Top-rated boiler installation pros.

Get matched with top boiler installation pros in Cos Cob, CT

Enter your zip and get matched with up to 5 pros

Need a pro for your boiler installation project in Cos Cob, CT?

Select your specific project to find the pro for you.

TRUSTED BY COS COB, CT HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon901
    Verified boiler installation services reviews

Verified Reviews for Boiler Installation pros in Cos Cob, CT

*The Angi rating for Boiler Installation companies in Cos Cob, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Boiler Installation needs.

*The HomeAdvisor rating for Boiler Installation companies in Cos Cob, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Boiler Installation needs.

Last update on September 16, 2026

Find Boiler installation pros in Cos Cob

Avatar for Tyler Heating, Air Conditioning and Refrigeration LLC
Tyler Heating, Air Conditioning and Refrigeration LLC
4.6(
132
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

"Very please with the install. Vin was very professional and applied due diligence to the project. His oversight and instruction provided the reinsurance that needed. I requested four heating and AC vendors to provide proposals. Tyler was most responsive to my questions and offered me alternatives along with helpful suggestions. My next project is my boiler. I will be turning them in the future."
Carrier Ductless Heat Pump Condenser
Carrier Performance Ductless Heat Pump High Wall Air Handler
Additional Photos
Additional Photos
Additional Photos

+172

Response time2 days
Response rate100%
4 neighbors recently requested a quote
Request Quote
Avatar for H L Bowman
H L Bowman
4.6(
422
)
Gas Boiler or Radiator Heating System - InstallElectric Boiler or Radiator Heating System - Install

Serving Cos Cob, CT and surrounding areas

Approved (Corporate)

In business since 1946

Free estimates

Emergency services offered

"Yes, one day install conversion from tank electric to tankless gas with water softener"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+6

582 neighbors recently requested a quote
Recommended by87%of homeowners
Request Quote
Avatar for Cassidy Plumbing and Heating, Inc
Cassidy Plumbing and Heating, Inc
4.5(
31
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Cos Cob, CT and surrounding areas

Approved

Super Service Award Winner

In business since 1992

Emergency services offered

Warranties offered

"Oct. 6 2025 it went quick. I received an estimate of The job first. The work was done correctly. It didn't take long. If I need plumbing service again. I would contact Cassidy plumbing & Heating."
Heating System
Heating System
Plumbing
The Team
Navien Water Heater

+3

Response time2 days
Response rate100%
13 neighbors recently requested a quote
Request Quote
Avatar for L.C. Schede & Sons, Inc.
L.C. Schede & Sons, Inc.
4.0(
294
)
Oil Boiler or Radiator Heating System - InstallBoiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - Install+3 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1922

Free estimates

Emergency services offered

"While out of town, got word basement might be flooded. Called Schede to check boiler and hot water heater.. They went out the same day. Discovered sump pump wasn't working so replaced it. Cost pump and labor $800. Over the years they have responded to many problems, leaking faucets and stuck drains. Biggest project replace boiler for steam heat. Took 5 guys to wrestle boiler down a narrow basement stairway. Patient with a few family disagreements. Nothing to do with them. Installation successful. They've always been prompt courteous and non judgemental when encountering crazy working conditions. Think they are great. Boiler and hot water heater were fine. They installed both."
$100,000 Kitchen
Master Bath/Spa
Children's Bath
Guest Bath
Response time6 hrs
16 neighbors recently requested a quote
Recommended by88%of homeowners
Request Quote
Avatar for Hillcrest Fuel, Inc.
Hillcrest Fuel, Inc.
4.6(
75
)
Electric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - InstallOil Boiler or Radiator Heating System - Install

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1938

Free estimates

Emergency services offered

"They were great! Even found a way of adding a 40 gallon water heater to a smaller space. Which has been wonderful! They worked in a VERY tight space and got the job done! I highly recommend them! Will be using them to install my central air as well!"
Fujitsu Heat A/C Heat Pump
American Standard Air Conditioning
95% Alpine Boiler Nat Gas
Burnham X2 Gas Boiler
Burnham X2 Gas Boiler

+1

Response time1 day
4 neighbors recently requested a quote
Recommended by100%of homeowners
Request Quote
Avatar for Petro Home Services
Petro Home Services
4.3(
103
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Cos Cob, CT and surrounding areas

Approved (Corporate)

