Top-rated geothermal heating or cooling system installers.

Get matched with top geothermal heating or cooling system installers in your area

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Geothermal heating or cooling system installers in Thornwood

Avatar for Bell Mechanical
Bell Mechanical
PO Box 232
4.40(
91
)
Approved Pro
Bell Mechanical
PO Box 232
4.40(
91
)
Approved Pro
Customers say: Quick response
21 local quotes requested
45 years of experience

Since 1980 Bell Heating and Air Conditioning has been serving Westchester and Putnam with quality comfort systems and components for your home or business. From those early days we have grown to become one of the largest heating and cooling contractors in the area. While many of the others have quit doing business or have sold out to consolidators, we are still locally owned and operated with family still involved in the business. Al and Keith Bell have over 50 years of combined experience in both residential and commercial installation and service. As a family owned business, living and working in the community, we strive to ensure your comfort and exceed your expectations. We accomplish this by providing the most reliable equipment and by promising properly installed heating and cooling systems. We promise to you that our HVAC installation and service are an honest, durable investment for your home or business. We will tailor the right equipment for each application, to provide you the best return on your comfort investment. We promise we won�t treat you like a number in our computer; we will work with you as a person, address your individual needs, and strive to insure your are more than satisfied with your work.

"Heat pump put in"

Danielle Franco G on December 2024

Since 1980 Bell Heating and Air Conditioning has been serving Westchester and Putnam with quality comfort systems and components for your home or business. From those early days we have grown to become one of the largest heating and cooling contractors in the area. While many of the others have quit doing business or have sold out to consolidators, we are still locally owned and operated with family still involved in the business. Al and Keith Bell have over 50 years of combined experience in both residential and commercial installation and service. As a family owned business, living and working in the community, we strive to ensure your comfort and exceed your expectations. We accomplish this by providing the most reliable equipment and by promising properly installed heating and cooling systems. We promise to you that our HVAC installation and service are an honest, durable investment for your home or business. We will tailor the right equipment for each application, to provide you the best return on your comfort investment. We promise we won�t treat you like a number in our computer; we will work with you as a person, address your individual needs, and strive to insure your are more than satisfied with your work.

"Heat pump put in"

Danielle Franco G on December 2024


Air Professional Associates, LLC
39 Fields Lane
4.45(
73
)
Approved Pro
Air Professional Associates, LLC
39 Fields Lane
4.45(
73
)
Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
42 local quotes requested

Air Professional Associates, LLC, 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 customer's interests and make their concerns the basis of our business.

"I have a contract and 2xs now they have cancelled yearly service for furnace and ac!! Appts that were made mnths in advance. I told them they have to come on designated day.very frustrating."

Joan M on November 2024

Air Professional Associates, LLC, 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 customer's interests and make their concerns the basis of our business.

"I have a contract and 2xs now they have cancelled yearly service for furnace and ac!! Appts that were made mnths in advance. I told them they have to come on designated day.very frustrating."

Joan M on November 2024


Avatar for County Comfort Home Solutions
County Comfort Home Solutions
New on HomeAdvisorNew on Angi
Approved Pro
County Comfort Home Solutions
New on AngiNew on HomeAdvisor
Approved Pro
415 local quotes requested

Delivering expert comfort solutions to Westchester and Putnam counties, we specialize in heat pumps, solar energy systems, electrical services, and insulation. With a focus on energy efficiency, sustainability, and modern technology, our team is committed to helping homeowners and businesses reduce their energy costs while enhancing indoor comfort year-round. From high-performance heat pump installations to comprehensive solar panel systems and professional-grade insulation, we offer integrated solutions designed to meet the unique needs of each property. Our licensed professionals bring years of experience and a customer-first approach to every project, ensuring reliable service, honest guidance, and long-term performance. Whether you're upgrading your HVAC system, exploring renewable energy options, or improving your home's energy envelope, we are your trusted partner for smart, efficient, and sustainable comfort.

