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Thermostat installers and replacers in Cornwall

Avatar for North Crest, LLC
North Crest, LLC
35 Sherman Ave
4.98(
45
)
Approved Pro
North Crest, LLC
35 Sherman Ave
4.98(
45
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
5 years of experience

North Crest LLC is committed to excellence in every aspect of our electrical business. While we are relatively new in business, we have been doing many aspects of electrical work for over 30 years. 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. Please call to set up an appointment and allow us to earn your business. North Crest, LLC is licensed and permitted in New Jersey. We are also Licensed in Rockland County, New York.

"Great job! Very professional and a pleasure to do business with. We’d definitely use his services again."

Aviv W on March 2025

North Crest LLC is committed to excellence in every aspect of our electrical business. While we are relatively new in business, we have been doing many aspects of electrical work for over 30 years. 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. Please call to set up an appointment and allow us to earn your business. North Crest, LLC is licensed and permitted in New Jersey. We are also Licensed in Rockland County, New York.

"Great job! Very professional and a pleasure to do business with. We’d definitely use his services again."

Aviv W on March 2025


Avatar for Hudson Valley HVAC
Hudson Valley HVAC
246 Country Club Drive
4.82(
54
)
Approved Pro
Hudson Valley HVAC
246 Country Club Drive
4.82(
54
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
11 years of experience

In Business Since: 2014 In the industry since 1991, Hudson Valley HVAC, is your go to company for all your heating, cooling, and water treatment needs! We believe in an unparalleled attention to detail and a personable service like nothing you have ever experienced before. Give us a call and find out why we are Orange County's preferred HVAC service! BBB A+ rated Home Advisor 5 seals of Excellence Badges, including Elite Service Contractor. Be assured throughout this Global Pandemic, as a business in this essential HVAC Industry, we are taking all steps and measures to protect our clients as well as ourselves. Stay safe, be well. Financing Application Link: https://www.ffcapplication.com/?i=dSiJJLUfQM7onPhJRALIxoPaMaQVUUllvZjAL0TKsKo=

"This review is long overdue, we replaced our furnace end of February 2023. After getting a couple of quotes, I called Hudson Valley HVAC. Personable and professional, Mitch went over everything that needed to be done, remove and replace furnace informed me of the procedures they would use and gave me a fair estimate of job. He showed up on time, work was performed very efficiently and neatly. Highly recommend"

Richard Y on January 2024

In Business Since: 2014 In the industry since 1991, Hudson Valley HVAC, is your go to company for all your heating, cooling, and water treatment needs! We believe in an unparalleled attention to detail and a personable service like nothing you have ever experienced before. Give us a call and find out why we are Orange County's preferred HVAC service! BBB A+ rated Home Advisor 5 seals of Excellence Badges, including Elite Service Contractor. Be assured throughout this Global Pandemic, as a business in this essential HVAC Industry, we are taking all steps and measures to protect our clients as well as ourselves. Stay safe, be well. Financing Application Link: https://www.ffcapplication.com/?i=dSiJJLUfQM7onPhJRALIxoPaMaQVUUllvZjAL0TKsKo=

"This review is long overdue, we replaced our furnace end of February 2023. After getting a couple of quotes, I called Hudson Valley HVAC. Personable and professional, Mitch went over everything that needed to be done, remove and replace furnace informed me of the procedures they would use and gave me a fair estimate of job. He showed up on time, work was performed very efficiently and neatly. Highly recommend"

Richard Y on January 2024


Avatar for Quality Home Services Plumbing Heating & Air Conditioning
Quality Home Services Plumbing Heating & Air Conditioning
1275 Salt Point Turnpike
5.00(
6
)
Approved Pro
Quality Home Services Plumbing Heating & Air Conditioning
1275 Salt Point Turnpike
5.00(
6
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
9 years of experience

We are dedicated to providing our clients with the very best in installation, service and repair for every heating and cooling need. Our company is built on honesty and integrity. We specialize in heating and furnace systems, in addition to a variety of plumbing and HVAC related projects. We take pride in the quality of our work and our commitment to outstanding results & look forward to building long-term relationships with our clients. We guarantee your satisfaction. We install heat pumps, boilers, central ac systems, ductless ac systems, pool heaters and gas fireplaces. Fully licensed and insured

"This company should be called "High" Quality Home Services Plumbing Heating and AC. Large AC install done at a reasonable price with no hassles. Highly recommended."

