Air Flow Designs has kept more than 650,000 heating and AC systems up and humming with preventive tune-ups using Energy Star equipment. Air Flow Designs’ technicians examine each unit in detail, from its thermostat and drain pan to the hamster treadmill that generates its wind. They'll also check the refrigerant charge, clean the blower components and burners, lubricate moving parts, check the amperage and voltage, and test safety controls. Algae-tab maintenance keeps your circulated oxygen free of mold and accidental science-fair projects. Air Flow Designs’ tweaks and checkups also boost your indoor weather system's energy efficiency and performance.