Air Conditioning

If your air conditioner runs all afternoon and the house still feels warm, the cause may be the building rather than the unit. How to check the ceiling, west glass, draughts and sizing.

What the refrigerant on your air conditioner's compliance plate means: how R32, R410A and R22 differ, why gas work is licensed, and what it means for an older system.

Water dripping from a split system indoor unit is condensate that missed the drain. How to trace it to a blocked drain, a sagging line, a tilted unit or ice on the coil, and which fixes are yours.

Renting or living in strata? Here's what a portable, a window or wall unit, or a split system really involves, and how to ask your landlord or strata for approval.

Check the ARC refrigerant licence first, then ask these questions about sizing, electrical work, placement, the quote and warranty before you book an aircon installer.

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.