How to Prepare Your Air Conditioner for the Australian Summer

Feb 01, 2026By Dylan Cooper
Dylan Cooper

Check and Clean the Filters

One of the most crucial steps in preparing your air conditioner for the intense Australian summer is cleaning or replacing the filters. Dirty filters can hinder airflow and reduce efficiency, leading to higher energy bills. Ideally, filters should be cleaned or replaced every one to two months during peak usage periods.

cleaning air conditioner

How to Clean Your Filters

To clean your filters, first turn off the power supply to your air conditioner. Remove the filters and either vacuum them or wash them with soapy water. Make sure they're completely dry before reinserting to prevent mold growth. For units with disposable filters, ensure you have the correct size replacements on hand.

Inspect the Ductwork and Vents

Over time, dust and debris can accumulate in your ductwork and vents, affecting the efficiency of your cooling system. It's essential to inspect and clean these areas before the summer heat arrives. Check for visible signs of dust buildup or any obstructions that might block airflow.

Professional Duct Cleaning

If your system has not been cleaned in several years, consider hiring a professional duct cleaning service. They have the necessary tools and expertise to ensure all parts of your ductwork are thoroughly cleaned, improving air quality and system performance.

air duct cleaning

Test the Thermostat

Your thermostat is the brain of your air conditioning system. Before summer hits, make sure it's working correctly. Set the thermostat to cooling mode and test it by lowering the temperature. If the air conditioner doesn't respond or the temperature settings seem off, there may be an issue.

Upgrade to a Smart Thermostat

Consider upgrading to a smart thermostat for better efficiency and control. These devices allow you to program and adjust settings remotely, ensuring your home stays cool without wasting energy.

smart thermostat

Clear the Outdoor Unit

Often overlooked, the outdoor unit of your air conditioner is crucial for proper function. Clear any leaves, dirt, or debris that have accumulated around it. Ensure there is at least a one-meter clearance around the unit to allow for adequate airflow.

Check for Damage

Inspect the outdoor unit for any signs of damage, such as bent fins or rust. If you notice anything unusual, it might be time to call a professional for a more thorough inspection and maintenance.

Schedule a Professional Maintenance Check

Even if everything seems in order, it's wise to have a professional technician perform a comprehensive maintenance check before the summer season. They can identify potential issues and ensure your system runs efficiently when you need it most.

Benefits of Regular Maintenance

Regular maintenance not only extends the life of your air conditioner but also helps maintain energy efficiency, saving you money in the long run. It's a small investment that can prevent costly repairs or replacements down the line.

air conditioner maintenance