Anthony N on April 2023

We are dedicated to providing our clients with the very best in installation, service and repair for every heating and cooling need. Our company is built on honesty and integrity. We specialize in heating and furnace systems, in addition to a variety of plumbing and HVAC related projects. We take pride in the quality of our work and our commitment to outstanding results & look forward to building long-term relationships with our clients. We guarantee your satisfaction. We install heat pumps, boilers, central ac systems, ductless ac systems, pool heaters and gas fireplaces. Fully licensed and insured

"This company should be called "High" Quality Home Services Plumbing Heating and AC. Large AC install done at a reasonable price with no hassles. Highly recommended."

Anthony N on April 2023


Avatar for Master Comfort, LLC
Master Comfort, LLC
1152 Sheridan Avenue, Apt. 4D
4.71(
7
)
Approved Pro
Master Comfort, LLC
1152 Sheridan Avenue, Apt. 4D
4.71(
7
)
Approved Pro
Customers say: Quick response
6 years of experience
Free onsite estimate

We at Master Comfort focus on quality projects over quantity. We use our years of experience and expertise to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed. Please call us today for an estimate. We look forward to working with you.

"They were professional, courteous and honest about accessing the situation with our refrigerator. There were never any questions they couldn’t answer, and the decision as to what we wanted to do was completely ours to make. We now have a working refrigerator again and all in about 90 minutes. I highly recommend these guys."

Joe P on April 2024

We at Master Comfort focus on quality projects over quantity. We use our years of experience and expertise to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed. Please call us today for an estimate. We look forward to working with you.

"They were professional, courteous and honest about accessing the situation with our refrigerator. There were never any questions they couldn’t answer, and the decision as to what we wanted to do was completely ours to make. We now have a working refrigerator again and all in about 90 minutes. I highly recommend these guys."

Joe P on April 2024


Avatar for Electric Plus
Electric Plus
12 Amundson Avenue
4.70(
247
)
Approved Pro
Electric Plus
12 Amundson Avenue
4.70(
247
)
Approved Pro
Customers say: True professional
112 local quotes requested
34 years of experience

Electric Plus, offers over 25+ years of experience and a labor and manufactures guarantee! We can take on a wide range of residential and commercial electrical projects, to include full installation for additions and remodels, as well as wiring/panel upgrades and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"Gerald’s communication was great, I had a last minute request which he was able to accommodate without price gouging me. He was able to solve my problem without in no time, and had it fixed before the day was done. "

Nate S on June 2025

Electric Plus, offers over 25+ years of experience and a labor and manufactures guarantee! We can take on a wide range of residential and commercial electrical projects, to include full installation for additions and remodels, as well as wiring/panel upgrades and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"Gerald’s communication was great, I had a last minute request which he was able to accommodate without price gouging me. He was able to solve my problem without in no time, and had it fixed before the day was done. "

Nate S on June 2025


Avatar for B-Dyson Electric
B-Dyson Electric
105 Dale Avenue
4.92(
97
)
Approved Pro
B-Dyson Electric
105 Dale Avenue
4.92(
97
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
8 years of experience

We offer over 20 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as wiring and panel upgrades and a variety of other jobs. We’re committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction. Located at 105 Dale Ave, Ossining 10562 or 3 Schnabl Court, Wappinger Falls 12590

"Great work and very professional. They installed the security cameras around my house and a fan in the attic."

Lupe V on June 2025

We offer over 20 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as wiring and panel upgrades and a variety of other jobs. We’re committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction. Located at 105 Dale Ave, Ossining 10562 or 3 Schnabl Court, Wappinger Falls 12590

"Great work and very professional. They installed the security cameras around my house and a fan in the attic."

Lupe V on June 2025


Avatar for Perimetech
Perimetech
20 South St
5.00(
4
)
Approved Pro
Perimetech
20 South St
5.00(
4
)
Approved Pro
Customers say: Quick response
11 years of experience
Warranties offered

Perimetech has many fields of expertise. We can build a home theater to recreate the visual and audio feeling of a real theater or install or tuneup your large screen TV and surround sound system in your living room. We install TVs of any size in any location. We can design a whole home audio system using brands like Sonos or dBx. Do you want a Smart Home? We can design a system that controls your lights, your television, your music, your coffee maker and your interaction with the Internet using brands like Google, Apple, LJ, Samsung and Alexa. We can design a complete home office computer network that will seamlessly integrate your business with your home. 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! Book with us online or feel free to give us a call today!

