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TRUSTED BY SMITHTOWN, NY HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon2.3k+
    Verified boiler installation services reviews

Find Boiler installation pros in Smithtown

Avatar for All Weather Heating & Cooling
All Weather Heating & Cooling
4.6(
68
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Smithtown, NY and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"Kevin was great! The rest of the company not so much. Kevin diagnosed the problem immediately as the thermostat, had a replacement in the truck, and completed the installation of the new unit quickly. He showed me how to program the updated version, and everything seemed to be fine - until the next morning. Turned out the replacement was defective. When I called, I was told that they might not be able to get back to me that day, but Kevin interrupted his schedule to come back and put in a new (and working) unit at no charge."
Additional Photos
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+13

Response time3 days
12 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for RDS Plumbing and Heating
RDS Plumbing and Heating
4.7(
128
)
Oil Boiler or Radiator Heating System - Install

Serving Smithtown, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Small jobs welcome

Offers commercial services

"Had an excellent experience. He replaced my boiler and water heater and did a flawless job from start to finish. Super professional, showed up on time, explained everything clearly, and the work was clean and efficient. The new system runs perfectly, and the installation looks great. Pricing was fair and there were no surprises. It’s hard to find tradespeople this reliable—highly recommend and would 100% use him again."
Response time7 hrs
Response rate85%
Recommended by56%of homeowners
C&A Mechanical
4.4(
77
)
Electric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install - For Business+2 more

Serving Smithtown, NY and surrounding areas

Approved

In business since 1997

Free estimates

Credit card accepted

"I would highly recommend C&A Mechanical. They were efficient, polite & professional. The quote given was exactly what we paid, which was very reasonable and competitive to other quotes. Craig actually offered to come assess our leaky water heater before our scheduled appointment, which was so helpful and definitely a huge factor for this job being done sooner than it would have been. We will absolutely call them again for service if anything else in our house needs attention that they specialize in."
Response time10 hrs
3 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Elite Piping Solutions
Elite Piping Solutions
4.8(
49
)
Gas Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install - For BusinessElectric Boiler or Radiator Heating System - Install+2 more

Serving Smithtown, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Warranties offered

"Billy and his crew were an absolutely pleasure to work with. They exceeded my expectation to replace my boiler and hot water heater along with associated piping in record time working in concert with the GC to complete all work in 3 days. The finished work was neat and clean correcting errors with my original installation. All debris was removed each day. He ensured I was satisfied, kept me informed of the progress and what to expect. Upon leaving he made recommendations to have all my air valves replaced in my radiators and encouraged me to call with any questions. I appreciate the care he and his crew took with my home."
Response time6 hrs
Response rate88%
7 neighbors recently requested a quote
Avatar for Just Chillin HVACR, LLC
Just Chillin HVACR, LLC
4.9(
16
)
Electric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install - For Business

Serving Smithtown, NY and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Frank Green provided me an estimate for the installation of a mini-split single unit at my parentâ s home in Farmingdale. His two employees did a professional job. My parents are seniors who live with a full-time aide. They were respectful and accommodating. A day or two after the unit was installed, I reached out to Frank with questions on how to operate the unit and possibly moving it several feet. That same day, he had his employee return to my parentâ s home to discuss the matter further and to drop off another manual considered to be more user friendly which solved our issue. I would definitely recommend Just Chillinâ to other consumers."
West Islip
West Islip
West Islip
Farmingdale
Farmingdale

+7

Response time10 hrs
Response rate85%
Recommended by100%of homeowners
Avatar for Varsity Home Service Company, Inc.
Varsity Home Service Company, Inc.
4.4(
242
)
Gas Boiler or Radiator Heating System - Install

Serving Smithtown, NY and surrounding areas

Approved

In business since 1962

Free estimates

Emergency services offered

"We are very satisfied with the work done by Varsity. They showed up on time both times, clean work and very conscientious workers. Knowledgeable of our boiler. Highly recommended by us."
Shower Fixtures
Installation
Truck
Best of L.I. Winner 2024
Angi 2022 Super Service Award Winner

+86

Response time11 hrs
96 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Professor Pipes
Professor Pipes
5.0(
18
)
Gas Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install - For BusinessOil Boiler or Radiator Heating System - Install - For Business

Serving Smithtown, NY and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"Highly knowledgeable and extremely professional company with great customer service!! Mike was such a pleasure to work with His team of experts were always so helpful and skilled. Very, very easy to recommend this company to family and friends, as the entire two day project was a seamless and positive experience! It was a true pleasure in every aspect of this HVAC job Kudos to Mike and the Professor Pipes crew!"
Response time7 hrs
Response rate88%
3 neighbors recently requested a quote
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Install Boiler questions, answered by experts

Installation costs range from $4,000 to $12,000, depending on unit size, efficiency rating, and labor.

Costs depend on unit size, labor, fuel type, and whether additional piping or venting is needed.

The best time of year to purchase or replace an HVAC system, including components like an air conditioner or furnace, is during the off-season—spring and fall. During these periods, HVAC professionals are less busy than in summer and winter, when extreme temperatures create urgent demand. Shopping during the off-season can lead to savings of 10% to 15% on an AC unit and allows you more time to find the best deal and other cost-saving incentives. Typically, air conditioning units go on sale in the fall after demand drops, while furnace prices tend to decrease in the spring.

If you have a closed-system boiler that requires an expansion tank, you cannot safely operate it without one, as this risks extensive damage or even explosions. You must find a way to make room for the installation. Options include repositioning the boiler, rerouting the boiler piping to a more open area, or performing minor remodeling to create the necessary space. If you are unsure whether your boiler needs an expansion tank or how to best accommodate one, it's recommended to have a local heating service professional assess the situation. They can confirm the requirement and suggest the most practical solution.

The cost to install a steam boiler varies depending on the type, fuel used, and your house size. The average cost to install a boiler is $5,900. You could spend $2,000 for a basic electrical steam boiler or up to $9,000 for a high-efficiency oil-burning steam boiler. Boiler installation is a job that’s best left for professionals to complete, and, in some states, only licensed installers can legally complete the job.

The Smithtown, NY homeowners’ guide to boiler installation services

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