Top 10 smart thermostat installation and replacement services in O'Fallon, MO

Porch Pro Headshot Mister Sparky
Smart Thermostat Installation and Replacement
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 First Choice Electric
Smart Thermostat Installation and Replacement
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 AnC Heating & Cooling
Smart Thermostat Installation and Replacement
Serves O'Fallon, Missouri
(284)
"AnC replaced my mother-board on my furnace and cleaned it for it's yearly maintenance check. They get my repeat business as they are honest, trustworthy,professional, experienced and always make sure the customer is happy. I highly recommend them. I happy so very glad and relieved I finally fou...Read more about AnC Heating & Cooling
"AnC replaced my mother-board on my furnace and cleaned it for it's yearly maintenance check. They get my repeat business as they are honest, trustworthy,professional, experienced and always make sure the customer is happy. I highly recommend them. I happy so very glad and relieved I finally fou...Read more about AnC Heating & Cooling
Porch Pro Headshot Countywide Heating & Cooling
Smart Thermostat Installation and Replacement
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
Smart Thermostat Installation and Replacement
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 Lighthouse Electric LLC
Smart Thermostat Installation and Replacement
Serves O'Fallon, Missouri
Lighthouse Electric LLC is a company that is known for providing its customers with exceptional quality and reliable services. Based in St Roberts, MO, we are aElectrician installing wall socket licensed and insured electrical contractor that can handle any task in a professional manner. Turn to us ...Read more about Lighthouse Electric LLC
Lighthouse Electric LLC is a company that is known for providing its customers with exceptional quality and reliable services. Based in St Roberts, MO, we are aElectrician installing wall socket licensed and insured electrical contractor that can handle any task in a professional manner. Turn to us ...Read more about Lighthouse Electric LLC
Porch Pro Headshot The SOHO Shop LLC
Smart Thermostat Installation and Replacement
Serves O'Fallon, Missouri
(24)
The SOHO Shop transforms homes by custom integrating the very best lifestyle technologies, creating simple, more sophisticated living. Our offerings include a wide array of essentials such as high-definition audio & video, stylish home theaters, as well as outdoor entertaining. Be sure to explore...Read more about The SOHO Shop LLC
The SOHO Shop transforms homes by custom integrating the very best lifestyle technologies, creating simple, more sophisticated living. Our offerings include a wide array of essentials such as high-definition audio & video, stylish home theaters, as well as outdoor entertaining. Be sure to explore...Read more about The SOHO Shop LLC
Porch Pro Headshot Branham Electric, Inc.
Smart Thermostat Installation and Replacement
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 Paramount Electric
Smart Thermostat Installation and Replacement
Serves O'Fallon, Missouri
(25)
Paramount Electric is St. Louis's premier residential electrical contractor. Our residential electricians know how daunting it can be for our customers to identify and solve even the simplest home electrical challenges. That's why we offer comprehensive solutions for all your residential electrical ...Read more about Paramount Electric
Paramount Electric is St. Louis's premier residential electrical contractor. Our residential electricians know how daunting it can be for our customers to identify and solve even the simplest home electrical challenges. That's why we offer comprehensive solutions for all your residential electrical ...Read more about Paramount Electric
Porch Pro Headshot CJW Handyman Services
Smart Thermostat Installation and Replacement
Serves O'Fallon, Missouri
(10)
CJW Handyman Services LLC. provides maintenance, repairs and remodels for homeowners and maintenance in the Saint Peters area. call us today!
CJW Handyman Services LLC. provides maintenance, repairs and remodels for homeowners and maintenance in the Saint Peters area. call us today!

Top questions to ask before hiring a smart thermostat installation company

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 smart thermostat installation and replacement services

34372
31311

- Bart Fitzpatrick
30133

still waiting for another estimate

- gene wesley
84071

Clint is very amazing, thank you for all your hardwork!

- Jake Winberry
2431

Excellent value. 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
77901

Countywide is perfect if you want to pay for a job that won’t be done right or get finished! We paid $4700 to install an air handler and AC unit. Countywide also said they would put in a smart thermostat for us. We originally had one thermostat, County...

- Greg Muck
26782

Great job and came out within an hour.

- debbie suda
77900

Countywide is perfect if you want to pay for a job that won’t be done right or get finished! We paid $4700 to install an air handler and AC unit. Countywide also said they would put in a smart thermostat for us. We originally had one thermostat, County...

