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Top-Rated Thermostat installers and replacers in Enfield - Updated Nov 2026

Avatar for Island Mechanical Services, LLC
Island Mechanical Services, LLC
5.0(
20
)
Thermostat - Install or Replace

Serving Enfield, CT and surrounding areas

Approved

In business since 2017

Free estimates

Small jobs welcome

"Island Mechanical replaced our furnace & a/c heat pump. Highly skilled, clean workmanship, very knowledgable. Bertram is a pleasure to deal with and trustworthy. Highly recommend his services."
Response time1 day
9 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Valerie Spencer Interiors LLC
Valerie Spencer Interiors LLC
5.0(
90
)
Thermostat - Install or Replace

Serving Enfield, CT and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

"I can't say enough good things about Brian, who took care of this work for me. He returned my call promptly, listened carefully to what I needed, and was able to go out to my house within a few days to look at the space available for the two needed light fixtures. He then gave me excellent advice on the type of fixtures that would fit, and the exact sizees I needed to order, as well as what locations would work best for connecting them to the existing wiring. Using his advice, I was able to order the fixtures, which he then came out again to install. He obviously has good skills, but he was also prompt, efficient, honest, and very professional. I will not hesitate to contact him again when I need any further work done -- thanks Brian!"
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Response time1 day
1 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for HARP Home Services, LLC
HARP Home Services, LLC
3.6(
102
)
Thermostat - Install or Replace

Serving Enfield, CT and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

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! Feel free to book online with us today!

Recommended by74%of homeowners
Avatar for One Hour Heating and Air Conditioning
One Hour Heating and Air Conditioning
New to Angi
Thermostat - Install or Replace

Serving Enfield, CT and surrounding areas

Approved

Emergency services offered

Warranties offered

Credit card accepted

One Hour Heating & Air Conditioning of Glastonbury is a locally owned and operated heating, cooling, and indoor air quality company serving homeowners throughout the Greater Hartford area. \n\nWe provide professional HVAC maintenance, repair, installation, replacement, and indoor air quality solutions with a commitment to dependable service, clear communication, quality workmanship, and respect for every home we enter. \n\nAs a Service-Disabled Veteran-Owned business backed by the trusted One Hour Heating & Air Conditioning national brand, we combine local ownership and accountability with proven systems, professional standards, and industry expertise. \n\nOur goal is simple: help homeowners make informed decisions about the comfort, efficiency, reliability, and air quality of their homes. \n\nAlways On Time…Or You Don’t Pay A Dime!®

43 neighbors recently requested a quote
Avatar for Small Job Specialist Electric
Small Job Specialist Electric
4.8(
265
)
Thermostat - Install or Replace

Serving Enfield, CT and surrounding areas

In business since 1980

Free estimates

"Excellent work!! Ken was on time, and the repairs were done quickly!!He removed and installed a new outlet for my clothes dryer and he rewired the switch for my kitchen ceiling fan. I will definitely hire him again for any other electrical work that I need done."
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+9

Recommended by96%of homeowners
Avatar for NEW ENGLAND SMART ENERGY
NEW ENGLAND SMART ENERGY
4.9(
13
)
Thermostat - Install or Replace

Serving Enfield, CT and surrounding areas

In business since 2009

Emergency services offered

"I could not be more pleased with this company or this service. I found them here on AL and with a rebate, it was a great deal. When I called, the woman who answered was extremely polite and helpful and took the time to go over the entire audit process with me (she wasn't rushed as some receptionists are). They sent an email to confirm the date and time.
When the team arrived, they were on time and each of them introduced themselves by name to me before coming into my house. They were all very polite and courteous. The leader (I can't remember his name) gave me an overview of the process and explained things as they went. Basically, they simulate high winds around the house and then monitor for where leaks are. My house is relatively new and has no basement, so it was already pretty efficient, but there were some major leaks by the front door and attic door, which they sealed on the spot. They also showed me that I could hold my hand over any electrical socket, even ones on interior walls, and feel the "wind"--which means air was leaking out those! So I plugged them all with those little socket protectors. The guys also took me into the attic and showed me some leaks, and fixed them--and fixed the attic door by adding a little latch to help it stay closed. All in all, they reduced the amount of air getting into my house by 500 (I forget the units). It was clear they didn't just make up this number--they showed me the number after the first test and then after the second test (when they had treated the problem areas).
I also got a few free CFLs and LEDs, and bought 3 more LEDs since they were at a great price. They left some rebates with me, although all my appliances are new so I didn't need anything. 
When they left, they each said goodbye and were very professional until the end. They were respectful in my home and asked before opening any closets or doors, etc. I felt very safe with them here, which is not always the case when people are in your home working. I think the price is a fantastic one, especially with the AL rebate that was on when I scheduled. I feel I got my money's worth. My husband and I had tried to plug some leaks ourselves, but we didn't really know what we were doing and we had no way to measure if we were really helping anything. This audit gave me hard numbers to look at and I was impressed that they did the fixes on-site (included in the price--for instance, they plugged a whole around my front door frame by installing a clear plastic barrier). It was a great deal and a great experience. Highly recommend!
Bonus--when we resell this house in a few years, I will definitely list that we got a professional energy audit performed on it and that it's very efficient. Definitely a selling point!
"
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NESEG Certified Techs
Blower Door Test

+38

Recommended by91%of homeowners
Avatar for Rodriguez Home Improvement LLC
Rodriguez Home Improvement LLC
4.4(
193
)
Thermostat - Install or Replace

Serving Enfield, CT and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"I sent a quote request to Jose the other day to replace my chimney cap which had blown off earlier in the week. About an hour later I got a phone call and that evening he came by to assess the job and provide me a quote. The next morning at 8am, he was on my roof getting the job done. For the gutters, he removed my gutter guards, cleaned out everything thoroughly, and sent me pictures showing me his work. I will absolutely call Jose again in the future for similar jobs. I've already recommended him to a few people for gutter cleaning services, hopefully they will be calling him soon."
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+20

Recommended by83%of homeowners
Avatar for SOS Electric, LLC
SOS Electric, LLC
4.8(
54
)
Thermostat - Install or Replace

Serving Enfield, CT and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"Michael from SOS Electric is a very professional, nice young man. He helped us to install an extra line for a towel heater in the bathroom. He called a head, showed up on time, worked very efficiently, cleaned after his work and even helped me with another things. Thank you."
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+37

Recommended by100%of homeowners
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FAQs for thermostat installation and replacement projects in Enfield, CT

Smart thermostats may be worth it for many homeowners. They come with various features, including voice control and smartphone apps. Vacation mode can help lower energy usage when you’re out of town for an extended period. Alert warnings let you know about major spikes or drops in temperature. Smartphone apps can track energy usage, and smart thermostats can learn your routine over time to adjust your temperature and reduce wasted energy consumption automatically.

You typically do not need more than one smart thermostat. While it’s common to see multiple mechanical thermostats throughout a large home, multiple smart thermostats may try to override each other. This can lead to problems with the HVAC system. Ensure the unit you buy has the option for dual- or multi-zoned systems to avoid compatibility issues.

Installing a programmable or smart thermostat may save you $180 per year in utility costs. A big part of this comes from a smart thermostat’s ability to learn and adapt to your regular routines. With smartphone apps or web-based interfaces, you also have the option to control your thermostat when you’re not home.

The Enfield, CT homeowners’ guide to thermostat installations and replacements

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