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

Avatar for Mario Construction Services LLC
Mario Construction Services LLC
4.9(
18
)
Thermostat - Install or Replace

Serving Farnham, VA and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"It went really well. I needed two large rooms done (removing carpet and installing laminate floors I had already purchased). I had put in a request on Angie’s for a quote and I received a call right away. Mario was able to come over the same day and give me an estimate. It was almost half of what I had received from other floor install companies. They were able to schedule me in right away. And the job was done in one day. The floors look great! No complains."
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+29

Recommended by100%of homeowners
Avatar for Choice Home Warranty
Choice Home Warranty
4.0(
5,680
)
Thermostat - Install or Replace

Serving Farnham, VA and surrounding areas

In business since 2008

Emergency services offered

Credit card accepted

"Tech arrived within time frame agreed upon. He checked out thermostat. Found it defective and had to order replacement. Has not yet finished job, but i expect to hear from him as soon as he acquires replacement to schedule installation."
Recommended by81%of homeowners
Avatar for The Fireplace Doctor
The Fireplace Doctor
3.9(
1,190
)
Thermostat - Install or Replace

Serving Farnham, VA and surrounding areas

In business since 1993

Emergency services offered

Credit card accepted

"It went fine.  I had one situation where they put vent on the top of the roof but on backwards and they replaced it. Overall, they did a good job cleaning it but that was a little reckless, I thought, a little careless. They did a good job cleaning the lint out but the only problem I had was the way they put the vent back on. "
Recommended by78%of homeowners
Sunshine Landscaping
5.0(
13
)
Thermostat - Install or Replace

Serving Farnham, VA and surrounding areas

In business since 2022

Free estimates

Emergency services offered

We offer a variety of landscaping, lawn care and power washing services. Specializing in edging, trimming, barn cleaning and leveling as well. My attention to detail and affordability makes my company the best. My background comes from always using my hands and getting things done. I want to make peoples houses feel like a home on the outside.

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+1

Recommended by100%of homeowners
Avatar for Ferguson Home Improvements LLC
Ferguson Home Improvements LLC
4.4(
46
)
Thermostat - Install or Replace

Serving Farnham, VA and surrounding areas

In business since 2009

Free estimates

Credit card accepted

"Ferguson Home Improvements did a fantastic job.  All the work that needed to get done, was finished beyond my expectations.  The workers were very friendly.  The job took a little longer that expected, but Ferguson Home Improvements were not at fault, the weather played a major factor with the deck stain and door installation.  At the time the work was getting done, we received a lot of rain and storms.  All in all, I would highly recommend Ferguson Home Improvements. 
"
Recommended by87%of homeowners
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Thermostat - Install or Replace

Serving Farnham, VA and surrounding areas

In business since 1971

Credit card accepted

"AHS is ok. They cover repairs of most everything under the roof of your house. The companies that contract with them are not always the best. You call AHS with the issue, they send a fax to the repair company and give you the contact info. If they don't contact you within 24 hours, you call them. Sometimes they answer, sometimes they don't. When they arrive (usually three days or so later), they service the item. if it has issues within the 90 days, you call AHS again, they are sent out with no charge. If the serviceman decides the unit is unrepairable, AHS will allow you to choose a replacement from their listing (usually not as good as what you have) they will install and remove your old item, or give you wholesale amount to buy and install your own. Prices vary on what you want covered and what you want the copay to be, plus where you live. For me it is 49.99 per month with a 75.00 time of service order. You can have more than one item serviced at the same time under the same fee. If you have a SEAR product the repair guys are great. Not that wild about the other ones they send out. But it is a big savings compared to calling someone on your own. The cost of service is only the 75.00 copay."
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+2

Recommended by65%of homeowners
Avatar for Cougar Development Corp
Cougar Development Corp
5.0(
6
)
Thermostat - Install or Replace

Serving Farnham, VA and surrounding areas

In business since 1978

Emergency services offered

Credit card accepted

Barry Foster (CEO) of Cougar Development has been in service for over 36 years since 1978. In his career, he has worked as a General and Sub-Contractor for many large commercial and residential projects. Cougar Development in time has grown to be involved with building shopping centers, malls, restaurants, residential houses and developments. Barry Foster has been able to build himself a clientele full of professional skilled tradesman that are known to be some of the best in the business.

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+9

Recommended by100%of homeowners
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FAQs for thermostat installation and replacement projects in Farnham, VA

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 Farnham, VA homeowners’ guide to thermostat installations and replacements

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