Top-rated thermostat installers and replacers.

Get matched with top thermostat installers and replacers in Cumming, GA

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Thermostat installers and replacers in Cumming

Avatar for Keep Smiling Plumbing & Electric

Keep Smiling Plumbing & Electric

4.52(
46
)
Approved Pro

Keep Smiling Plumbing & Electric

4.52(
46
)
Approved Pro
Customers say: Quick response
41 years of experience
Free onsite estimate

Since 1985, Keep Smiling Plumbing Electric Heating and Cooling has been providing Gwinnett County and the surrounding community with any ad all of their home service needs. We pride ourselves on quality workmanship, provided by a friendly, licensed, professional service experience delivered on time, at a fair price. We are equipped to handle every residential and light commercial service, including plumbing electrical heating and cooling services. Our team of professionals is pre-scheduled from the office to guarantee convenient appointment times and a phone call when we are headed to your home. Your service professionals are uniformed and arrive in a well-marked company vehicle. Our team members are prescreened, drug tested, and highly trained to ensure your experience is fast, effective, and affordable. We look forward to earning your business. -$39 Diagnostic Fee

"⭐️⭐️⭐️⭐️⭐️ I want to start by highlighting the *above and beyond* service I received from Keep Smiling Heating & Air. In the midst of a brutal Atlanta heatwave, I called in a panic because my newer AC unit had suddenly stopped blowing cold air. From the first point of contact, the experience was incredibly professional and reassuring. I received a confirmation text, a follow-up call when the technician was in route, and even a text introduction with a picture and background info on the technician. Who does that? **Keep Smiling does.** Technician **Byron Solares** was exceptional—knowledgeable, professional, and genuinely empathetic. I explained that I have my elderly father with a breathing condition living with me, and Byron not only resolved the issue efficiently, but took the time to explain everything clearly. Thanks to his quick work, we’re resting comfortably tonight."

Dwayne J on August 2025

Since 1985, Keep Smiling Plumbing Electric Heating and Cooling has been providing Gwinnett County and the surrounding community with any ad all of their home service needs. We pride ourselves on quality workmanship, provided by a friendly, licensed, professional service experience delivered on time, at a fair price. We are equipped to handle every residential and light commercial service, including plumbing electrical heating and cooling services. Our team of professionals is pre-scheduled from the office to guarantee convenient appointment times and a phone call when we are headed to your home. Your service professionals are uniformed and arrive in a well-marked company vehicle. Our team members are prescreened, drug tested, and highly trained to ensure your experience is fast, effective, and affordable. We look forward to earning your business. -$39 Diagnostic Fee

"⭐️⭐️⭐️⭐️⭐️ I want to start by highlighting the *above and beyond* service I received from Keep Smiling Heating & Air. In the midst of a brutal Atlanta heatwave, I called in a panic because my newer AC unit had suddenly stopped blowing cold air. From the first point of contact, the experience was incredibly professional and reassuring. I received a confirmation text, a follow-up call when the technician was in route, and even a text introduction with a picture and background info on the technician. Who does that? **Keep Smiling does.** Technician **Byron Solares** was exceptional—knowledgeable, professional, and genuinely empathetic. I explained that I have my elderly father with a breathing condition living with me, and Byron not only resolved the issue efficiently, but took the time to explain everything clearly. Thanks to his quick work, we’re resting comfortably tonight."

Dwayne J on August 2025


Avatar for Casteel Heating, Cooling, Plumbing & Electrical

Casteel Heating, Cooling, Plumbing & Electrical

4.78(
88
)
Approved Pro

Casteel Heating, Cooling, Plumbing & Electrical

4.78(
88
)
Approved Pro
Customers say: Super punctual
142 local quotes requested
39 years of experience

At Casteel Heating, Cooling, Plumbing and Electrical, we provide world-class service to our customers, just as we have since 1987. Founded by Jan and Bob Casteel, our company was built on honesty and customer-focused care. To this day, we offer our Amazing Care Guarantee: We’ll take amazing care of you or we’ll refund your service call fee. Our expert team of plumbers, electricians, HVAC technicians, and system design managers performs top-quality repairs and installations while ensuring you are completely satisfied with your entire customer service. Because we offer so many services under one roof, you’ll save time and money by making one phone call to Casteel. Formerly: Knight Air Conditioning and Heating Company

"Great customer service and communication. Would highly recommend them."

