
Get matched with top boiler installation pros in Thornwood, NY
There are 15 highly-rated local boiler installation pros.
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Verified Reviews for Boiler Installation pros in Thornwood, NY
*The Angi rating for Boiler Installation companies in Thornwood, NY 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 Thornwood, NY 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 November 19, 2025
Find Boiler installation pros in Thornwood

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!
"Did a great job"
Susan S on March 2025
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!
"Did a great job"
Susan S on March 2025
Astacio Plumbing & Heating
Astacio Plumbing & Heating
What sets Astacio Plumbing and Heating apart from the rest of the field is the use of cutting edge technology to increase reliability, save you time and money, and improve safety on the job. Rich stays up-to-date on all the latest developments in plumbing and heating technology to determine how best to serve his customers. His trucks all carry the tools to get the job done on time and on budget, with as little disruption as possible. Astacio Plumbing and Heating has also spent years developing strong relationships with the best companies in the plumbing and heating business so that they can provide great service to you, quick delivery of replacement parts, and reasonable prices on excellent products. See website for additional service area. Additional email - [email protected].
"Dreadful experience. We had been customers of Astacio since 2015 when they installed our first tankless boiler which failed completely after 7 years and needed to be replaced in late 2022. ($10,000+) Their second one just stopped working; a dodgy board? The part is under warranty but they want almost $1,000 to replace it in the boiler; probably less than 2 hours work. I thought they used to be a good local business with ties to the community but be careful; their tankless boilers are unreliable and they'll try to rip you off when your heat goes out in the winter. So much for standing by their work. I'll never use them again."
CATHAL C on December 2024
What sets Astacio Plumbing and Heating apart from the rest of the field is the use of cutting edge technology to increase reliability, save you time and money, and improve safety on the job. Rich stays up-to-date on all the latest developments in plumbing and heating technology to determine how best to serve his customers. His trucks all carry the tools to get the job done on time and on budget, with as little disruption as possible. Astacio Plumbing and Heating has also spent years developing strong relationships with the best companies in the plumbing and heating business so that they can provide great service to you, quick delivery of replacement parts, and reasonable prices on excellent products. See website for additional service area. Additional email - [email protected].
"Dreadful experience. We had been customers of Astacio since 2015 when they installed our first tankless boiler which failed completely after 7 years and needed to be replaced in late 2022. ($10,000+) Their second one just stopped working; a dodgy board? The part is under warranty but they want almost $1,000 to replace it in the boiler; probably less than 2 hours work. I thought they used to be a good local business with ties to the community but be careful; their tankless boilers are unreliable and they'll try to rip you off when your heat goes out in the winter. So much for standing by their work. I'll never use them again."
CATHAL C on December 2024

ALL PRO CLIMATE CONTROL'S CORPORATION
ALL PRO CLIMATE CONTROL'S CORPORATION
ALL PRO CLIMATE CONTROL'S CORPORATION is the leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!
ALL PRO CLIMATE CONTROL'S CORPORATION is the leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

ImpresaConstruction inc
ImpresaConstruction inc
26+ years of experience! Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business, we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!
"Excellent work from Eddy. He has completed remodeled my entire first floor including kitchen, and basement with bathroom. Very personable and easy to work with. I will be hiring again for some work in my garage."
Gregg G on March 2025
26+ years of experience! Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business, we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!
"Excellent work from Eddy. He has completed remodeled my entire first floor including kitchen, and basement with bathroom. Very personable and easy to work with. I will be hiring again for some work in my garage."
Gregg G on March 2025

Mitchel David
Mitchel David
Mitchel David 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. We have over 4 years of experience.
Mitchel David 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. We have over 4 years of experience.

Flowkeeper Inc.
Flowkeeper Inc.
Here at Flowkeeper Inc., we are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of sewer and drain services. You will find us to be competitively priced with close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!
"I would really recommend this company they did a great job great communication!"
Refoel S on April 2022
Here at Flowkeeper Inc., we are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of sewer and drain services. You will find us to be competitively priced with close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!
"I would really recommend this company they did a great job great communication!"
Refoel S on April 2022

Home Innovation
Home Innovation
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
"The person they sent was very professional. I am very pleased with the work he completed. He was knowledgeable and patient with all my questions. I wo6ls definitely call them again for other projects."
Fay M on November 2025
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
"The person they sent was very professional. I am very pleased with the work he completed. He was knowledgeable and patient with all my questions. I wo6ls definitely call them again for other projects."
Fay M on November 2025

Corri General Construction
Corri General Construction
While Corri General Construction might be new, we have over 20 years of experience in the business. Here at Corri General Construction, we pride our company on reliability, great communication, integrity, fair pricing and high quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
"Honest and ready to work. He looked at the issue and came up with the right solution. Then immediately handled the repair. His price was also reasonable "
ALAMI B on October 2025
While Corri General Construction might be new, we have over 20 years of experience in the business. Here at Corri General Construction, we pride our company on reliability, great communication, integrity, fair pricing and high quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
"Honest and ready to work. He looked at the issue and came up with the right solution. Then immediately handled the repair. His price was also reasonable "
ALAMI B on October 2025
Antonio Massa Company
Antonio Massa Company
Antonio Massa Company is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 25 years of experience serving New City, NY and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!
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Mark S on January 2019
Antonio Massa Company is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 25 years of experience serving New City, NY and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!
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Mark S on January 2019

Reliable Pipe Repair & Drain Cleaning, Inc.
Reliable Pipe Repair & Drain Cleaning, Inc.
Welcome to Reliable Pipe Repair & Drain Cleaning, Inc.! When it comes to your home's plumbing needs, turn to our professionals. We are happy to come out and look at your home's issues. Call today to see why we come so highly recommended! **unable to work within apartment/commercial properties - residential properties only**
"A good, effettive and professionali job. They were neat, courteous and kept their word on what they planned to do. I was very sstisfied. Would highly recommend this company "
Joseph M on October 2025
Welcome to Reliable Pipe Repair & Drain Cleaning, Inc.! When it comes to your home's plumbing needs, turn to our professionals. We are happy to come out and look at your home's issues. Call today to see why we come so highly recommended! **unable to work within apartment/commercial properties - residential properties only**
"A good, effettive and professionali job. They were neat, courteous and kept their word on what they planned to do. I was very sstisfied. Would highly recommend this company "
Joseph M on October 2025
The Thornwood, NY homeowners’ guide to boiler installation services
From average costs to expert advice, get all the answers you need to get your job done.

Learn about the different factors that go into water heater gas valve replacement costs to see if you should DIY the project or call a pro.

A water heater flush costs $160 on average but can vary based on the unit size, type, labor, location, and more. Keep reading to learn how much you could pay.

Running out of hot water too quickly or hearing strange noises when you call for hot water? Use this water heater repair cost guide to see what a fix will cost.

Learn the pros and cons of gas water heaters and electric water heaters. Find out which one is the best option for your home.

Gas water heater not lighting? There are a handful of reasons an issue like this happens, but most of the causes are simple and inexpensive to fix.

The right water heater wire size keeps your home safe and your water hot. Learn how to choose which size your household needs.
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