CAME OUT ON A ESTIMATE. INSTALLED A 3.5 TON AH/HP REINSULATE DUCTWORK, CASE OF PLEATED 20X30X1 FILTERS W/UV AND BASIC ADC. MADE SURE SYSTEM WAS INSTALLED PROPERLY. MADE SURE WORK AREA WAS CLEAN WHEN FINISH. CHECK THERMOSTAT, CHECK AIR FILTER, CHECK ALL ELECTRICAL CONNECTIONS. EVERYTHING IS RUNNING GREAT.