Record electricity consumption, rolling blackouts and brownouts ... have you ever thought that maybe equipment efficiency levels aren't the whole problem?
In fact, a study prepared for the U.S. Environmental Protection Agency (EPA) in consideration of changing Energy Star® labeling revealed that 74 percent of central air conditioners and heat pumps have an improper refrigerant charge and 70 percent have airflow lower than 350 cubic feet per minute per ton (cfm/ton).