If you are not satisfied with the heater or cooler intensity of your aircon the problem might be that you haven't cleaned your aircon filters in a while. So this instructable is a DIY on how to clean your AC filters.
Open the aircon to get out the filters. Make sure the aircon is turned off before opening the cover and getting out the filters.
Wash the filters with warm/hot water. Use a stainless steel dishwasher brush to wash away the dust.
Tip: Be careful while using hot water.
Once the filters are cleaned pat dry with a towel and carefully place the filters back in the aircon.
Enjoy a more effective and cleaner aircon!