Performed tune up service on all minisplit powerheads, cleaning indoor and outdoor coils, filters, treatment of drain lines, checking of all electrical components, refrigerant balance, unit start up, operation, shutdown. Recommend deep cleaning of indoor powerheads and blower wheels of Front Entry unit, Kitchen/Dining unit, and master bedroom unit. Performed heating tune up service on boiler/hot water system checking all electrical components, performing full combustion analysis, system start up, operation, shutdown, treatment of drain and condensate pump.