
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?
TRUSTED BY COS COB, CT HOMEOWNERS
4.5
Average homeowner rating884
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 January 13, 2026
Find Boiler installation pros in Cos Cob
N.Z Home Improvement
N.Z Home Improvement
We are a full service remodeling company. We specialize in kitchen and bath, tile, carpentry, painting exterior and interior, general and basement remodels. Call us we are here to address all your remodeling needs.
"All our projects were completed competently and on time. Communication was excellent. Work was efficiently done and areas left clean. Workers are nice people."
Judy S on October 2024
We are a full service remodeling company. We specialize in kitchen and bath, tile, carpentry, painting exterior and interior, general and basement remodels. Call us we are here to address all your remodeling needs.
"All our projects were completed competently and on time. Communication was excellent. Work was efficiently done and areas left clean. Workers are nice people."
Judy S on October 2024

The Builders & Cleaners
The Builders & Cleaners
Based in West Haven, Connecticut, our team has provided an excellent, affordable service to more than thousands of houses over the years. We are committed to supporting our customers throughout the evaluation process, during the service itself and are available to answer any queries once the work is complete. We are a licensed and fully insured company aiming to respond to all requests involving our services within 24 hours or less. Our professional and knowledgeable staff have a combined experience of over 12 years within the construction, air duct cleaning, and landscaping industries, ensuring guaranteed satisfaction with every job. We pride ourselves in providing a safe, hazard-free environment and maintaining respectful, cordial communications with all of our clients. All technicians can be relied on to keep project sites clean both during and after the work is complete.
"Reached out to get our gutters cleaned. David was very responsive and offered a reasonable rate. Did the job quickly and thoroughly, sent lots of pictures and video of the finished work. Very satisfied, would definitely recommend"
Isaac D on October 2025
Based in West Haven, Connecticut, our team has provided an excellent, affordable service to more than thousands of houses over the years. We are committed to supporting our customers throughout the evaluation process, during the service itself and are available to answer any queries once the work is complete. We are a licensed and fully insured company aiming to respond to all requests involving our services within 24 hours or less. Our professional and knowledgeable staff have a combined experience of over 12 years within the construction, air duct cleaning, and landscaping industries, ensuring guaranteed satisfaction with every job. We pride ourselves in providing a safe, hazard-free environment and maintaining respectful, cordial communications with all of our clients. All technicians can be relied on to keep project sites clean both during and after the work is complete.
"Reached out to get our gutters cleaned. David was very responsive and offered a reasonable rate. Did the job quickly and thoroughly, sent lots of pictures and video of the finished work. Very satisfied, would definitely recommend"
Isaac D on October 2025

H L Bowman
H L Bowman
HL Bowman has been in the same location for 38 years and owned by the same family for over 65 years. HL Bowman is a non commission based company. HL Bowman employees will never upsell you a product you don't need. Dennis and Bryan Enders and his family have deep roots in the Harrisburg community. After 65 years Dennis and family stay committed to giving the community the best possible service and product to fit their needs. HL Bowman has won Angie's List super service award every year.
"Exceptional service from the initial diagnosis to repair, superb team. I appreciated everyone's thoroughness, willingness and honest business tactics. They provided a safe environment for me to ask questions and we explored all options. Ultimately, Joshua, sealed the deal by being caring and understanding. His expertise showed but most importantly his work ethics and integrity was felt. Many thanks to the whole team Brett, Joshua, Jason and Peter delivered Top notch service. Lastly, the communication was A+. Loved receiving text messages with photo id's, true professionals. Highly recommend! You won't be disappointed!"
angela w on August 2025
HL Bowman has been in the same location for 38 years and owned by the same family for over 65 years. HL Bowman is a non commission based company. HL Bowman employees will never upsell you a product you don't need. Dennis and Bryan Enders and his family have deep roots in the Harrisburg community. After 65 years Dennis and family stay committed to giving the community the best possible service and product to fit their needs. HL Bowman has won Angie's List super service award every year.
"Exceptional service from the initial diagnosis to repair, superb team. I appreciated everyone's thoroughness, willingness and honest business tactics. They provided a safe environment for me to ask questions and we explored all options. Ultimately, Joshua, sealed the deal by being caring and understanding. His expertise showed but most importantly his work ethics and integrity was felt. Many thanks to the whole team Brett, Joshua, Jason and Peter delivered Top notch service. Lastly, the communication was A+. Loved receiving text messages with photo id's, true professionals. Highly recommend! You won't be disappointed!"
angela w on August 2025

