Get matched with top nest installation pros in O Fallon, MO

O Fallon homeowners rate nest installation pros in our network

4.7

(2.8k reviews)

Top-rated nest installation pros.

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Find Nest installation pros in O Fallon

Avatar for Hosack Plumbing Heating & Cooling
Hosack Plumbing Heating & Cooling
4.8(
344
)

Serving O Fallon, MO and surrounding areas

Approved

In business since 2009

Warranties offered

Credit card accepted

"I found Hosack on Angies list and am so glad I did. They were able to get someone out to me the same day I called. Scott was professional, quick and thorough in his installation of our faucet. It looks and works great. We will definitely return to them in the future for all our plumbing needs!"
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+2

Response time6 days
8 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for SafeStreets - ADT Authorized Provider
SafeStreets - ADT Authorized Provider
4.8(
319
)

Serving O Fallon, MO and surrounding areas

Approved (Corporate)

In business since 2010

Free estimates

Emergency services offered

"Every one was on time when it came to installing our security and automation system. The installation advisor kindly asked we leave a review and we are happy to. Using the Safe Streets Group is a good decision. Many thanks to the advisor that helped us."
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+1

11 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Fresh Air Heating & Cooling
Fresh Air Heating & Cooling
4.8(
276
)

Serving O Fallon, MO and surrounding areas

Approved

In business since 1947

Free estimates

Emergency services offered

"Great Experience. I was concerned about the 22 yr age of our air conditioner able to keep working and wonder if a long wait time to get a product shipped like refrigerators last year, I called for a quote and within a week it was installed and working! Installers worked tirelessly until their work was done, clean and neat!"
Fresh Air Van
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+2

7 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for H.C. Design, LLC
H.C. Design, LLC
4.7(
91
)

Serving O Fallon, MO and surrounding areas

Approved

In business since 2001

Free estimates

Small jobs welcome

"There was a problem with the first installer that did not show back up to complete the installation I placed a call to the owner and he immediately sent another installer and he finished the job and got everything working. Everything is working fine"
Have it your way
The Red Wall
Red Wall
Red Wall
Suspended Entertainment

+35

Response time9 hrs
Recommended by98%of homeowners
Avatar for Anton's Plumbing, Heating/Cooling & Energy Experts
Anton's Plumbing, Heating/Cooling & Energy Experts
4.7(
513
)

Serving O Fallon, MO and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"I wanted to take a moment to say Thank You for an exceptional Job Well Done! Jim was absolutely amazing, friendly, professional, helpful and it very much shows that he loves his work. I’m a 37 year electrical engineer, and it is rare to find young men these days like Jim who are Experts in their field. We felt like we made a new friend as well as a new Great company like Anton’s that we can refer work to. I own a few rent houses in the STL area, and now have a new HVAC Professional Favorite. We hope that your company also does New Installs, as we would like to use you for our next New Installation when it comes due. You guys are the Best, and we will refer your business to all of our friends. We’ll be back! Details: Called at 7AM, Received afternoon appointment from Lisa (extremely friendly and professional), Received a phone call at 1PM advising that Jim was on his way. Jim arrived on-time. Jim quickly diagnosed the problem with my outdoor HVAC unit, Gave me a Fair proposal which I immediately approved, and within 30 minutes, the job was DONE! Jim checked the temperature difference between our return air and outflow, which measured perfectly. Paid Jim and thanked him for a very professional job. Most Techy Types are not extremely friendly, but Jim was an exception to the rule as well. Slam Dunk, You've GOT to be kidding me....These guys will take great care of your issue. From the initial phone call to shaking Jim's hand goodbye, FIVE STAR."
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+18

Response time1 day
Response rate86%
17 neighbors recently requested a quote
Avatar for ADT
ADT
4.5(
855
)

Serving O Fallon, MO and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1874

Free estimates

Emergency services offered

"I had a wonderful experience with the Protect Your Home - ADT Authorized Dealer. Sam installed the system at my home and was very helpful and did a great job with both the wiring and wireless installations. I would highly recommend ADT and Sam for security alarm installation."
Home Security Essentials
Smart Home Security
Cameras
Our Team
Home Security Essentials

+35

107 neighbors recently requested a quote
Recommended by88%of homeowners
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Showing 1-10 of 585

FAQs for nest installation projects in O Fallon, MO

The average cost of a home security system is about $700, ranging from $280 to $1,150. Costs to consider include equipment, surveillance fees, and other additional features. Cost factors that determine your system’s price include the type of security system, materials, labor, activation fees, monthly fees, and permits. Additional features and upgrades may include:

  • Video surveillance monitoring: $40–$65 per month

  • Smart home locks: $150

  • Smart home lighting: $15–$90

  • Smart smoke, fire, and carbon monoxide alarms: $35–$100

  • Smart thermostat: $130–$500

Yes, you should get a quote or an estimate from an electrician. Most electricians offer free estimates or quotes. When getting quotes, do your research and verify each electrician’s license. Get quotes from three different electricians to compare. If the prices or items listed appear different on the quotes, ask the electrician to clarify. Learning as much as you can about the electrical work you want done will help you get the most accurate estimate. 

Yes, a home security system can be worth it for your peace of mind alone, but it can also save you up to 20% on your home insurance. The insurance savings will help defray the initial setup costs and subscription costs over time. Locations with higher crime rates also make home security systems a valuable investment, but it ultimately depends on your personal preferences and asset values.

Yes, most states require HVAC technicians to be certified, and for good reason. Hiring an unlicensed HVAC technician could lead to poor quality work, costly future expenses, and potential code violations. 

As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification which include: 

  • The owner, principal, or relevant manager passed a criminal background check

  • Required to have applicable state and local licenses

  • Maintain an average star rating of 3.0 or better on our network, if they have at least one review

  • Paying to advertise their services

  • Meeting any other eligibility criteria required by Angi

Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.

Qualified, licensed electricians will charge from $50 to $100 per hour. The cost to hire an electrician for emergency visits may range from $100 to $200 per hour because this urgent service usually takes place during off hours and may require an electrician to leave or reschedule jobs they’re currently working on. Scheduling work on holidays or during periods of high customer demand, like after a major storm, will also lead to higher rates or extra fees.

The O Fallon, MO homeowners’ guide to nest installation services

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