Top 10 thermostat replacement & repair services in O'Fallon, MO

Porch Pro Headshot Mister Sparky
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
(411)
We specialize in residential electrical service and repair, main panel repairs and upgrades, whole house surveys and safety inspections, complete whole house surge protection, lighting package and ceiling fan installations, wiring and electrical system repairs and installs, energy saving audits, saf...Read more about Mister Sparky
We specialize in residential electrical service and repair, main panel repairs and upgrades, whole house surveys and safety inspections, complete whole house surge protection, lighting package and ceiling fan installations, wiring and electrical system repairs and installs, energy saving audits, saf...Read more about Mister Sparky
Porch Pro Headshot Hands on
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
Porch Pro Headshot First Choice Electric
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
(248)
When you need electrical services, let the electrical experts help. First Choice Electric is a preferred company because we bring years of experience to every project. We’re fully licensed, bonded, and insured, so you can rest assured you’re working with a trustworthy electrical contractor. Our elec...Read more about First Choice Electric
When you need electrical services, let the electrical experts help. First Choice Electric is a preferred company because we bring years of experience to every project. We’re fully licensed, bonded, and insured, so you can rest assured you’re working with a trustworthy electrical contractor. Our elec...Read more about First Choice Electric
Porch Pro Headshot Williams Heating & Cooling, LLC
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
(83)
"Williams Heating & Cooling has been a very reputable company for many years with outstanding professionals from the office to the working personel in the field. Very prompt, clean and friendly workers that will greet you with a smile. But most of all they are very reasonable & fair to the customers...Read more about Williams Heating & Cooling, LLC
"Williams Heating & Cooling has been a very reputable company for many years with outstanding professionals from the office to the working personel in the field. Very prompt, clean and friendly workers that will greet you with a smile. But most of all they are very reasonable & fair to the customers...Read more about Williams Heating & Cooling, LLC
Porch Pro Headshot Countywide Heating & Cooling
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
(45)
Countywide Heating & Cooling is a full service HVAC company serving the St. Louis city, St. Louis County, Jefferson County, Wildwood, Ballwin, Kirkwood, University City, Ladue, Town and Country, areas and many more! Countywide services all equipment brands including Ruud, Rheem, Trane, Lennox, Goodm...Read more about Countywide Heating & Cooling
Countywide Heating & Cooling is a full service HVAC company serving the St. Louis city, St. Louis County, Jefferson County, Wildwood, Ballwin, Kirkwood, University City, Ladue, Town and Country, areas and many more! Countywide services all equipment brands including Ruud, Rheem, Trane, Lennox, Goodm...Read more about Countywide Heating & Cooling
Porch Pro Headshot Albrecht Electric LLC
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
We have been in business for more than 25 years. We specialize in 100, 200 and 400 amp service upgrades. We are also a GENERAC dealer, offering home standby and portable generators providing sales, service and installation. Licensed, insured, and bonded in St. Louis City, St. Louis Count, and Jeffer...Read more about Albrecht Electric LLC
We have been in business for more than 25 years. We specialize in 100, 200 and 400 amp service upgrades. We are also a GENERAC dealer, offering home standby and portable generators providing sales, service and installation. Licensed, insured, and bonded in St. Louis City, St. Louis Count, and Jeffer...Read more about Albrecht Electric LLC
Porch Pro Headshot BUILDING SYSTEMS TECHNOLOGIES
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
(11)
Founded in the year 2000, our company BUILDING SYSTEMS TECHNOLOGIES, LLC has enjoyed much success in the area of Residential and Commercial wiring in the state of Missouri. Celebrating over 20 years as a Licensed, Master Electrician, DARREN C. CARROLL continues to expand his area of expertise in m...Read more about BUILDING SYSTEMS TECHNOLOGIES
Founded in the year 2000, our company BUILDING SYSTEMS TECHNOLOGIES, LLC has enjoyed much success in the area of Residential and Commercial wiring in the state of Missouri. Celebrating over 20 years as a Licensed, Master Electrician, DARREN C. CARROLL continues to expand his area of expertise in m...Read more about BUILDING SYSTEMS TECHNOLOGIES
Porch Pro Headshot J. Bathe Electric
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
(88)
Need a concrete contractor? Based in Hillsboro, J C's Concrete Services offers excavation, slab leveling, concrete repair, and concrete cutting.
Need a concrete contractor? Based in Hillsboro, J C's Concrete Services offers excavation, slab leveling, concrete repair, and concrete cutting.
Porch Pro Headshot Branham Electric, Inc.
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
(20)
Branham Electric has serviced the St. Louis area's electrical needs since 1991. St. Louis is our home. Our owners, Tim and Candy Branham, are Ritenour High School graduates and hold BA degrees from the University of Missouri St. Louis. Our staff and crew are your neighbors. We know St. Louis and its...Read more about Branham Electric, Inc.
Branham Electric has serviced the St. Louis area's electrical needs since 1991. St. Louis is our home. Our owners, Tim and Candy Branham, are Ritenour High School graduates and hold BA degrees from the University of Missouri St. Louis. Our staff and crew are your neighbors. We know St. Louis and its...Read more about Branham Electric, Inc.
Porch Pro Headshot SMART St. Louis
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
(15)
SMART is a network of residential air conditioning & heating contractors that provide superior service to the St. Louis metro area. SMART Contractors provide maintenance, repair, replacement and design of residential HVAC units. Our focus is to help consumers reduce their overall heating and coolin...Read more about SMART St. Louis
SMART is a network of residential air conditioning & heating contractors that provide superior service to the St. Louis metro area. SMART Contractors provide maintenance, repair, replacement and design of residential HVAC units. Our focus is to help consumers reduce their overall heating and coolin...Read more about SMART St. Louis

