Air Conditioner AC Maintenance Guide

Proper air conditioner maintenance or AC system will ensure that the equipment continues to provide the cooling when needed especially during summer. Some of the steps that you can take and do not require a service technician to do them. Equipping yourself with these simple knowledge will save you time and money in the long run.

Check The Condenser
In a typical air conditioner, the condensing unit is usually located outside your house where the compressor, fan and the condensing coils are located. When cooling your house, this unit rejects heat to the surrounding by blowing the fan over the condensing coils. Make sure that there are no obstruction to the fan and air flow of the condenser. A typical outdoor condensing  unit that needs cleaning to ensure efficiency of air conditioner unit.


You do not have to cover up the unit when not in used as these units are robust enough to stand the harsh outside temperature of the house.
Remember to disconnect the power supply to the unit before cleaning the condenser.

Check & Clean Filters
Most indoor evaporator unit is fitted with removeable filters that trapped dust to prevent dirt from clogging the coils of the evaporator. These filters are easily removed and wash with water/soap to get rid of the dust. Do it at least once a month. Some units also come with electrostatic filters that act as a secondary filter system for the evaporator. Change them if they are dirty.

filter ac

Check & Clean Evaporator

If the coils of the indoor evaporator are dirty, use a vacuum cleaner or a wet cloth to clean them. Keeping the evaporator clean will ensure that the cooling capacity of the air conditioner is not lost due to the dirt that obstruct the flow of air to the room.

Remote Control

If your unit has a remote control, make sure that it is working by checking the display and using it to control the unit. If you are not using the controller for a long period, remove the batteries. Learning the functions of the electronic control will ensure that you are able to operate the air conditioner effectively.


Note that there are a few operating modes i.e. cooling, heating, fan or auto mode depending on the system that you purchased. Use of timer and other energy saving modes are recommended to save energy.

Power Up Unit

It is always a good idea to power up the unit and run the air conditioner at the end of Spring to ensure that it is still in working condition. Make sure that you are operating the right mode and temperature to get the desired cooling or heating effect.


Leave a Reply

Your email address will not be published. Required fields are marked *