
7 Essential Tips to Prepare Your Air Conditioning for Winter Heating
With winter now here, staying warm and comfortable becomes a top priority—and that starts with making sure your air conditioning system is ready to handle the colder months efficiently. A well-maintained reverse-cycle air conditioner can deliver reliable, cost-effective heating throughout the season.
To help you get the most out of your system, here are seven essential winter heating tips to boost performance, improve energy efficiency, and keep your home cosy all season long.
1. Clean or Replace Filters
One of the simplest yet most important maintenance tasks is checking your filters. Over time, dust and debris build up, restricting airflow and forcing your system to work harder than necessary. This not only reduces efficiency but can also increase energy bills and strain your unit.
Tip: Inspect your filters every month during peak use. Clean reusable filters with mild detergent and water, or replace disposable ones as recommended—usually every 1 to 3 months.


2. Clear the Outdoor Unit Area
During winter, your outdoor unit is still working hard—especially in a reverse-cycle system. Ensuring it has adequate airflow is key to preventing overheating and performance issues. Leaves, overgrown plants, and clutter around the unit can block airflow and lead to system inefficiencies.
Note: It’s completely normal to see water around your outdoor unit during heating. This is part of the defrost cycle and is no cause for concern.
3. Check for Air Leaks in Your Home
Even the most efficient air conditioner can struggle to keep up if warm air is escaping through gaps and cracks. Common culprits include window frames, door seals, and floorboards.
Tip: Use draft stoppers, sealant, or weather stripping to block leaks. You can also try a “candle test”: hold a candle near windows or doors—if the flame flickers, you’ve likely found a draft.
4. Set an Efficient Temperature
It can be tempting to crank up the heat when it’s cold outside, but setting your thermostat too high can lead to skyrocketing energy bills. The sweet spot for both comfort and efficiency is typically between18°C and 20°C.
Why: Each degree above 20°C can add around 10% to your heating bill—so a moderate setting really does make a difference.
5. Install or Use a Smart Thermostat
Smart thermostats are a game changer for heating efficiency. They can learn your schedule, adjust temperatures automatically, and be controlled remotely through an app.
Benefit: Heating only when needed reduces energy consumption and maintains consistent comfort without unnecessary system run time.
6. Close Curtains and Blinds to Retain Heat
Windows can be a major source of heat loss, especially at night. Closing curtains or blinds adds a layer of insulation and keeps warm air trapped inside.
Tip: During sunny days, open your curtains to let in natural heat. As the sun sets, close them to lock that warmth in.
7. Use Ceiling Fans to Circulate Warm Air
It may sound strange, but your ceiling fan can actually help during winter—if it’s spinning in the right direction. When set toreverse (clockwise)on a low speed, the fan pushes the warm air that naturally rises back down into your living space.
Result: A more consistent temperature throughout the room, meaning your system doesn’t need to work as hard to maintain warmth.
Book your ducted air conditioning service in Brisbane today for unmatched quality and comfort. Contact ClimateLink for expert solutions tailored to your needs.
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