Has your central AC stopped blowing cold air? Here are some simple troubleshooting steps to take before you make a repair ...

An AC evaporator coil is essential to the efficient operation of your home’s central air conditioning system. Located inside the air handler within the indoor AC unit, the evaporator coil ...

One to two times a year, call up your local HVAC professional to take a look at your all-too-important AC coils. Cleaning AC coils costs anywhere from $75 to $700, or an average of $125 per coil.

Summer is a season of relaxation. Warm air, longer hours of daylight and vacations from school and work make summer a laid ...

Use a brush or small vacuum attachment to vacuum the dust and dirt that collects inside the window AC unit. Be sure and hit the blower, condenser, fan, compressor coils and evaporator coils.

Window air conditioners have two sets of coils and fins: the condenser coils in the back and the evaporator coils in the front. Both are accessible by removing your unit's case. Quick tip ...

which regulates the flow of refrigerant into the evaporator coil. The cold refrigerant then absorbs more heat from the indoor air and the cycle continues. The goal of shading an AC unit is to ...