
Chelmsford Heater Services
Keeping Middlesex County Warm, One Home at a Time
Winters in the Greater Boston area aren’t for the faint of heart. When the temperatures drop, you need a heating system that is ready to deliver steady and reliable warmth—because no one should endure a Massachusetts winter huddled under five blankets. Offering top-notch heater services across Chelmsford and Middlesex County, Doug Anderson Plumbing and Heating is here to make sure your home stays cozy no matter how frightful it gets outside.
From quick repairs to brand-new installations, we specialize in a full range of heating systems, including furnaces, heat pumps, and boilers. Because when it comes to your comfort, cutting corners just isn’t an option.
Give us a call at (978) 733-2747 or contact us online to schedule your heater service today. Winter can’t wait, and neither should you!

Masters in Heating, Leaders in Problem Solving
It seems like every year brings new record-breaking lows, and those frigid temperatures aren’t showing any signs of letting up. Is your heating system ready to take on the challenge? Don’t sweat it—or rather, don’t freeze—Doug Anderson Plumbing and Heating has the skills and knowledge to handle any issue your heater throws at us.
Here's a look at the heating services we specialize in to keep you toasty all winter long:
- Heating installation and replacement – Whether you’re upgrading an old system or need a brand-new setup, we install high-efficiency heating systems tailored to your space and budget.
- Heating repair – Strange noises, weak airflow, or a system that just won’t turn on? We diagnose and repair heating issues quickly so you can get back to being comfortable.
- Heat pump services – Heat pumps are an energy-efficient way to stay warm in the winter and cool in the summer. We install and service ductless mini-split heat pumps to keep your home running efficiently year-round.
- Boiler services – Boilers provide consistent, energy-efficient warmth. Whether you need repairs, maintenance, or a new boiler installation, we have you covered.
We work with all makes and models of heating systems, so you don’t have to worry about compatibility issues or unnecessary upsells. Just honest, efficient repairs designed to restore your comfort ASAP.

Our Services
Masters in service, leaders in problem solving.
Keep Your Heater Running Strong with Routine Maintenance
Did you know a little preventive care can extend the life of your heater and improve its efficiency? Regular maintenance is the best way to catch small issues before they become major problems. Plus, it helps make your system ready to handle the winter season without a hitch.
Our heater maintenance services include:
- Cleaning and inspecting key components
- Testing thermostats and controls for accuracy
- Checking for leaks or blockages
- Replacing worn or damaged parts
With annual maintenance, you’ll enjoy lower energy bills, fewer breakdowns, and the peace of mind that comes from knowing your heater is in expert hands.
Don’t shiver through another winter! Call Doug Anderson Plumbing and Heating at (978) 733-2747 or contact us online today to schedule your heater repair, installation or maintenance in Chelmsford or Middlesex County.



What Sets Us Apart
Discover our delightful difference.
There's nothing old about our reliable. From first home to forever home, you can count on us!
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Heating and cooling emergencies can't wait. Call for immediate help.
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Get peace of mind with our warranty-backed services.
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Entrust your needs to licensed, insured professionals.
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We're so confident you'll be happy with our services, we guarantee it.

5 Star Smiles & Reviews
It starts with a handshake and ends with a thumbs up.
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It was fast, thorough and at a fair price.
"I know good plumbing when I see it."- Fred Daum -
We had an excellent experience with Doug Anderson Plumbing
"We're very happy with the final result, and will absolutely use their services again for any plumbing issues."- Nick Calistri -
Highly recommend!
"The technicians were polite, kind, and cautious of their surroundings during the job."- Michael Ciardi -
Would definitely call again if I have any plumbing issues in future.
"Doug's technicians were professional (& pleasant!), came on-time, and did a great job fixing everything."- Lynn Schlundt -
Doug and his crew did an exceptional job.
"I am very happy with the final product and I would whole-heartedly recommend them to anyone looking to get some plumbing work done."- Andrew Berberian