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    Average homeowner rating
  • Verified reviews icon473
    Verified nest installation services reviews

Top-Rated Nest installation pros in Harwinton - Updated Nov 2026

Avatar for Valerie Spencer Interiors LLC
Valerie Spencer Interiors LLC
5.0(
90
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Harwinton, CT and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

"Very well!! Brian did a great job installing 4 custom blinds in my home. Brian measured the rest of our widows and offered sound advice on how to accurately order blinds for them. I highly recommend Brian for his handyman services."
Additional Photos
Additional Photos
Response time1 day
1 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Williams Electric Service, LLC
Williams Electric Service, LLC
4.8(
67
)
Thermostat - Install or Replace

Serving Harwinton, CT and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"Phil was very personable, thorough and provided valuable feedback and advice on the projects he helped me with. They did an outstanding job. I will be hiring Williams Electric Service for all future electrical projects in my home."
New construction, garage.
1800 Amp Main
Response time1 day
Recommended by97%of homeowners
Avatar for Coldfire Mechanical, LLC
Coldfire Mechanical, LLC
5.0(
7
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Harwinton, CT and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

Coldfire Mechanical, LLC is a small business that is known for great service and superior installation at even better prices. We have a reputation for doing Whatever-It-Takes to keep you and your family comfortable and happy. \n \nToo often, consumers pay more for their products due to unnecessary overhead costs companies pass on to the consumers themselves. We do things differently. At Coldfire Mechanical, LLC, we focus on minimizing all the expenses that would require higher prices. We pass these savings — usually between 10%-20% — directly to consumers. In turn, consumers receive the highest quality products possible for the lowest price possible. Call us today, and you could save thousands of dollars! \n

Ductless split
Repairing frozen baseboard
Ductwork install
Response time10 mins
Recommended by100%of homeowners
Avatar for Supreme Electric, LLC
Supreme Electric, LLC
4.1(
122
)
Thermostat - Install or Replace

Serving Harwinton, CT and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"Mike checked some outlets for me and installed a new attic fan for a reasonable price. He was on time, extremely pleasant and professional. He patiently answered questions and volunteered pertinent information. I highly recommend Supreme Electric and will be using them for any future electrical work I need to have done."
BETTER BUSINESS BUREAU RATING
Recessed and pendant lighting
Home theatre wiring and lighting
Whole house generator wiring
Generator install

+49

Response time3 hrs
Response rate94%
38 neighbors recently requested a quote
Avatar for HARP Home Services, LLC
HARP Home Services, LLC
3.7(
107
)
Thermostat - Repair or Reprogram

Serving Harwinton, CT and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"We had a split air conditioning system installed. Everyone was very professional and they were very careful to clean up everything. We will definitely call them again to replace a 40 year old boiler."
Multiple Solutions For Your Home
Available When You Need Us
Cleaner Than We Found It
Only The Best Technicians
Professional Maintenance

+29

Response time4 hrs
72 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for Small Job Specialist Electric
Small Job Specialist Electric
4.8(
265
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Harwinton, CT and surrounding areas

In business since 1980

Free estimates

"Ken and his helper were amazing. Ken came out to recommend and quote light fixtures in our unfinished basement, connect a couple of Ring floodlights, and replace the doorbell transformer and install a new Ring doorbell at my residence. Ken's work is clean, fast, and reasonably priced! I would absolutely hire him again!"
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+9

Recommended by96%of homeowners
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Nest Installation FAQs, answered by experts

Ant and termite infestations look very different. Since termites feed on wood, one of the warning signs of their presence is drooping drywall, peeling paint, loose floor tiles, and crumbling wood. On the other hand, ants feed on plant- and animal-based food options, so you’ll likely spot a colony near your home’s food sources. If you’re unsure what type of pest infestation you have, hire a pest control specialist to inspect for you.

Bed bugs are highly sensitive to heat, so a hot blast with a hairdryer can draw them out of hiding. Providing a source of warmth, such as a heating pad or hot-water bottle, can attract and lure them out. Bed bug monitors and traps with pheromones can also be effective.

Yes, exterminators spray inside kitchen and other cabinets as part of a whole-home pest control treatment, especially when eradicating bugs that like to hide there, like roaches and ants. If you spot a pest infestation in your pantry or cabinets, be sure to show your pest control pro which areas have the most traffic.

No; ticks rarely infest buildings. They prefer to stay outdoors waiting for a potential host to pass by. However, while ticks do not infest beds, they can get indoors by attaching themselves to pets, clothing, or outdoor gear. A live tick may survive in your bed for around 24 hours, but it certainly won’t breed or start an infestation.

As a general rule, if you hear an animal in your attic, don’t assume it will stay there. Animals are drawn to warmth and food sources, which could lead them to other parts of your house. In particular, it’s likely that small pests such as rats and mice that only need tiny gaps to squeeze through will end up in your walls and ductwork. Larger animals like raccoons may be limited to an enclosed attic.

The Harwinton, CT homeowners’ guide to nest installation services

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