Dunn Oil Company: Your Trusted HVAC and Heating Partner in Maynard, MA

For over five decades, Dunn Oil Company has been a reliable name for heating and comfort in the Greater Boston suburbs. This family-owned business provides full HVAC and heating services to homes across Maynard, MA, and the surrounding towns. They focus on keeping families warm and systems running efficiently, no matter the season.

Business Overview

Dunn Oil Company is a residential heating and HVAC specialist based in Maynard, Massachusetts. Founded in 1965, the company operates with a small, dedicated team that knows the local community well. They offer emergency service 365 days a year, understanding that a heating failure during a New England winter is urgent. Their work is centered on homeowners, ensuring each job gets personal attention.

Key Services

The company handles a full range of heating and cooling needs for houses in the area. Their main services include:

• HVAC Installation or Replacement: Setting up new furnaces, boilers, or complete heating and cooling systems suited to local older homes and modern builds.
• HVAC System Repair: Fixing issues with furnaces, heat pumps, and other equipment quickly to restore comfort.
• HVAC System Maintenance: Annual tune-ups and cleaning to improve efficiency and prevent mid-winter breakdowns.
• Heating Oil Delivery & BioHeat® Fuel: Providing reliable #2 heating oil and biodiesel blends that reduce emissions and support sustainable energy.

Areas Served

Dunn Oil Company serves residential customers within about a 20-mile radius of their Maynard, MA base. This includes Framingham, Marlborough, Natick, Concord, Wayland, Littleton, Lincoln, Lancaster, West Concord, Stow, Harvard, Boxborough, Carlisle, Cochituate, Bolton, Boylston, and Littleton Common. Their long history means they understand the specific heating needs of homes in these MetroWest communities, from historic Colonials to newer subdivisions.

Company History

The story began in 1965 when John Dunn started the business with one oil truck and a service van, operating from his Maynard home. His wife, Lee, handled the office work. They knew every customer by name. In 1973, John purchased the Maynard Co-op Oil, which doubled the company's size. The business moved from Main Street to Acton Street, and finally to its current location on Euclid Avenue in Maynard. Through all the growth, the focus on personal service never changed.

Leadership

Founder John Dunn is still actively involved today. His dedication is legendary—stories tell of him working from bed while sick to ensure customers got their oil deliveries on time. Even during serious illness, his first thought was for his customers' comfort. This hands-on, owner-operator approach means every job at Dunn Oil Company in Maynard, MA gets a level of care that bigger corporations often miss.

Specialties & Highlights

• Family-owned and operated since 1965, with deep roots in the Maynard community.
• Full-service department with 24/7 emergency on-call service every day of the year.
• Provider of BioHeat® fuel, a cleaner-burning biodiesel blend that supports local sustainability efforts.
• Expertise in both oil-fired and modern heating system installations and repairs.
• Merged with MacFarlane Energy to expand service capabilities while keeping local management.

Why Locals Choose Dunn Oil Company

Homeowners in Maynard, MA and nearby towns return to Dunn Oil Company because they trust the name. It’s not just about fixing a furnace; it’s about a neighbor who answers the phone on a Sunday night in January. It’s about a company that remembers your family and your home’s heating history. After 53 years, their reputation is built on showing up, doing the job right, and caring about the community they serve. For reliable HVAC and heating oil service from people you know, Dunn Oil Company remains a local favorite.