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Top-Rated Furnace / forced air heating system install or replace pros in Cohasset - Updated Nov 2026

Avatar for Sila Heating, Cooling, Plumbing and Electrical
Sila Heating, Cooling, Plumbing and Electrical
4.5(
5,404
)
Gas Furnace / Forced Air Heating System - InstallOil Furnace / Forced Air Heating System - InstallHeat Pump - Install or Replace+35 more

Serving Cohasset, MA and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

Live Your Most Comfortable Life with a Company You Trust. \nWe offer Same Day Service and Next Day Installation! \n \nSila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it?s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe ? season after season. \nWe guarantee satisfaction and are proud to have earned over 7,000 ?A? ratings on Angie?s List and its prestigious Super Service Award!

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+6

67 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Pro Heating & Cooling
Pro Heating & Cooling
4.9(
25
)
Heat Pump - Install or ReplaceDuctless Mini-split Heating System - Install or Replace

Serving Cohasset, MA and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"We chose Pro Heating & Cooling to do an oil to High Efficiency gas boiler conversion. Sean provided a clear and concise quote for the the full job, including a challenging removal of our oil tank. We needed the job done ASAP and Sean was able to accommodate our request and complete the full job in a day. His crews were prompt, and seamlessly coordinated to convert our combo forced hot water and air system while creating a much tidier and well laid out integration with the new boiler and indirect water heater. After the instillation Sean checked in and came to do minor adjustments to ensure the system was dialed in to run perfectly. Lastly, the pricing was great, and the instillation was designed to maximize the available Mass Save rebates for energy efficient systems. I'd recommend Pro Heating without hesitation (as I did to a friend/neighbor)!"
Oil Boiler Replacement
Single zone DMS
Single zone DMS
Two  Tankless Water Heaters
Response time2 days
4 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for H L Bowman
H L Bowman
4.6(
430
)
Gas Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - InstallHeat Pump - Install or Replace+9 more

Serving Cohasset, MA and surrounding areas

Approved (Corporate)

In business since 1946

Free estimates

Emergency services offered

"HL Bowman came through when we needed them most. Our AC failed on the hottest day of the year, and they had us back up and running with a full new system installed the very next day. The technicians were knowledgeable, professional, and honest. They explained our options clearly and never pressured us into anything we didn't need. We felt confident we were getting quality equipment at a fair price. HL Bowman only carries best-in-class equipment with a variety of options across different budgets. In a stressful moment, they made the whole thing painless and smooth. Highly recommend."
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+6

469 neighbors recently requested a quote
Recommended by86%of homeowners
Urban Heating and Cooling
4.2(
73
)
Ductless Mini-split Heating System - Install or ReplaceGas Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Install - For Business+6 more

Serving Cohasset, MA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"The house we purchased had its original electric baseboard heaters from 1971 and no A/C. Ross installed a natural gas forced hot air furnace and central air conditioning, including ductwork throughout the house. Our heating costs for the winter before this work were over $7K, and for the year after the work were less than $2K! Unlike most contractors, he showed up when he said he was going to did the work in a timely manner. We've been using the system for over a year now and have had no issues. And, his price was about 1/2 of the next best bid! I have already recommended him to someone else."
Central AC
Boiler to Central Heat/ AC Transformation
Navien On Demand
Ductless Split Install
Response time3 days
1 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Venture Mechanical
Venture Mechanical
5.0(
18
)
Gas Furnace / Forced Air Heating System - InstallBoiler or Radiator Heating System - Install or ReplaceDuctless Mini-split Heating System - Install or Replace+3 more

Serving Cohasset, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Dylan responds to repair requests promptly, is excellent at communicating repair estimates, completion timelines and final invoices. He is flexible and creative in finding solutions to my homes plumbing and heating system issues and updates. I would highly recommend hiring him."
Steam Boiler Install
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+27