Scott R on January 2026

At Casteel Heating, Cooling, Plumbing and Electrical, we provide world-class service to our customers, just as we have since 1987. Founded by Jan and Bob Casteel, our company was built on honesty and customer-focused care. To this day, we offer our Amazing Care Guarantee: We’ll take amazing care of you or we’ll refund your service call fee. Our expert team of plumbers, electricians, HVAC technicians, and system design managers performs top-quality repairs and installations while ensuring you are completely satisfied with your entire customer service. Because we offer so many services under one roof, you’ll save time and money by making one phone call to Casteel. Formerly: Knight Air Conditioning and Heating Company

"Great customer service and communication. Would highly recommend them."

Scott R on January 2026


Avatar for JAMES ALTMAN HANDYMAN

JAMES ALTMAN HANDYMAN

4.71(
145
)
Approved Pro

JAMES ALTMAN HANDYMAN

4.71(
145
)
Approved Pro
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
21 years of experience

Looking for a reliable handyman in Atlanta? Look no further! James Altman Handyman offers a wide range of home repair and maintenance services. With expert craftsmanship and a commitment to quality, we're here to address all your handyman needs. Contact us today!

"I know I just reviewed James, so coming right back with a second one should give you a pretty good idea about how much my wife and I think of his work, and him, personally. James is professional, does quality work, including thinking outside the box to come up with innovative ways to fix issues others either couldn’t, or created."

Glenn W on July 2023

Looking for a reliable handyman in Atlanta? Look no further! James Altman Handyman offers a wide range of home repair and maintenance services. With expert craftsmanship and a commitment to quality, we're here to address all your handyman needs. Contact us today!

"I know I just reviewed James, so coming right back with a second one should give you a pretty good idea about how much my wife and I think of his work, and him, personally. James is professional, does quality work, including thinking outside the box to come up with innovative ways to fix issues others either couldn’t, or created."

Glenn W on July 2023


Avatar for Appliance Installations Plus

Appliance Installations Plus

5.00(
22
)
Approved Pro

Appliance Installations Plus

5.00(
22
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2 years of experience

Appliance Installations Plus can help you with all home appliance installations plus small electric and plumbing jobs as well as a wide variety of handy man services. David, our owner has 18+ years experience installing appliances and 20+ years of handyman work experience. Appliance Installations plus is insured and ready to help you bring your dreams to fruition today! Let us know how we can help!

"DJ and his brother did unbelievably great work. We would like to use their services again."

Ande M on August 2025

Appliance Installations Plus can help you with all home appliance installations plus small electric and plumbing jobs as well as a wide variety of handy man services. David, our owner has 18+ years experience installing appliances and 20+ years of handyman work experience. Appliance Installations plus is insured and ready to help you bring your dreams to fruition today! Let us know how we can help!

"DJ and his brother did unbelievably great work. We would like to use their services again."

Ande M on August 2025


Avatar for A&K Handyman

A&K Handyman

4.86(
7
)
Approved Pro

A&K Handyman

4.86(
7
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2 years of experience

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business, we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!

"Working with A&K was a great experience. All estimates and work were timely, clearly communicated, and professionally executed. I'd highly recommend working with A&K for any of your home repair/update needs."

Joshua I on August 2025

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business, we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!

"Working with A&K was a great experience. All estimates and work were timely, clearly communicated, and professionally executed. I'd highly recommend working with A&K for any of your home repair/update needs."

Joshua I on August 2025


Avatar for Happy Handyman, LLC.

Happy Handyman, LLC.

4.83(
66
)
Approved Pro

Happy Handyman, LLC.

4.83(
66
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
3 years of experience

I have been in the construction industry for over 25 years. As a homeowner needing to get things done that I do not have time to do, I tried to hire people to do the work for me. If I contacted companies, they did not answer the phone and if you left a message they did not call back. If they did call back or they would schedule appointments and never show up or if they did show up you would never hear from them again. If I was lucky to find one that provided an estimate, they did not know how to do the projects requested. Larger companies do not want to do the "little" things. At the point of getting so frustrated, I decided to start this business so that other homeowners would not have to go through this. I have hired professional and qualified people; drug test and background checks have been performed on them to ensure clients safety. The technician comes out, accesses the work and pricing is given on site. If pricing is accepted, the technician will perform the work immediately. You do not pay for the work until the job has been completed to your satisfaction.

"Lots of different kinds of outdoor work."

Jayne C on August 2025

I have been in the construction industry for over 25 years. As a homeowner needing to get things done that I do not have time to do, I tried to hire people to do the work for me. If I contacted companies, they did not answer the phone and if you left a message they did not call back. If they did call back or they would schedule appointments and never show up or if they did show up you would never hear from them again. If I was lucky to find one that provided an estimate, they did not know how to do the projects requested. Larger companies do not want to do the "little" things. At the point of getting so frustrated, I decided to start this business so that other homeowners would not have to go through this. I have hired professional and qualified people; drug test and background checks have been performed on them to ensure clients safety. The technician comes out, accesses the work and pricing is given on site. If pricing is accepted, the technician will perform the work immediately. You do not pay for the work until the job has been completed to your satisfaction.

