We Install and service high quality, affordable home heating equipment manufactured by well-known name brands. Each brand has an excellent reputation and has been trusted by consumers for a many years and will be trusted many years to come.

For fast and friendly service, call us at (781) 899- 9180 or (781) 894-2799

Air Conditioning

Trust PR Douglas HVAC Services for all of your central air conditioning repair needs. Whether your AC system makes weird noises, leaks, or has issues cooling, we can fix it in a fast, professional, timely manner.

Our HVAC Techs will diagnose your AC system to determine the problem and will give you with a price estimate before any work is done, that way you know exactly what you're getting yourself into. We also install AC systems for businesses and residents.

Fuel Oil

Stay warm during the winter season with PR Douglas and Formal oil's home heating service. We service and deliver oil to businesses and residents in Waltham, Massachusetts and surrounding areas. We have been in business for many years and have a great reputation in servicing our customers.

If you're looking for a company who understands what customers want as far as quality and service, then look no further. PR Douglas and Formal Oil Co is eager to take on new customers and provide the best service possible.

Remain comfortable in your home with professional heating and air-conditioning services from our HVAC company in Waltham, Massachusetts. Since 1979, we at P.R. Douglas Co. Inc. and Formal Oil Co. Inc. have been providing our customers with fast, affordable, and efficient HVAC and oil services backed by 100 years' combined experience! We offer gas and oil equipment installations and service, water heater installations, fuel oil delivery, and a one-year warranty program to guarantee our service.