Air conditioner coil cleaning should be near the top of every buildings maintenance list. The US Environmental Protection Agency (EPA) and the US Department of Energy (DOE) have found that dirty condenser and evaporator coils can significantly increase HVAC energy usage and associated utility costs in buildings.
A dirty air conditioner coils can increase energy consumption by 30%, according to the US DOE. Additionally, the federal governments Energy Star program asserts that as much as half the energy used in buildings goes toward heating and cooling.
A dirty air conditioning coil will also decrease the ability of the HVAC system to work to its full potential and will shorten the life of the HVAC system.
Add in the potential for compromising the building's indoor air quality, and it is a foregone conclusion: Ensuring your air conditioner coils are cleaned on a regular basis is the right thing to do.