Costs to Install a Thermostat

$332 - $398
O'Fallon, MO average
Get costs in your area
While $332 - $398 represents average costs for O'Fallon, use the cost guide to determine prices near you.
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Top questions to ask before hiring a thermostat replacement & repair service

A professional will assist you with scope and estimates, but having a clear idea of what you want to accomplish will help communication.

Do you want professionals to do everything, or do you have the time and skill to do some of the work?

Many projects such as have a DIY component, such as painting or cleanup.

First and foremost, protect yourself and make sure the contractor and any sub-contractors are licensed, bonded and insured.

Recent reviews for O'Fallon thermostat replacement & repair services

61272

At first I was very pleased with Greg's work and he was very willing to come out and fix anything I found. The last part of the job was instilling the shutters. Once they were installed I thought the job was complete and would not have to contact Greg. I ...

- Maria Crutcher
28691

I found Gregs Roofing and Construction through the BBB. we picked this company because of the estimate. Greg was going to cover our old siding, add new siding, new gutters, and shuttersOur project got to a late start due to the supplies coming in late but...

- Maria Crutcher
39453

Greg's did a quick and professional job on replacing a portion of my gutter on a day when I figured the weather would keep him away but when I arrived home the job was complete!

- John Whitmore
4628

Excellent value. Excellent work quality. Excellent responsiveness in communication.

7974

Following my request on Porch.com, this company was the first to contact me and offer feedback/solutions to our electrical issue. The electrician explained the work that was done and answered all of our questions. The price was very, very reasonable (es...

- L. A. Jimerson
94948

The quality of work is good and they are quick with your project time needs, the only problems I have encountered is receiving quotes and sticking to them. First time used Laclede Gas worker capped gas line from old gas dryer, went to ground gas line and...

- Jim Vincent
2431

Excellent to keep appointment. Excellent work quality. Would recommend.

The technician arrived on time, was very neat and clean, and very professional. I will always use Mister Sparky for all my electrical needs.

- Robin Faust
15747

While the electrician arrived on time and was clean and courteous the pricing was very high and we unfortunately could not agree to purchase their services. Over $500 for an estimated 2 hour job, requiring only $40 of materials from the vendor!

- Chris Unknown
15746

While the electrician arrived on time and was clean and courteous the pricing was very high and we unfortunately could not agree to purchase their services. Over $500 for an estimated 2 hour job, requiring only $40 of materials from the vendor!

- Chris Unknown
18128

I have had service through Williams Heating and Cooling LLC over the past 30 plus years. Service is reputable, dependable and professional. I had a system installed in my home just before I sold it, when my home went through the inspections for listings...

- Bethany L Rhodes
18206

They are very professional and the serviceman are very knowledgeable. They are also affordable.