- Greg Muck

All Smart Thermostat Installation Companies in O'Fallon, MO

Porch Pro Headshot Mundwiller Electric, LLC
Smart Thermostat Installation and Replacement
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 Electrical Connection
Smart Thermostat Installation and Replacement
Serves O'Fallon, Missouri
(12)
The Electrical Connection is your doorway to Eastern Missouri's finest team of reliable electricians and quality electrical contractors - always ready to perform your electrical construction, maintenance and service. The Electrical Connection combines the capabilities, resources and commitment of th...Read more about Electrical Connection
The Electrical Connection is your doorway to Eastern Missouri's finest team of reliable electricians and quality electrical contractors - always ready to perform your electrical construction, maintenance and service. The Electrical Connection combines the capabilities, resources and commitment of th...Read more about Electrical Connection
Porch Pro Headshot The SOHO Shop
Smart Thermostat Installation and Replacement
Serves O'Fallon, Missouri
(11)
At The SOHO Shop, we know that the ideal automation solution should be all about streamlined simplicity and four-star luxury - without the four-star price tag. When you choose The SOHO Shop to provide you with a residential or commercial automation system, you'll see the difference that makes us sta...Read more about The SOHO Shop
At The SOHO Shop, we know that the ideal automation solution should be all about streamlined simplicity and four-star luxury - without the four-star price tag. When you choose The SOHO Shop to provide you with a residential or commercial automation system, you'll see the difference that makes us sta...Read more about The SOHO Shop
Porch Pro Headshot PAC Armor Security, Inc
Smart Thermostat Installation and Replacement
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 Mr. Handyman of St. Louis - West County
Smart Thermostat Installation and Replacement
Serves O'Fallon, Missouri
(101)
St. Louis - West County Professional Handyman Services
St. Louis - West County Professional Handyman Services
Porch Pro Headshot Manchester Electrical
Smart Thermostat Installation and Replacement
Serves O'Fallon, Missouri
(70)
Our company is family owned and has been in business for over 35 years serving the St. Louis area. We are licensed in St. Louis City and County and several surrounding counties. We serve both residential and commercial clients. We are experienced, honest and always attentive your electrical needs...Read more about Manchester Electrical
Our company is family owned and has been in business for over 35 years serving the St. Louis area. We are licensed in St. Louis City and County and several surrounding counties. We serve both residential and commercial clients. We are experienced, honest and always attentive your electrical needs...Read more about Manchester Electrical
Porch Pro Headshot A & A Solutions
Smart Thermostat Installation and Replacement
Serves O'Fallon, Missouri
(2)
If your home is in need of repairs and you don't know your elbow wrench from your screwdriver, our professional repair crew can bring life back to your dilapidated property. We respond quickly, preventing further damage and costly future repairs. From small, quick fixes to larger-scale jobs, our cou...Read more about A & A Solutions
If your home is in need of repairs and you don't know your elbow wrench from your screwdriver, our professional repair crew can bring life back to your dilapidated property. We respond quickly, preventing further damage and costly future repairs. From small, quick fixes to larger-scale jobs, our cou...Read more about A & A Solutions
Porch Pro Headshot Synergy Electric, LLC
Smart Thermostat Installation and Replacement
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 Ener-Source Electrical Contractors & Services  LLC
Smart Thermostat Installation and Replacement
Serves O'Fallon, Missouri
Ener-Source Electrical Contractors & Services, LLC boasts a hard-working team of Saint Louis, MO, electricians who can fulfill virtually all of your residential and commercial electrical needs. Whether you're dealing with an emergency situation or simply seeking out a simple repair job, we'll make s...Read more about Ener-Source Electrical Contractors & Services LLC
Ener-Source Electrical Contractors & Services, LLC boasts a hard-working team of Saint Louis, MO, electricians who can fulfill virtually all of your residential and commercial electrical needs. Whether you're dealing with an emergency situation or simply seeking out a simple repair job, we'll make s...Read more about Ener-Source Electrical Contractors & Services LLC
Porch Pro Headshot St. Louis Tint Co.
Smart Thermostat Installation and Replacement
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 B W Heating & Cooling
Smart Thermostat Installation and Replacement
Serves O'Fallon, Missouri
B W Heating & Cooling is an HVAC specialist that offers HVAC services, humidifier installation, gas line repair and other services. They are based in Saint Louis.
B W Heating & Cooling is an HVAC specialist that offers HVAC services, humidifier installation, gas line repair and other services. They are based in Saint Louis.
Porch Pro Headshot Dawson Dodd
Smart Thermostat Installation and Replacement
Serves O'Fallon, Missouri
Porch Pro Headshot I Am Handyman
Smart Thermostat Installation and Replacement
Serves O'Fallon, Missouri