Winners Sewer & Drain
Winners Sewer & Drain
Winners Sewer & Drain is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
"Was great expiernece very educated person who knows what he is doing on top of that he is honest and will not steer you wrong reccomend highly !!"
steven m on September 2025
Winners Sewer & Drain is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
"Was great expiernece very educated person who knows what he is doing on top of that he is honest and will not steer you wrong reccomend highly !!"
steven m on September 2025

Gallery Of Kitchens & Baths
Gallery Of Kitchens & Baths
Gallery of kitchens specializes in interior and cabinetry design and has remodeling experience for over 40 years. We assist you in increasing the value of your home and creating a timeless look with a full service turn-key solution. We welcome homeowners, designers and contractors to benefit from our products and services with free consultation and design. Our showroom is full of many cabinet lines to choose from. Additional hours - Mon-Fri 9:00 AM-5:00 PM; Sat 9:00 AM-4:00 PM. 1027 Post Road East, Westport, CT. 06880 203-226-7550. Website. Galleryofkitchens.com. Email. [email protected]
"Great experience! The renovation that their crew did exceeded our expectations in every way. They were knowledgeable, efficient, and dedicated to delivering the highest quality. We love how the space looks now – it’s exactly what we envisioned!"
George L on January 2025
Gallery of kitchens specializes in interior and cabinetry design and has remodeling experience for over 40 years. We assist you in increasing the value of your home and creating a timeless look with a full service turn-key solution. We welcome homeowners, designers and contractors to benefit from our products and services with free consultation and design. Our showroom is full of many cabinet lines to choose from. Additional hours - Mon-Fri 9:00 AM-5:00 PM; Sat 9:00 AM-4:00 PM. 1027 Post Road East, Westport, CT. 06880 203-226-7550. Website. Galleryofkitchens.com. Email. [email protected]
"Great experience! The renovation that their crew did exceeded our expectations in every way. They were knowledgeable, efficient, and dedicated to delivering the highest quality. We love how the space looks now – it’s exactly what we envisioned!"
George L on January 2025

Old Faithful Pump Co
Old Faithful Pump Co
We are an owner/operator company with 17 years of experience. We are committed to offering honest service and competitive prices. We use quality material and perform work to the highest standard to ensure longevity of the equipment you will rely on every day. We are a full service well pump & water treatment company offering 24 Hour Emergency Pump Service.We also offer water testing, water filtration, UV lights, water softeners and installation and service of water tanks.
"Joe is very experienced and very professional to replace my well pump, bring up the well cap to above ground level and installed house water filter. He discussed the job in detail and gave a fair quote. He came on time and did the job at high quality. He cleaned up everything before he finish. He took the 5% Angies list coupon as well. Will use him again and highly recommended if you need well pump service!"
Zeqiang G on September 2018
We are an owner/operator company with 17 years of experience. We are committed to offering honest service and competitive prices. We use quality material and perform work to the highest standard to ensure longevity of the equipment you will rely on every day. We are a full service well pump & water treatment company offering 24 Hour Emergency Pump Service.We also offer water testing, water filtration, UV lights, water softeners and installation and service of water tanks.
"Joe is very experienced and very professional to replace my well pump, bring up the well cap to above ground level and installed house water filter. He discussed the job in detail and gave a fair quote. He came on time and did the job at high quality. He cleaned up everything before he finish. He took the 5% Angies list coupon as well. Will use him again and highly recommended if you need well pump service!"
Zeqiang G on September 2018

E and R Mechanical
E and R Mechanical
We pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects, no matter how big, or small. We are experts in our trade, and will always keep you educated on your particular task or project. We look forward to earning your business.
"Installed a new Rheem gas water heater right away. Great price. Quick -efficient service. I will be using them for a new boiler in a few months thank you!"
Renee D on August 2025
We pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects, no matter how big, or small. We are experts in our trade, and will always keep you educated on your particular task or project. We look forward to earning your business.
"Installed a new Rheem gas water heater right away. Great price. Quick -efficient service. I will be using them for a new boiler in a few months thank you!"
Renee D on August 2025

Sila Heating, Cooling and Plumbing
Sila Heating, Cooling and Plumbing
Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila 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. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!
"I have had Sila come to do work at my home on several occasions. They have been fair and their technicians have always been knowledgeable and helpful to my home improvement needs."
Theresa H on January 2026
Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila 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. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!
"I have had Sila come to do work at my home on several occasions. They have been fair and their technicians have always been knowledgeable and helpful to my home improvement needs."
Theresa H on January 2026