Delivering expert comfort solutions to Westchester and Putnam counties, we specialize in heat pumps, solar energy systems, electrical services, and insulation. With a focus on energy efficiency, sustainability, and modern technology, our team is committed to helping homeowners and businesses reduce their energy costs while enhancing indoor comfort year-round. From high-performance heat pump installations to comprehensive solar panel systems and professional-grade insulation, we offer integrated solutions designed to meet the unique needs of each property. Our licensed professionals bring years of experience and a customer-first approach to every project, ensuring reliable service, honest guidance, and long-term performance. Whether you're upgrading your HVAC system, exploring renewable energy options, or improving your home's energy envelope, we are your trusted partner for smart, efficient, and sustainable comfort.


Avatar for William Soto
William Soto
56 Old Mill Road
5.00(
8
)
Approved Pro
William Soto
56 Old Mill Road
5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
791 local quotes requested

We specialize in handyman services, home repairs, home improvements, painting, flooring, ceiling fan installs, TV mounting, furniture assembly, and more! We are fully licensed and insured. We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"As a first time homeowner, finding a trustworthy handyman with integrity isn’t easy. During the past year, William has provided guidance in various jobs. I had different types of windows that needed to be replaced. William ensured accuracy when measuring and installing my custom windows. William also provided an assessment on my roof which needed to be replaced. William’s pricing, are reasonable and best of all he is a phone call away when I need him."

Damasol B on December 2024

We specialize in handyman services, home repairs, home improvements, painting, flooring, ceiling fan installs, TV mounting, furniture assembly, and more! We are fully licensed and insured. We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"As a first time homeowner, finding a trustworthy handyman with integrity isn’t easy. During the past year, William has provided guidance in various jobs. I had different types of windows that needed to be replaced. William ensured accuracy when measuring and installing my custom windows. William also provided an assessment on my roof which needed to be replaced. William’s pricing, are reasonable and best of all he is a phone call away when I need him."

Damasol B on December 2024


Avatar for Handyman of Westchester, LLC
Handyman of Westchester, LLC
352 Sherman Avenue
4.80(
20
)
Approved Pro
Handyman of Westchester, LLC
352 Sherman Avenue
4.80(
20
)
Approved Pro
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
409 local quotes requested

home maintenance and repair needs, painting, handyman services, security cameras, smart locks and smart doorbells, ring and nest doorbell, closet storage solutions, TV mounting, mobility aids and grab handles for elderly assistance, window treatments, shelving, picture and portrait hanging

"Lou and James did an outstanding job fixing our fireproof door. From the moment they arrived, their professionalism was evident. They quickly assessed the issue, clearly explained the necessary repairs, and got to work with impressive efficiency. Not only did they ensure the door was fully compliant with safety regulations, but they also paid close attention to the smaller details, leaving the area clean and tidy. We're incredibly grateful for their expertise and the peace of mind knowing our fireproof door is now in perfect working order. Highly recommend their services!"

Frank M on July 2025

home maintenance and repair needs, painting, handyman services, security cameras, smart locks and smart doorbells, ring and nest doorbell, closet storage solutions, TV mounting, mobility aids and grab handles for elderly assistance, window treatments, shelving, picture and portrait hanging

"Lou and James did an outstanding job fixing our fireproof door. From the moment they arrived, their professionalism was evident. They quickly assessed the issue, clearly explained the necessary repairs, and got to work with impressive efficiency. Not only did they ensure the door was fully compliant with safety regulations, but they also paid close attention to the smaller details, leaving the area clean and tidy. We're incredibly grateful for their expertise and the peace of mind knowing our fireproof door is now in perfect working order. Highly recommend their services!"

Frank M on July 2025


Supreme Home Services
Based Out Of
4.92(
12
)
Approved Pro
Supreme Home Services
Based Out Of
4.92(
12
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1393 local quotes requested

Supreme Home Services: Your trusted choice for professional handyman services in the Tri-State Area. With our expertise and attention to detail, we deliver flawless results that transform your home. Contact us today!

"Steve was very helpful to help me dealing with several tasks that I could not do by myself. He is knowledgable and patience to answer my questions. Will definitely to hire the service again. Thank you."

