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    Verified nest installation services reviews

Top-Rated Nest installation pros in El Cajon - Updated Nov 2026

Avatar for I'll Handle IT
I'll Handle IT
4.7(
275
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving El Cajon, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Small jobs welcome

"GREAT. Dave with a business name of "I'll Handle It" really did handle everything. To begin with, Dave was right on time, he was dressed neatly and had a good appearance. He had all the tools/equipment needed to complete my tiny job. I needed a floating shelf removed and a new one hung and to assemble a book case. After the book case was assembled, I needed 3 more shelves installed in open spaces of the book case. I also needed some 2 shelves installed that would act as support so some of the bookcase shelves wouldn't sag.... Dave was able to do all of my requestes with ease. When he was finished, Dave removed all of the trash. If I need any other items hung or assembled, I will, without a doubt, Call Dave as like his business card and the name of his business say "I'll Handle It". and that is exactly what he does. P.S. he also had a great sense of humor and made me laugh. THANKS DAVE... you are the best"
Dave Pfizenmeier, Owner
Response time2 days
Response rate100%
4 neighbors recently requested a quote
Avatar for Cano Air Conditioning and Heating
Cano Air Conditioning and Heating
4.9(
91
)
Thermostat - Repair or Reprogram

Serving El Cajon, CA and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Cano Heating and Air is one of 6 HVAC companies I contacted and got an estimate from as I needed to change my HVAC system. After about a month of comparing estimates and doing my due diligence, I ended up with Cano Heating and Air. None of the companies came close to the professionalism Javier and Nate provided. They take pride in their work and they install as if they are installing it for themselves. They are highly recommended!!!!"
ac pro 3 zone mini split with covers
1 of 3 indoor 9000k living room
1 of 3 in bedroom
one of 3 indoor units this one in kitchen w/ pump
diner condenser mini split on roof

+49

Response time4 hrs
Response rate96%
3 neighbors recently requested a quote
Avatar for Legacy 777 LLC
Legacy 777 LLC
5.0(
7
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving El Cajon, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Warranties offered

We specialize in handyman services, home repairs, home improvements, and more. \nOur service is efficient and prompt. We provide a service with high end standards and our clients are our top priority. Please see some of the services we offer below and call -or- click to schedule a free estimate today!

Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+4

Response time1 day
Response rate100%
1 neighbors recently requested a quote
Avatar for One Hour Heating & Air Conditioning
One Hour Heating & Air Conditioning
5.0(
9
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving El Cajon, CA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

At One Hour Heating & Air Conditioning of Central San Diego, we take our commitment to customer service seriously. We're so serious about it that we even have an on-time guarantee, which means if we're not on time, you don't pay a dime. Yes, you heard that right. We believe that your time is valuable, and we don't want to waste it. That's why we make sure to always show up on time and get the job done right.\n\nPlus, if there's ever a problem, we'll do everything we can to make it right. With our dedication to customer service, you'll feel like you're part of the family (the cool, air-conditioned family). We know how important your comfort is, which is why we take every measure necessary to ensure that you get the best quality service and products.

My jobs
My jobs
My jobs
My jobs
2 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Point Loma Electric Plumbing Heating & Air
Point Loma Electric Plumbing Heating & Air
4.2(
163
)
Thermostat - Install or Replace

Serving El Cajon, CA and surrounding areas

Approved

In business since 1988

Free estimates

Emergency services offered

"I had called another plumber who was a jerk and only gave me a recount of problems. When I called these guys they were there in a hour, and Robert Ibarra did a great job with a smile. He looked at my old Victorian house and found solutions to our problems, and then fixed the kitchen sink, and installed our tiny bathroom sink. We will be calling them in the future!"
Pipe Install
Pipe Install
Dual Sweep Cleanout
Pipe Install
Pipe Install

