McDonald Heating, Air Conditioning and Plumbing Inc., is a Massachusetts Heating, Cooling, Plumbing, Air Conditioning, Heat Pump, and furnace repair, service, replacement and maintenance Company located in Worcester County. McDonald Heating, Air Conditioning and Plumbing Inc., will send you only the best technician or plumber to fix your heating oil, gas or propane (LP) furnace, ductless mini-split, and heater repair or installation of all heating equipment as well as your air conditioner installation and repairs. We have plumbers for hot water heaters installation, and plumbing repairs. McDonald Heating, Air Conditioning and Plumbing Inc., provides emergency service to Westborough MA, Shrewsbury MA, Worcester MA, Northborough MA, Oxford MA, Rutland MA, Holden MA, Auburn MA, Leicester MA, Spencer MA, East Brookfield MA, North Brookfield MA, Brookfield MA, West Brookfield MA, Sutton MA. To set-up a repair service or replacement estimate, call 508-832-5444. McDonald Heating, Air Conditioning and Plumbing Inc., is an authorized factory dealer of many brands and services all furnace, AC, humidifier, filter, thermostat and water heater brands including , System 2000, Mitsubishi,Amana, Goodman, Bryant, Trane, Lennox, , Rheem, Ruud, Maytag, Weil McLain, A O Smith, Kohler, American Standard, General, Aprilaire, Honeywell, White Rodgers, Comfort Air, HTP, Bradford White, Daikin, Mitsubishi, Buderus, and Fujitsu.