YH L on January 2025

Supreme Home Services: Your trusted choice for professional handyman services in the Tri-State Area. With our expertise and attention to detail, we deliver flawless results that transform your home. Contact us today!

"Steve was very helpful to help me dealing with several tasks that I could not do by myself. He is knowledgable and patience to answer my questions. Will definitely to hire the service again. Thank you."

YH L on January 2025


Avatar for Royal Comfort
Royal Comfort
P.O. Box 718
5.00(
9
)
Approved Pro
Royal Comfort
P.O. Box 718
5.00(
9
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
511 local quotes requested

As proud Westchester-based experts, we deliver unrivaled care and service to make our customers Feel Like Royalty. With decades of mastery, we specialize in a wide variety of residential and commercial HVAC services. Need assistance day or night? We've got your back, with 24/7 emergency HVAC services! Experience top-notch quality work with a friendly and knowledgeable Team. Contact us now for the Royal Comfort treatment you deserve!

"Quality work replacing condenser/compressor units. Fast turnaround, very responsive, no pressure pro. Highly recommended."

Alexander S on March 2025

As proud Westchester-based experts, we deliver unrivaled care and service to make our customers Feel Like Royalty. With decades of mastery, we specialize in a wide variety of residential and commercial HVAC services. Need assistance day or night? We've got your back, with 24/7 emergency HVAC services! Experience top-notch quality work with a friendly and knowledgeable Team. Contact us now for the Royal Comfort treatment you deserve!

"Quality work replacing condenser/compressor units. Fast turnaround, very responsive, no pressure pro. Highly recommended."

Alexander S on March 2025


Avatar for Sila Heating, Cooling and Plumbing
Sila Heating, Cooling and Plumbing
55 Lafayette Ave
4.49(
856
)
Approved Pro
Sila Heating, Cooling and Plumbing
55 Lafayette Ave
4.49(
856
)
Approved Pro
Customers say: Super punctual
2436 local quotes requested
36 years of experience

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


Avatar for Bell Mechanical, LLC
Bell Mechanical, LLC
200 Rte 6
4.16(
104
)
Approved Pro
Bell Mechanical, LLC
200 Rte 6
4.16(
104
)
Approved Pro
Customers say: Super punctual
1123 local quotes requested
45 years of experience

Bell Mechanical, LLC is a customer focused heating and air-conditioning company that was originally started in 1980. Located in Mahopac, NY, we employ highly trained people whose goal is to make our company the best service company in Westchester, Dutchess, Putnam and Fairfield County. Our company specializes in designing, engineering, and installing complete comfort systems for owners of existing homes and buildings just like yours. We take special pride in the craftsmen we train and employ--a fact you'll notice immediately in the attitude and integrity they bring to your job site. Our entire company works hard to make your experience with us hassle-free and enjoyable. Should we make a mistake, we will do everything in our power to correct it to your satisfaction. From the professionalism of our sales engineers, to the dedication of our field personnel, we are dedicated to delivering you the best. We take our responsibility very seriously when you place your trust in us. We pledge to always tell you up front what your cost will be to complete your job correctly. We make it a point to go over any details or limitations of the proposed system that will affect your enjoyment of the end result. You are told exactly what to expect up front. This is why Bell Mechanical continues growing with more satisfied customers each and every year. Give us a call for your service needs and see what you've been missing!

"Matt and Phillip arrived on time. They discussed how they were going to install unit. They covered all floors with covers so not to dirty house. They were diligent, polite and answered every question. Installed unit the same day. At the end of the job, they went over the manuals and showed us the use of the unit. Everything went smoothly and unit works great."

Tom K on May 2018

Bell Mechanical, LLC is a customer focused heating and air-conditioning company that was originally started in 1980. Located in Mahopac, NY, we employ highly trained people whose goal is to make our company the best service company in Westchester, Dutchess, Putnam and Fairfield County. Our company specializes in designing, engineering, and installing complete comfort systems for owners of existing homes and buildings just like yours. We take special pride in the craftsmen we train and employ--a fact you'll notice immediately in the attitude and integrity they bring to your job site. Our entire company works hard to make your experience with us hassle-free and enjoyable. Should we make a mistake, we will do everything in our power to correct it to your satisfaction. From the professionalism of our sales engineers, to the dedication of our field personnel, we are dedicated to delivering you the best. We take our responsibility very seriously when you place your trust in us. We pledge to always tell you up front what your cost will be to complete your job correctly. We make it a point to go over any details or limitations of the proposed system that will affect your enjoyment of the end result. You are told exactly what to expect up front. This is why Bell Mechanical continues growing with more satisfied customers each and every year. Give us a call for your service needs and see what you've been missing!