"He was very knowledgeable and professional. He took his time and looked over everything and out what the issue was. I would recommend him to anyone."

Steven T on June 2025

Perimetech has many fields of expertise. We can build a home theater to recreate the visual and audio feeling of a real theater or install or tuneup your large screen TV and surround sound system in your living room. We install TVs of any size in any location. We can design a whole home audio system using brands like Sonos or dBx. Do you want a Smart Home? We can design a system that controls your lights, your television, your music, your coffee maker and your interaction with the Internet using brands like Google, Apple, LJ, Samsung and Alexa. We can design a complete home office computer network that will seamlessly integrate your business with your home. 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! Book with us online or feel free to give us a call today!

"He was very knowledgeable and professional. He took his time and looked over everything and out what the issue was. I would recommend him to anyone."

Steven T on June 2025


Avatar for Sync Mechanical, Inc.
Sync Mechanical, Inc.
15 Apple Ln
5.00(
19
)
Approved Pro
Sync Mechanical, Inc.
15 Apple Ln
5.00(
19
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
579 local quotes requested

Family owned full service heating, cooling and refrigeration company with other 20 years experience. We are fully insured. We provide service in Orange , Sullivan, Ulster and Dutchess county.

"Sync mechanical was super professional and efficient. Family owned business very trusting and caring team. John was awesome at advising all kinds of different systems, and very honest for brand selection and pricing."

Helena G on May 2023

Family owned full service heating, cooling and refrigeration company with other 20 years experience. We are fully insured. We provide service in Orange , Sullivan, Ulster and Dutchess county.

"Sync mechanical was super professional and efficient. Family owned business very trusting and caring team. John was awesome at advising all kinds of different systems, and very honest for brand selection and pricing."

Helena G on May 2023


Avatar for John Carpenter Craftsmanship and Design
John Carpenter Craftsmanship and Design
3386 State Route 52
5.00(
3
)
Approved Pro
John Carpenter Craftsmanship and Design
3386 State Route 52
5.00(
3
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
27 years of experience

Construction Professional available to complete your Project on time and within your budget. Many years of diverse experience in all phases of Residential/Commercial Construction - from Journeyman Carpenter to Project Manager - will ensure your job is done safely, efficiently, and properly. No job too small, I provide Professional Handyman Services. Furniture, cabinets, IKEA assembly, TV mounting, and much more. Have a Project larger in scale? Allow me to offer a fair and transparent proposal.

"When John came to my house for the first time I asked him about some repair, and he said “I do it all.” It did not take long to find out he wasn’t kidding – he really DOES do it all, and he does it all VERY WELL. His skill impresses me more with each job he finishes. John excels in craftsmanship and communication, delivering finished projects that meet and exceed expectations, while also providing excellent customer service and attention to detail. He takes time to explain his ideas and the reasons for them. John’s expertise seems to have no limit, at least none that I know of. His estimates are more than fair. On top of all that, he’s a genuinely nice guy and a pleasure to know. I’m delighted with the decision to hire John, and I will absolutely do so again."

Patricia A on May 2025

Construction Professional available to complete your Project on time and within your budget. Many years of diverse experience in all phases of Residential/Commercial Construction - from Journeyman Carpenter to Project Manager - will ensure your job is done safely, efficiently, and properly. No job too small, I provide Professional Handyman Services. Furniture, cabinets, IKEA assembly, TV mounting, and much more. Have a Project larger in scale? Allow me to offer a fair and transparent proposal.

"When John came to my house for the first time I asked him about some repair, and he said “I do it all.” It did not take long to find out he wasn’t kidding – he really DOES do it all, and he does it all VERY WELL. His skill impresses me more with each job he finishes. John excels in craftsmanship and communication, delivering finished projects that meet and exceed expectations, while also providing excellent customer service and attention to detail. He takes time to explain his ideas and the reasons for them. John’s expertise seems to have no limit, at least none that I know of. His estimates are more than fair. On top of all that, he’s a genuinely nice guy and a pleasure to know. I’m delighted with the decision to hire John, and I will absolutely do so again."

