||Clean the filter.
Unplug the unit and remove it from its case. Remove the filter from the grill.
Clean the filter with a vacuum or warm soapy water. Do this every-other-week
during hot weather.
Clean the coils.
Clean the dirt and grime off the coils using a spray cleaner. Avoid getting any
water on electrical components, and only use a gentle spray when rinsing off
the cleaner. Make sure the unit drains properly. When you return the unit to
the window, make sure its slightly tilted downward on the outside so the
condensation can drain.
According to South Kentucky RECCs Energy Advisors, a homeowner who takes
the time and care to do annual maintenance on their air conditioning system
will have a system that functions better, lasts longer and uses less