Response time2 days
Response rate100%
4 neighbors recently requested a quote
Avatar for Mark Reddan Plumbing & Heating
Mark Reddan Plumbing & Heating
4.9(
33
)
Gas Boiler or Radiator Heating System - RepairGas Boiler or Radiator Heating System - Repair - For Business

Serving Cohasset, MA and surrounding areas

Approved

In business since 2023

Customers say: True professional

"I contacted Marc Redden plumbing and heating through Angieâ s list. I filled out the questionnaire and requested a call back. He contacted me within 5 to 7 minutes, arranging a date to come out. He arrived 10 minutes early and listened patiently as I explain the issue a second time. He then explained initial costs and procedures. He resolve the problem to my great satisfaction. He also graciously took extra time to install a new kitchen faucet that wasnâ t on the initial order. I would not hesitate whatsoever to recommend Mark Redden Plumbing and Heating. His five star reviews are very well deserved!"
Outside faucet
Outside faucet
Outdoor shower
Outdoor shower
Response time5 hrs
Response rate92%
2 neighbors recently requested a quote
Avatar for ARS - Boston
ARS - Boston
4.3(
366
)
Gas Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - RepairOil Furnace / Forced Air Heating System - Install+4 more

Serving Cohasset, MA and surrounding areas

Approved (Corporate)

In business since 1984

Free estimates

Emergency services offered

"When called to check our aged boiler, David S. arrived that within hours. When a flow valve exploded in his hand (OUCH!), he calmly and stoically arranged for a new heating system to be installed the next day. Aaron and Nate were prompt and thoroughly professional. Aaron, in particular, took the time to answer questions and provided clear information for the new system's operation. We've always been pleased with ARSBoston's service for our A/C system; it is VERY comforting to know that they will be servicing this new gas boiler for years to come. The quick response and remedy provided by ARSBoston will never be forgotten; we are truly grateful!"
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+10

134 neighbors recently requested a quote
Recommended by71%of homeowners
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Showing 1-10 of 394

FAQs for furnace / forced air heating system install or replace projects in Cohasset, MA

Converting from an oil furnace to an electric furnace isn't a simple swap—the oil system needs to be completely removed before installing the electric furnace. You'll need a full electric system installation, but you might be able to reuse existing ductwork if it's up to current safety standards. You’ll need to budget for a new electric furnace installation, which costs between $1,800 and $6,200, including professional removal, proper disposal, and safe installation of the new system.

Electric furnaces are 100% efficient at converting electricity into heat. However, some of that heat can be lost as it travels through your home's ductwork or escapes through poorly insulated areas. That's why regular duct maintenance and proper home insulation are important to maximize your furnace's efficiency and reduce heat loss, ensuring consistent warmth and lower energy costs.

With proper maintenance, an electric furnace can last anywhere from 20 to 30 years, outlasting the average gas furnace's lifespan of 15 to 20 years. To keep your electric furnace running efficiently, schedule regular cleanings, tighten connections, and have inspections done before winter arrives. With routine maintenance, you’ll ensure consistent, safe heating for years to come.

The size of the electric furnace you need depends on factors like your home's square footage, climate, and insulation quality. As a general guideline, those who live in warmer climates should multiply their square footage by 30 to 35 BTUs, while those in cooler areas should multiply it by 50 to 60 BTUs.

Consulting with an HVAC professional can help you determine the exact size that's right for your home.

An electric furnace works by converting electricity into heat using high-resistance heating elements. A blower then pushes the warm air through your home's ductwork, distributing heat evenly throughout your space. Since there's no combustion involved, electric furnaces eliminate the risks associated with gas furnaces and provide consistent, reliable heating when properly installed.

An electric furnace uses between 40 and 80 kilowatts per day to heat your home. The exact amount it uses depends on factors like your home's size, insulation, and overall energy requirements. Larger homes or those with poor insulation use more energy than smaller, well-insulated spaces. A professional furnace assessment can help confirm the ideal unit size for your needs.

The Cohasset, MA homeowners’ guide to furnace / forced air heating system installs or replaces

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