Assurance 2 of 2 York heat pump Air handler blower meets manufacturer specifications coil clean was in unable to clean or assess air handler due to stuff in way did change 4 inch 20*20*4 filter but no room for ladder cleaned main drain wet dry Vac and nitrogen Condenser all refrigerant change in specifications all motor amps in spec unable to wash coil back flow pervert on house leaks. System in good heath Thanks so much for your business and being the best part of AirNow Jesse