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TRUSTED BY HARWINTON, CT HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon471
    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
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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%
48 neighbors recently requested a quote
Avatar for HARP Home Services, LLC
HARP Home Services, LLC
3.7(
106
)
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
60 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for Luxury roofing & Design LLC
Luxury roofing & Design LLC
5.0(
20
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Harwinton, CT and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

"Great attention and timely communication. Crew was talented and tackled a very unique task of transforming a 100 year old garage that was half concrete and half wood into a classy addition to my property. Owner answered all questions and addressed any concerns immediately. I highly recommend this company. No job is too big or too small"
Wilson Project
Wilson Remodel
Parker Roof Replacement
Wilson Project
Wilson Remodel

+32

Recommended by100%of homeowners
Santos Roofing and Home Improvement
5.0(
30
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Harwinton, CT and surrounding areas

"We have know and trusted SANTOS, and his team, for decades. He is a superb carpenter and knowledgeable in all areas of home building and repair. He comes up with solutions for any job, small or larger, inside or outside the home, that needs repair. He has helped my husband and I install stone columns in front of his place of business. He diligently found the leaking in our home’s roof and walls and expertly rebuilt the entire side of the kitchen and walls. I think I have a photo. There are too many jobs to list. (April 2019) My Mom has now hired SANTOS and his team to repair, sand, prime and paint her entire house and she is so happy I recommended him and now her neighbor has him booked! He’s busy but worth the wait if you can hire him."
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+9

Recommended by100%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

Raccoons should be removed in most cases, especially when they’ve made their way indoors. Even if they seem harmless, raccoons are wild animals that can damage your property and potentially harm you, your family, and your pets. As soon as you notice signs of raccoons on your property, address the situation by securing your garbage and consulting a pro.

The most effective natural roach repellent is Borax with its key ingredient of boric acid and diatomaceous earth. But some homeowners may not feel like these are “natural” enough, especially since you can’t use Borax around curious pets or toddlers.

On the other hand, studies have shown that oregano oil mixtures have some of the best repellent effects, and other research indicates that catnip oil, peppermint oil, and citrus oils have notable effects on keeping roaches away. Rosemary oil has been shown to be the most effective natural oil for killing cockroaches outright.

Whether a one-time spray treatment to control mosquitoes is enough depends on multiple factors. Often, you’ll notice a big difference after one application. However, mosquitoes are likely to return if you don't reduce attractive standing water habitats. This usually takes four to eight weeks if it’s still prime mosquito season.

A bowl of vinegar will not kill fleas and acts only as a repellent. To get rid of fleas, you can create a homemade flea trap or buy flea traps from a local hardware store. Consistent trapping and meticulous cleaning will help eliminate fleas before they become an infestation. If you have a moderate to severe flea infestation, you’ll likely need the help of a local flea control specialist.

There are several ways to get rid of fleas in your yard without harming your pet. One option is to use a flea control treatment (such as a spray or bomb) that’s safe for pets. If you’re unsure whether a certain product is pet-friendly, check the label or ask a pest removal pro. Alternatively, you can apply beneficial nematodes—which won’t affect pets or people—to your lawn.

The Harwinton, CT homeowners’ guide to nest installation services

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