Reduce Your Carbon Footprint
A 5-ton A/C unit protected with PreVent® equipment filters, using approximately 3,750 less kWh of electricity per season, will generate approximately 5,625/bs less C02 emissions than an unprotected A/C unit with dirty condenser fins, assuming 1.5 lbs C02 emissions per kWh of electricity.
U.S. EPA, Feb. 2011: http://www.epa.gov/greenpower/pubs/calcmeth.htm