Aldos plumbing
Aldos plumbing
At Aldo's Plumbing, serving the Tri-State Area, we prioritize customer satisfaction. Our expertise in water heaters ensures that your home projects are handled with care. Contact us today for a seamless experience!
"Aldo replaced an ancient water boiler neatly and quickly. "
James Z on December 2025
At Aldo's Plumbing, serving the Tri-State Area, we prioritize customer satisfaction. Our expertise in water heaters ensures that your home projects are handled with care. Contact us today for a seamless experience!
"Aldo replaced an ancient water boiler neatly and quickly. "
James Z on December 2025

Tapia Home Improvement
Tapia Home Improvement
Free housecleaning with whole-house paint project and special pricing for Angie's Members. Tapia Home Improvement is a locally owned and operated company with over 13 years of experience in our trade. We specialize in home improvement projects with services including: Remodeling (General, Kitchen & Bathroom), Painting (Interior & Exterior), Drywall/Sheetrock, Ceramic Tile, Flooring, Cabinets, Counter-tops and much more. We pride ourselves in the quality of our work and our unparalleled customer satisfaction. We strive to provide the highest levels of customer service. Call us today to schedule an appointment.
"Excellent. On time finished the job with high detail. Crew was very thorough and on time. Miguel is a expert contractor and I enjoy working with him"
Ray D on August 2024
Free housecleaning with whole-house paint project and special pricing for Angie's Members. Tapia Home Improvement is a locally owned and operated company with over 13 years of experience in our trade. We specialize in home improvement projects with services including: Remodeling (General, Kitchen & Bathroom), Painting (Interior & Exterior), Drywall/Sheetrock, Ceramic Tile, Flooring, Cabinets, Counter-tops and much more. We pride ourselves in the quality of our work and our unparalleled customer satisfaction. We strive to provide the highest levels of customer service. Call us today to schedule an appointment.
"Excellent. On time finished the job with high detail. Crew was very thorough and on time. Miguel is a expert contractor and I enjoy working with him"
Ray D on August 2024
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.

The average boiler installation cost depends on size, system type, and other factors. Keep reading to learn the cost of a new boiler in New York City.
•Discover the average electric boiler installation cost, key price factors, and ways to save. Get transparent, expert-backed estimates for your project.

The cost of boiler repair depends on the specific issue. Read our expert guide, which breaks down boiler service costs so you can budget accordingly.

Discover the many differences between a boiler and a water heater, from their main functions and pricing to options, lifespan, DIY-ability, and more.

Installing a boiler requires care and precaution. Use this checklist to install a boiler safely.

Boilers are a fast, efficient way to heat homes with radiant heat. If you’re interested in a new system, here’s how long it will take to set it up.
- Riverside, CT Boiler installation pros
- Old Greenwich, CT Boiler installation pros
- Greenwich, CT Boiler installation pros
- Stamford, CT Boiler installation pros
- Rye Brook, NY Boiler installation pros
- Port Chester, NY Boiler installation pros
- Darien, CT Boiler installation pros
- Purchase, NY Boiler installation pros
- Rye, NY Boiler installation pros
- West Harrison, NY Boiler installation pros
- Armonk, NY Boiler installation pros
- Harrison, NY Boiler installation pros
- New Canaan, CT Boiler installation pros
- Norwalk, CT Boiler installation pros
- Bedford, NY Boiler installation pros
- White Plains, NY Boiler installation pros
- Bayville, NY Boiler installation pros
- Mamaroneck, NY Boiler installation pros
- Valhalla, NY Boiler installation pros
- Thornwood, NY Boiler installation pros
- Hawthorne, NY Boiler installation pros
- Hartsdale, NY Boiler installation pros
- Mill Neck, NY Boiler installation pros
- Larchmont, NY Boiler installation pros
- Scarsdale, NY Boiler installation pros
- Pleasantville, NY Boiler installation pros
- Elmsford, NY Boiler installation pros
- Locust Valley, NY Boiler installation pros
- Pound Ridge, NY Boiler installation pros
- Chappaqua, NY Boiler installation pros
- 🌱 "Mow a small front yard"
- 🛠 "Fix a leaking pipe under the sink"
- 🏠 "Repair shingles on an asphalt roof"









