Heating Service & Repair in Lowell & Chelmsford, MA

Since 1904, Welch Brothers Plumbing and Heating has been providing superior home comfort solutions including repair, maintenance, and installation of heating systems. Our goal is to help you create and maintain a healthy indoor climate in your home or commercial building. We're the Greater Lowell and Merrimack Valley’s steam system specialists and we specialize in boiler repair and replacement in Lowell, Chelmsford, MA, and the surrounding area.

Need Emergency Service? We’re Here to Help.

Don't get stuck with a cold house! If you need a heating repair in Lowell or Chelmsford, MA, rest assured that we are on standby for you.


Heating System Repairs, Replacement, & Installation

  • Boilers & Furnaces
    • Gas
    • Oil
    • Electric
    • Steam
    • Forced Hot Water
  • Piping
  • Pumping
  • Steam Radiators
  • Radiant Heat
  • Vent Free Heaters
  • Individual Room Heaters
  • Baseboard Units
  • Under Cabinet Kickspace Heaters
  • Fuel Lines for Fireplace Inserts & Logs

Heating System Replacements/Upgrades

When you’ve lived in your home for a number of years without replacing your heating equipment, you may not realize how much that old unit is costing you each month. If you’re ready to explore the more energy-efficient options, we’re always happy to help. We specialize in cost-effective and high-efficiency heating solutions, including natural gas and oil boilers. Using a high-efficiency system, you’ll use less energy, cut down on utility costs, and live and work in comfortable interior spaces year-round.

Heating Repair in Lowell, MA

Our highly-trained technicians are on standby to handle all your heating service needs. We always answer the phone when you call, so if you have a heating problem – call us today! To save on utility bills and service calls, we urge you to take a preventive approach to your property’s heating system. 

We do not offer air conditioning or forced air heating services.

Give us a call today and receive a free estimate!