- Delphia Williams

All Thermostat Replacement & Repair Services in O'Fallon, MO

Porch Pro Headshot Mundwiller Electric, LLC
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
Mundwiller Electric is a second generation family owned and operated business that provides quality, affordable service for all your electrical needs. We offer specialized services like holiday and special event lighting decor, HDTV antenna installation and repair, landscape lighting design and ins...Read more about Mundwiller Electric, LLC
Mundwiller Electric is a second generation family owned and operated business that provides quality, affordable service for all your electrical needs. We offer specialized services like holiday and special event lighting decor, HDTV antenna installation and repair, landscape lighting design and ins...Read more about Mundwiller Electric, LLC
Porch Pro Headshot PAC Armor Security, Inc
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
Call: PAC Armor Security,Inc → 314-772-0070 or e-mail us @ info@pacarmorsecurity.com No matter what your needs are,we are proud to provide a personal and customer orientated service. PAC Armor Security,Inc has been protecting families and businesses, Since 1988. We are a locally owned and ope...Read more about PAC Armor Security, Inc
Call: PAC Armor Security,Inc → 314-772-0070 or e-mail us @ info@pacarmorsecurity.com No matter what your needs are,we are proud to provide a personal and customer orientated service. PAC Armor Security,Inc has been protecting families and businesses, Since 1988. We are a locally owned and ope...Read more about PAC Armor Security, Inc
Porch Pro Headshot Preferred Inspections Group LLC
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
(35)
Our goal here at Preferred Inspections Group LLC is to provide our clients with the education they need to make the very best possible decision on purchasing a home.
Our goal here at Preferred Inspections Group LLC is to provide our clients with the education they need to make the very best possible decision on purchasing a home.
Porch Pro Headshot STL SHEDZ
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
(18)
STL SHEDZ is the premier construction company for custom outdoor structures in the St. Louis, MO area. We design and build custom sheds, garages, and pole barns that will exceed your wildest dreams.
STL SHEDZ is the premier construction company for custom outdoor structures in the St. Louis, MO area. We design and build custom sheds, garages, and pole barns that will exceed your wildest dreams.
Porch Pro Headshot Gregs Roofing & Construction
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
(2)
We have been in business for 25 years and with many satisfied repeat customers. For all your roofing and construction needs give us a call for fast, on time and reliable service. We build houses from the ground up and also additions, concrete, soffit, fascia, siding, windows, doors, decks, painting ...Read more about Gregs Roofing & Construction
We have been in business for 25 years and with many satisfied repeat customers. For all your roofing and construction needs give us a call for fast, on time and reliable service. We build houses from the ground up and also additions, concrete, soffit, fascia, siding, windows, doors, decks, painting ...Read more about Gregs Roofing & Construction
Porch Pro Headshot Synergy Electric, LLC
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
(1)
Synergy Electric, LLC is a locally owned and operated electrical company based in Hazelwood, Missouri. We specialize in residential and commercial electrical projects. We pride ourselves in quality work done safely with excellent customer service. In addition, our electricians have several safety ce...Read more about Synergy Electric, LLC
Synergy Electric, LLC is a locally owned and operated electrical company based in Hazelwood, Missouri. We specialize in residential and commercial electrical projects. We pride ourselves in quality work done safely with excellent customer service. In addition, our electricians have several safety ce...Read more about Synergy Electric, LLC
Porch Pro Headshot AllBright Systems 2 LLC
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
(13)
AllBright Systems 2 LLC Bethalto, IL, 62010 (618) 401-1390 AllBright Systems 2 LLC offers professional janitorial services in Bethalto, IL. Do not hesitate to contact us right away! Professional Office Cleaning, Carpet Cleaner, Window Cleaning Service, Commercial Cleaning Expert Rosewood Heights IL...Read more about AllBright Systems 2 LLC
AllBright Systems 2 LLC Bethalto, IL, 62010 (618) 401-1390 AllBright Systems 2 LLC offers professional janitorial services in Bethalto, IL. Do not hesitate to contact us right away! Professional Office Cleaning, Carpet Cleaner, Window Cleaning Service, Commercial Cleaning Expert Rosewood Heights IL...Read more about AllBright Systems 2 LLC
Porch Pro Headshot St. Louis Tint Co.
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
St. Louis Tint Co. is the premier provider of automobile window tinting in the St. Louis area.
St. Louis Tint Co. is the premier provider of automobile window tinting in the St. Louis area.
Porch Pro Headshot M&A Contracting LLC.
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
Porch Pro Headshot Emojaye Contracting, LLC
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
Porch Pro Headshot Recess Lights & More
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
Porch Pro Headshot EMS Hvac
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
Porch Pro Headshot Dawson Dodd
Thermostat Replacement & Repair
Serves O'Fallon, Missouri
Porch Pro Headshot TC Heating and Cooling
Thermostat Replacement & Repair
Serves O'Fallon, Missouri

Latest projects near O'Fallon

Recent projects booked on Porch
O Fallon 63366
Thermostat Replacement and Repair
Wentzville 63385
Thermostat Replacement and Repair
Comments from Customer
Upgrading to a smart thermostat
Wentzville 63385
Thermostat Replacement and Repair
O Fallon 63368
Thermostat Replacement and Repair
Wentzville 63385
Thermostat Replacement and Repair
Comments from Customer
Customer did not provide additional comments. Please contact the customer to discuss the details of this project.
O Fallon 63368
Thermostat Replacement and Repair
Comments from Customer
I would like to get an estimate for an ecobee thermostat install