In business since 1903

Emergency services offered

Warranties offered

"The plumber was berybeasybto deal with and very experienced. He did a great job."
Additional Photos
Additional Photos
Additional Photos
Response time6 days
Response rate100%
17 neighbors recently requested a quote
Request Quote
Avatar for Schede Plumbing & Heating
Schede Plumbing & Heating
4.2(
97
)
Gas Boiler or Radiator Heating System - InstallOil Boiler or Radiator Heating System - InstallBoiler or Radiator Heating System - Install or Replace+3 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1922

Free estimates

Emergency services offered

"The service was prompt. The owner, Louis came to estimate the job and then send a plumber, Kelroy who was worked quickly and was very professional and personable. When I felt the price was steep the owner adjusted it. I will use this company again."
Response time7 hrs
Response rate100%
13 neighbors recently requested a quote
Request Quote
Avatar for Celco Heating & Air Conditioning
Celco Heating & Air Conditioning
4.3(
128
)
Electric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install - For Business

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1976

Free estimates

Emergency services offered

"Thorough explanation, great service, neat installation and competitive pricing. Would hire again."
My work.
wall hung MItsubishi
various projects
various projects
various projects

+8

Response time1 day
32 neighbors recently requested a quote
Recommended by98%of homeowners
Request Quote
Avatar for J Thurston Fuel
J Thurston Fuel
5.0(
4
)
Boiler or Radiator Heating System - Install or ReplaceGas Boiler or Radiator Heating System - InstallOil Boiler or Radiator Heating System - Install

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1999

Free estimates

Credit card accepted

"Very positive experience. They responded immediately when I sent the request. The gentleman who called asked me questions about my current setup and had a technician out promptly. The quote was reasonable and the job was completed in one day. Staff were friendly. Happy customer!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+9

12 neighbors recently requested a quote
Recommended by75%of homeowners
Request Quote
Avatar for Pack-Timco Heating & Cooling
Pack-Timco Heating & Cooling
New to Angi
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1967

Free estimates

Emergency services offered

Pack-Timco, LLC Heating and Cooling is one of the oldest and most reputable HVAC companies for over 50 years. Starting in 1967, Pack-Timco, LLC Heating and Cooling begun as a one-man, one-truck service operation by Lawrence C. Pack.\nPack-Timco is a full-service heating and cooling company serving residential and light commercial customers throughout Fairfield and Westchester counties.\n\nWe understand the demands of high-end residential design: discreet elegance, architectural harmony, and absolute performance. That’s why we specialize in tailor-made HVAC systems that integrate flawlessly into even the most ambitious homes.

40 neighbors recently requested a quote
Request Quote
...
Showing 1-10 of 125
Install Boiler questions, answered by experts

The average cost to replace or install a new HVAC system is around $7,500. However, the price can range from $5,000 to $12,500, depending on factors like the size of your home, the type and brand of the unit, and your specific heating and cooling needs. If you only need to replace certain components, the cost will be lower; for example, a new AC unit can cost between $2,200 and $5,500, while a new furnace costs $3,200 to $6,000. If additional work like new ductwork is required, the total cost could be as high as $22,000. It's best to contact a local HVAC company for an accurate quote.

Warmed or cooled air can escape your home through drafty windows and doors. If you notice any gaps, be sure to caulk and seal them. You can also hire a local pro for an energy audit to get a list of energy-saving recommendations. 

Finally, check your insulation. It can settle in over time and become less effective. The Environmental Protection Agency (EPA) estimates that you can save an average of 15% on heating and cooling costs (or 11% of total energy costs) by sealing leaks and making sure attics, crawl spaces, and basements have a nice layer of insulation.

An HVAC system typically lasts between 10 and 30 years, with an average lifespan of 15 to 25 years. The longevity of the system is influenced by factors such as the quality of the unit, usage frequency, local climate, and how well it is maintained. Regular maintenance, including cleaning, filter replacements, and professional inspections, can help maximize its lifespan. Different components within the system have varying life expectancies. For example:

  • Furnaces: 15 to 30 years

  • Boilers: 20 to 35 years

  • Air Conditioners (AC units): 12 to 20 years

  • Heat Pumps: 10 to 20 years

  • Ductless Mini-Splits: 10 to 30 years

The cost of propane and related services varies depending on tank size and location but generally ranges from $500 to $2,500 for installation and initial fill.

Since your boiler keeps you warm and provides hot water to your home, you’re likely to notice issues with heating in your living space right away. The most obvious sign that your boiler is breaking is not getting any heat or hot water. You might also hear some odd sounds coming from your boiler during operation, the flame in your gas boiler is not blue, the pressure is inconsistent, or your boiler is using more energy than it should. If you notice any of these signs, be sure to call a pro right away.

The Cos Cob, CT homeowners’ guide to boiler installation services

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

See all articles