"Matt and Phillip arrived on time. They discussed how they were going to install unit. They covered all floors with covers so not to dirty house. They were diligent, polite and answered every question. Installed unit the same day. At the end of the job, they went over the manuals and showed us the use of the unit. Everything went smoothly and unit works great."

Tom K on May 2018


Avatar for Abel Air
Abel Air
134 Locust Avenue
5.00(
10
)
Approved Pro
Abel Air
134 Locust Avenue
5.00(
10
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
626 local quotes requested

Abel Air Conditioning & Heating Systems of White Plains, NY has provided best-in-class heating, air conditioning and related services to Westchester County for a quarter century. We are a insured, family-owned HVAC contractor with expertise in all cooling and heating system installations and repairs. We have an A+ rating with the BBB and specialize in emergency HVAC equipment replacement. In addition, we also provide 24/7 emergency service.

"Abel Air came to the rescue! Doug was a godsend for us on one of the coldest days of the winter. He replaced our boiler in a timely manner and did so within the quoted price he first gave us. There was some wrinkles and additional work he did not expect, but he did it all for the same price he initially quoted. Doug and his team are thorough, communicative and completely professional. I would recommend Abel Air for all your HVAC needs. Doug is also one of the nicest guys we have encountered to do work on our home."

Jason R on January 2023

Abel Air Conditioning & Heating Systems of White Plains, NY has provided best-in-class heating, air conditioning and related services to Westchester County for a quarter century. We are a insured, family-owned HVAC contractor with expertise in all cooling and heating system installations and repairs. We have an A+ rating with the BBB and specialize in emergency HVAC equipment replacement. In addition, we also provide 24/7 emergency service.

"Abel Air came to the rescue! Doug was a godsend for us on one of the coldest days of the winter. He replaced our boiler in a timely manner and did so within the quoted price he first gave us. There was some wrinkles and additional work he did not expect, but he did it all for the same price he initially quoted. Doug and his team are thorough, communicative and completely professional. I would recommend Abel Air for all your HVAC needs. Doug is also one of the nicest guys we have encountered to do work on our home."

Jason R on January 2023

...
Showing 1-10 of 970
The Thornwood, NY homeowners’ guide to geothermal heating or cooling system installations
From average costs to expert advice, get all the answers you need to get your job done.
heat pumps installed on the side of a brick house
Jun 23, 2025
Jun 23, 2025
Use this guide to estimate heat pump costs based on factors like system size, type, efficiency rating, and location.
technician repairing solar panel on roof
Apr 30, 2025
Apr 30, 2025
Budget for solar panel repair costs based on factors such as system type, panel size, accessibility, repair type, labor, parts, inspections, and more.
new solar panels installed on roof of home
Apr 30, 2025
Apr 30, 2025
Budget for solar panel installation costs based on factors such as system size, panel type, electrical requirements, location, rebates, maintenance, and more.
Aerial view of a Solar photovoltaic panels on a wood house roof surrounded by green vegetation
Nov 18, 2022
Nov 18, 2022
HomeAdvisor’s Solar Panel Cost Guide explores the cost of solar panels in California. Use our guide to find out how much solar panels cost in your city.
heat pump being repaired on the side of house
Apr 19, 2025
Apr 19, 2025
Use this guide to budget for heat pump repair costs based on factors such as problem type, part, heat pump type, professional labor, and more.
HVAC return air wall register vent
Apr 16, 2025
Apr 16, 2025
Wondering about ductwork installation costs for your home? Explore pricing breakdowns by material type, home size, and testing requirements.
Share project details to get started.