+38

Response time10 hrs
359 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for HVAC Experts, Inc.
HVAC Experts, Inc.
5.0(
6
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving El Cajon, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"HVAC Experts was one of the best experiences I have had with a contractor and home improvement! I was able to get a quote based on some basic information I gave to Alex which was to be verified onsite if I moved forward. I really did like that since I am a very busy person. The price was very competitive but as we all know that is only one component, its all about the quality of the product and installation. I was able to schedule the installation for a day and time that worked for me and on the day of installation my doorbell rang promptly at 8am. I did notice them parked outside early but I did appreciate them waiting to start exactly as promised. The initial crew were very nice and got to work right away then the company labeled van showed up with my new unit. Alex eventually showed up and did a walk through, I really appreciated him taking off his shoes which shows respect and making sure I was comfortable with the process. He also was very patient with the numerous questions I had and I also did a last minute upgrade to a Nest thermostat which he was able to run out and grab for me with no problem! Glad I did that we love the technology is brings. The removal of the old unit and the install of the new unit with this 4 man crew only took 3 hours and at the end the crew completely cleaned the area and Alex did a final walkthrough making sure I understood how to use the new HVAC unit and thermostat. He also tested the heat and cold and took temperature checks to make sure the output was as expected. We settled on the bill and I got an immediate receipt via email with the details. Top to bottom was very impressed with HVAC Experts a newer company but you can tell they have many years of industry experience! I now have a brand new AC unit and it’s working great!!!"
HVAC System
HVAC System
Furnace AC Pro
Condenser coils AC Pro
High Efficiency Goodman Furnace

+4

Response time2 hrs
Response rate89%
2 neighbors recently requested a quote
Avatar for Degree Heating and Air
Degree Heating and Air
5.0(
5
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving El Cajon, CA and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"Our unit was very old. Degree switched out the whole unit and even the duct work. The install was amazing! Degree gave me the option to set different temperatures in different sections of the house. I use it all the time and save so much on my utility bill. Canâ t recommend this company enough. Thank you for the amazing system!"
Ac  replacement
Ac  replacement
Ac  replacement
Response time3 hrs
Response rate93%
1 neighbors recently requested a quote
Avatar for ZRO Mechanical, Inc.
ZRO Mechanical, Inc.
5.0(
4
)
Thermostat - Install or Replace

Serving El Cajon, CA and surrounding areas

Approved

In business since 2023

Free estimates

Small jobs welcome

"My home had a very old AC unit that gave out on us this past summer. It has been very difficult for our family to find a dependable and reasonable company to come out to our home. I called ZRO and spoke with Josue on a Monday and was able to come out that same week with his technicians, they gave me a good deal and was very communicative through the entire install. Thank you!"
Exposed Commercial Duct
Attic Furnace
Commercial & Residential
Commercial & Residential
Commercial & Residential

+14

Response time20 mins
Response rate90%
Recommended by100%of homeowners
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Showing 1-10 of 171
Nest Installation FAQs, answered by experts

To keep animals away from your trash, you can spray store-bought ammonia-based cleaners on the bag or make your own spray. All you need is a spray bottle with one part ammonia and one part water. Once you’ve sprayed the bags, keep your kids and pets away.

Snakes love yards where they can access pet food, insects, and rodents. They also like places with plenty of hiding spots, such as tall grasses, thick or overgrown shrubbery, pools of water, broken gutters, and boxes. Reducing clutter and debris on your property may help keep them from visiting.

Whether you should stay in the home during a pest control service depends on the type of treatment. Some types allow you to stay, while others such as fumigation will require you to leave your home. The pest control company will provide specific instructions for the type of service that will be done to ensure you follow the proper protocol to keep you and your family safe.

The best deterrents for possums include securing trash cans with tight-fitting lids, removing outdoor food sources like pet food or fallen fruit, and trimming tree branches that provide access to your roof or an open window. Motion-activated lights or sprinklers can also startle and discourage them from visiting. Additionally, you can take advantage of their strong sense of smell by using garlic, onion, or commercial possum repellents to keep them off your property.

Earwigs may look scary with their pincers, but they don’t pose a serious threat to humans or pets. They are not poisonous, do not sting, and rarely bite or pinch unless handled. While they are not known to transmit diseases, their presence can signal underlying moisture problems in your home, such as mold, water damage, or rotting wood. A large infestation can become a nuisance, and certain species may emit an unpleasant odor. Therefore, while earwigs themselves aren’t dangerous, a large number of them may indicate bigger issues that should be addressed by a pest control professional.

The El Cajon, CA homeowners’ guide to nest installation services

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