Patricia A on May 2025


Avatar for Jones Services
Jones Services
2099 Route 17A
4.74(
204
)
Approved Pro
Jones Services
2099 Route 17A
4.74(
204
)
Approved Pro
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
673 local quotes requested

Jones Services is now a NO CONTACT service company. Our plumbers, electricians and HVAC technicians are running NO CONTACT service calls. We literally stand in different rooms than our customers, emailing or reading out loud our findings. No handshakes, no paperwork, not even allowing customers to touch iPads. Our technicians wear disinfected gloves, use disinfected tools and whip down anything their gloves and tools touch after servicing equipment. We practice NO CONTACT at work now too. Technicians are not allowed in the office, equipment and parts are delivered to their trucks in the parking lot. Only one employee per vehicle. All company meetings are conducted via Zoom. Most office personal are working from home. Those in the office work apart from each other. No one wants to be quarantined with their toilets backing up, without water or electricity or heat or hot water and now without air conditioning or air filtration or air purification. We are doing everything we can to help all our employees stay health to protect ourselves and our customers.

"Excellent customer service!"

Sean A on June 2025

Jones Services is now a NO CONTACT service company. Our plumbers, electricians and HVAC technicians are running NO CONTACT service calls. We literally stand in different rooms than our customers, emailing or reading out loud our findings. No handshakes, no paperwork, not even allowing customers to touch iPads. Our technicians wear disinfected gloves, use disinfected tools and whip down anything their gloves and tools touch after servicing equipment. We practice NO CONTACT at work now too. Technicians are not allowed in the office, equipment and parts are delivered to their trucks in the parking lot. Only one employee per vehicle. All company meetings are conducted via Zoom. Most office personal are working from home. Those in the office work apart from each other. No one wants to be quarantined with their toilets backing up, without water or electricity or heat or hot water and now without air conditioning or air filtration or air purification. We are doing everything we can to help all our employees stay health to protect ourselves and our customers.

"Excellent customer service!"

Sean A on June 2025

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FAQs for thermostat installation and replacement projects in Cornwall, NY

It's often worth replacing your old thermostat with a newer model that can enhance your home's comfort and energy efficiency. Upgrading to a programmable or smart thermostat can save you up to $200 per year on energy bills. Plus, smart thermostats offer convenient features like remote control and learning capabilities, making your home more comfortable and easier to manage.

Signs of a bad thermostat include your HVAC system not turning on when it's supposed to or failing to reach the desired temperature. If the thermostat's display is blank or not functioning properly, it could be malfunctioning. Another indicator is the HVAC system running continuously without shutting off or cycling on and off too frequently. You might also notice uneven temperatures throughout your home, with some rooms being too warm or too cold. These issues suggest that the thermostat is failing and may need repair or replacement to ensure your HVAC system operates efficiently.

A thermostat should last between 10 to 20 years, depending on its quality and how well it's maintained. Over time, dust, wiring issues, and general wear can affect its performance. Even if a thermostat is still functioning after 10 years, you might choose to replace it to take advantage of newer energy-saving technologies and smart home integrations. Upgrading to a modern thermostat can improve efficiency, offer more control over your home's climate, and potentially lower energy bills.

The number of thermostats you need depends on your home's size, layout, and heating and cooling zones. In a standard single-zone HVAC system, one thermostat controls the temperature for the entire home. However, larger homes or those with multiple floors might benefit from multiple thermostats linked to a multi-zone HVAC system. This setup can offer better comfort and energy efficiency: It lets you customize the temperature in different areas, so you're only heating or cooling the spaces you're using.

Replacing a thermostat typically takes a professional technician about one to two hours to complete. If you're swapping out an existing thermostat for a similar model with compatible wiring, the process can be done in less than an hour. However, installing a new thermostat that requires additional wiring, such as a smart thermostat, or moving the thermostat to a new location can extend the time to two hours or more. Complex installations may also involve cutting into drywall or integrating with other home systems, which can add to the duration.

There are a few things that can cause your home thermostat to fail. The most simple one is age and cleanliness. Dirt, grease, dust, and other small particles can clog sensors and cause malfunctions in readings. You may also have a failing power supply and loose connections, and the simplest cause is that it isn't installed in the right place in your home so it can't properly sense air temperature. Repairing a thermostat costs around $210.

The Cornwall, NY homeowners’ guide to thermostat installations and replacements
From average costs to expert advice, get all the answers you need to get your job done.
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