Air Conditioning

A musty air conditioner almost always means water sitting on the coil or in the drain. Here is what causes it, what you can clean safely, and when to call someone.

Set it to 18 to 20, point the louvres down and leave it alone. How to run reverse-cycle heating efficiently through an Australian winter.

Spring is the window to clean the filters, clear the drain and outdoor unit and test run your air conditioner, before the first hot day books out every technician.

An air conditioner carries two warranties, the manufacturer's on the equipment and the installer's on the work. What each covers, the servicing conditions attached, and what quietly voids them.

Where you mount a split-system indoor unit decides whether cool air reaches the whole room or just the wall it's on. Here's how to get placement right.

What the stars on an air conditioner label actually compare, why there are three climate zones, and how to turn the kilowatt hour figure into a real running cost.

How ducted aircon zoning actually works, the components involved, and an honest look at whether it saves you money on running costs.

A clean aircon filter genuinely helps with dust and humidity-driven allergens, but a neglected one can make indoor air worse. Here's the routine that actually matters.

Where the outdoor condenser goes affects efficiency, noise and your neighbours. Here's how to get the siting right before it's bolted to the wall.

Rattling, buzzing, hissing or grinding from your aircon? Here's what each noise usually means, what you can safely check yourself, and when it's a licensed tech's job.