These days, you can probably feel those hot, sticky summer days with humidity over 80%. With daytime temperatures around 25-28°C, your residential and commercial air conditioning Gold Coast has been working hard. Before the calendar flips, this end-of-year air conditioner checklist, prepared by DEEPCHILL, will help your system run better before the new year begins.
Table of contents

1. Start with the filter – small job, big impact for end-of-year air conditioner checklist
Pull out the indoor unit’s air filter and take a proper look. If it’s grey, dusty or clogged, it’s time to clean or replace it. This step alone can lift performance fast.
A clean filter helps your system breathe easier, cool rooms faster and use less power. With residential air conditioning Gold Coast homes running AC more often during humid summer nights, this quick task can also improve indoor air quality. Many AC systems struggle at year-end simply because filters get forgotten during busy periods.
2. Wipe the indoor unit and feel the airflow
Grab a soft cloth and gently wipe the front panel and louvers. Once done, turn the unit on and check the airflow. It should feel strong and even across the room.
If airflow feels weak, smells off or comes with strange noises, note it down. These signs matter for both residential and commercial air conditioning Gold Coast spaces, where uneven cooling can quickly affect comfort and productivity. This step is a core part of any practical end-of-year air conditioner checklist.
3. Clear space around the outdoor unit
Switch off the power first. Then clear leaves, grass, plastic bags and general clutter within about 60 cm around the outdoor unit. Summer storms and wind on the Gold Coast often push debris into places we don’t notice.
Good airflow around the condenser helps the unit release heat properly. This reduces strain, lowers noise and supports long-term reliability. For air conditioning Gold Coast systems exposed to coastal weather, keeping the outdoor unit tidy is a must, not a nice-to-have.

4. Check the drain and look closely for leaks
Take a moment to look at the condensate drain pipe or tray. Standing water or obvious blockages can lead to leaks inside your home or business.
Also you should can the area which is nearby walls, ceilings and the area around the outdoor unit. Rust marks, water stains or oily residue can signal early problems. Catching this now helps prevent bigger repairs later and keeps your end-of-year air conditioner checklist actually useful, not just a tick-the-box exercise.
5. Do a quick “health check” and plan ahead
Run the system for 10-15 minutes. Listen carefully. Smell the air. Check if it reaches your set temperature without struggling.
If something feels off, don’t wait for a January heatwave. Write down what you notice and plan a professional service early in the new year. This is especially important for your AC systems that can’t afford downtime, but it matters just as much for residential air conditioning Gold Coast comfort at home.
This end-of-year air conditioner checklist helps you spot small issues before they turn into big ones and sets your system up for the months ahead. At DEEPCHILL, your trusted air conditioning Gold Coast partner, we thank you for another year of trust and support. Here’s to a cooler, smoother and stress-free 2026!











