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Best boiler installation pros near Spencer, MA

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  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon198
    Verified boiler installation services reviews

Top-Rated Boiler installation pros in Spencer - Updated Nov 2026

Girouard Plumbing & Heating
4.8(
5
)
Gas Boiler or Radiator Heating System - Install

Serving Spencer, MA and surrounding areas

Approved

Customers say: True professional

We specialize in all phases of heating, cooling and plumbing services-- installs, repairs, maintenance, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

Recommended by80%of homeowners
Mike Lambert's Plumbing and Heating Inc
4.4(
11
)
Gas Boiler or Radiator Heating System - Install

Serving Spencer, MA and surrounding areas

Approved

In business since 2012

Warranties offered

Credit card accepted

Mike Lambert's Plumbing & Heating Inc. is a family-owned plumbing and heating company in Spencer, MA, serving Worcester County since 2004.\n\nPlumbing services include:\n• Repairs\n• Drain cleaning\n• Water heaters: gas, electric, tank, and tankless\n• Sump and ejector pumps\n• Water filtration and softeners\n• Gas lines\n• Refrigerator water lines\n• Garbage disposals\n• Sewer lines\n• Backflow\n• Remodel plumbing\n\nHeating services include:\n• Gas boilers\n• Propane boilers\n• Electric boilers\n• Radiator heat\n• Baseboard heat\n• Annual tune-ups\n\nLicensed Massachusetts plumber, License #16641.\n\nNo trip charge. Any diagnostic fee is discussed at your home before work starts, and the price we quote is the price you pay.\n\nServing Spencer, Leicester, Charlton, Worcester, Auburn, Holden, Oxford, Rutland, Sturbridge, Southbridge, the Brook fields, and nearby Worcester County towns.

Response time10 hrs
Response rate90%
4 neighbors recently requested a quote
Avatar for Heritage Home Service
Heritage Home Service
4.6(
22
)
Gas Boiler or Radiator Heating System - InstallOil Boiler or Radiator Heating System - Install

Serving Spencer, MA and surrounding areas

Approved (Corporate)

In business since 2018

Free estimates

Emergency services offered

"We hired Loudon Mechanical to install Daikin mini-splits in our home. The quote was reasonable. Each person in their crew was courteous, prompt, and efficient. They completed our job in two days and left the job site clean. W are extremely pleased with Loudon Mechanical and would highly recommend this company."
Garbage disposal
Bathroom plumbing
Water heater
Water Filtration
Plumbing maintenance

+19

Response time9 hrs
Recommended by84%of homeowners
Avatar for Morton Plumbing and Heating
Morton Plumbing and Heating
5.0(
5
)
Gas Boiler or Radiator Heating System - Install

Serving Spencer, MA and surrounding areas

Approved

In business since 1985

Free estimates

Credit card accepted

"Morton’s Plumbing & Heating did an excellent job replacing my bathroom vanity and sink. I would recommend them to anyone looking for a great honest plumber who is reasonably priced compared to these big corporations."
1 neighbors recently requested a quote
Avatar for Chimney Chap Inc - South Shore Fireplace Inc
Chimney Chap Inc - South Shore Fireplace Inc
4.7(
635
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Spencer, MA and surrounding areas

In business since 1980

Free estimates

Emergency services offered

"They first came out to do a routine check and informed us of what we should / needed to do to have our fire place perform better. The quote they provided was very reasonable. We decided to install a rain cap after the sweep and getting an appointment was very easy. The technician arrived early and completed the work quickly."
Copper Cap Installation
Finished Product of Chimney Rebuild
Class A Solid Fuel System
Additional Photos
Additional Photos

+40

Recommended by93%of homeowners
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Install Boiler FAQs, answered by experts

If your boiler is 20 years old, it’s time to get a new one. Although it may seem to be working fine, it’s likely eating up more fuel than it should. Also, compared to a brand-new boiler, one that’s 20 years old is probably not working as well. When you get your new unit, you’ll notice that your home is heating more quickly, and the heat is consistent throughout all the rooms.

All modern boilers are condensing boilers because they’re the most efficient type. Instead of extra heat leaving through the flue, these boilers trap the heat and use it to heat the house. Whether you choose a combi boiler, system boiler, or regular boiler, you can opt to get a condensing system. If you have an old boiler that’s not a condensing boiler, it’s a good idea to get an upgrade.

If you’re looking for a way to heat your home that is lower in cost and higher in efficiency, you should run the numbers to see what it would look like to switch to gas or electric heat. The best choice for how to heat your home depends on your location, budget, and energy priorities.

If you go to turn it counterclockwise and it won’t turn anymore, it’s open. Like most other valves, you should be able to turn a radiator valve counterclockwise (to the left) to open it and clockwise (right) to close it. To close a radiator valve, turn it clockwise until you meet some resistance and can’t turn anymore, but do so carefully to avoid breaking the valve.

Safety concerns with propane boilers include proper venting to prevent carbon monoxide buildup, secure gas line connections, and regular inspection of safety controls. Professional boiler installation and annual maintenance are essential to minimize risks. Having a carbon monoxide detector installed in your home is essential for early detection of any leaks or ventilation issues.

The Spencer, MA homeowners’ guide to boiler installation services

From average costs to expert advice, get all the answers you need to get your job done.