a high pressure, which produces heat. The refrigerant also passes through the air con’s external coil, expelling cold air it picked up at the internal coil.

In summer, and other times when you want to cool your property, reverse cycle air conditioning becomes a heat bouncer instead. The process is reversed, as the name suggests, and the role of the two coils works differently, reversing the flow of the refrigerant.

Reverse cycle air conditioning actually works in a similar way to our fridges, by using internal and external coils that are connected by piping that’s filled with refrigerant.

Technician removing dirty filter from wall-mounted AC unit.

Why So Many People Make the Switch to Reverse Cycle

Your Wallet Will Thank You

These systems sip power compared to old-school heaters and coolers. We’re talking about efficiency that equals using sometimes up to a third less electricity than what you might be running now. With power prices continually going up these days, that means real money staying in your pocket.

Built for Our Crazy Weather

Australia throws everything at us weather-wise, and reverse cycle systems handle it all. Chilly mornings that turn into 30-degree afternoons? No worries. Your system adapts faster than you can change clothes.

Breathe Easier

As a bonus, these units also clean your air while they work. They catch dust, pollen, and other nasties that float around your home. If someone in your family has asthma or allergies, this alone might make the switch worthwhile.

Getting It Right

Here’s where a lot of people stumble. You can’t just buy any old unit and expect miracles. Size matters, placement matters, and installation definitely matters. A good technician will look at your home properly and work out exactly what you need for your residential air conditioning to do the trick.

Once it’s installed, you also need to keep up with basic maintenance. Clean filters, annual check-ups – the usual stuff that keeps things humming along nicely. To keep your unit(s) running well, don’t skimp on this side of things as time goes on.

Woman operating air conditioner via remote on a couch.

Ready to Make the Change?

Live in Gympie or anywhere around the Wide Bay and South Burnett? At TSR, we know this area inside and out. Whether your current system needs a tune-up or you’re ready to upgrade to reverse cycle air con, we’ll sort you out with honest advice and quality work. Give our friendly team a ring today and let’s get your home comfortable all year round.


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