"Lots of different kinds of outdoor work."

Jayne C on August 2025


"I highly recommend Julio. He re-stained and re-sealed my wood front door. This took multiple trips to my house to put on mulitple coats and he showed up everytime, also keeping in touch about precise estimated time of arrival. He also did excellent work, with attention to detail and ensuring that he didn't damage anything else in the process. Very nice to work with and professional. Will hire again. Before and after photos attached. Any unevenness in the stain is due to nature of the wood itself; he balanced out the absorption of stain very well compared to the original stain on the door."

Georgia M on October 2025

Handyman with over 10 years of experience working on residential homes. My services include but are not limited to : Paint, Drywall, Carpentry, Plumbing, Electrical and Tile.

"I highly recommend Julio. He re-stained and re-sealed my wood front door. This took multiple trips to my house to put on mulitple coats and he showed up everytime, also keeping in touch about precise estimated time of arrival. He also did excellent work, with attention to detail and ensuring that he didn't damage anything else in the process. Very nice to work with and professional. Will hire again. Before and after photos attached. Any unevenness in the stain is due to nature of the wood itself; he balanced out the absorption of stain very well compared to the original stain on the door."

Georgia M on October 2025


Avatar for Auto Transport - United Freight Of America

Auto Transport - United Freight Of America

4.84(
920
)

Auto Transport - United Freight Of America

4.84(
920
)
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers

United Freight of America is your all inclusive transport solution. CONTACT US FOR A QUOTE. please include pick up and Drop off locations and vehicle information

"Excellent, no problems. My car was new the first year I used the service and there has never been any damage during the transports. The men picking up and delivering the car have always been pleasant and cooperative. Both Ely and Guy at United Transport has been highly responsive to my needs. I would highly recommend this company."

CLAUDIA H on October 2021

United Freight of America is your all inclusive transport solution. CONTACT US FOR A QUOTE. please include pick up and Drop off locations and vehicle information

"Excellent, no problems. My car was new the first year I used the service and there has never been any damage during the transports. The men picking up and delivering the car have always been pleasant and cooperative. Both Ely and Guy at United Transport has been highly responsive to my needs. I would highly recommend this company."

CLAUDIA H on October 2021


Avatar for El Amar Engineering and Construction,

El Amar Engineering and Construction,

5.00(
10
)

El Amar Engineering and Construction,

5.00(
10
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

El Amar Engineering and Construction is your go-to choice for all your remodeling needs in Atlanta. Our team of experts specializes in kitchen and bathroom renovations, delivering exceptional results that will transform your home. With our attention to detail and commitment to quality, we set ourselves apart from the competition. Contact us today to bring your dream home to life.

"El Amar Engineering did an excellent job on finishing my basement with a high standard of work that was completed before schedule and within budget. They were quick to respond to questions and additional work that I requested. Highly recommended."

Ihab S on October 2022

El Amar Engineering and Construction is your go-to choice for all your remodeling needs in Atlanta. Our team of experts specializes in kitchen and bathroom renovations, delivering exceptional results that will transform your home. With our attention to detail and commitment to quality, we set ourselves apart from the competition. Contact us today to bring your dream home to life.

"El Amar Engineering did an excellent job on finishing my basement with a high standard of work that was completed before schedule and within budget. They were quick to respond to questions and additional work that I requested. Highly recommended."

Ihab S on October 2022


Atlanta Home Remodelers

5.00(
3
)

Atlanta Home Remodelers

5.00(
3
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Our trained team is here to take the headaches out of the remodeling projects you have been putting off for too long. Call us in Lawrenceville today for a free estimate!

"Five star experience. He was great! Very punctual and professional."

tyrone d on September 2020

Our trained team is here to take the headaches out of the remodeling projects you have been putting off for too long. Call us in Lawrenceville today for a free estimate!

"Five star experience. He was great! Very punctual and professional."

tyrone d on September 2020

...
Showing 1-10 of 1014
FAQs for thermostat installation and replacement projects in Cumming, GA

Smart thermostats may be worth it for many homeowners. They come with various features, including voice control and smartphone apps. Vacation mode can help lower energy usage when you’re out of town for an extended period. Alert warnings let you know about major spikes or drops in temperature. Smartphone apps can track energy usage, and smart thermostats can learn your routine over time to adjust your temperature and reduce wasted energy consumption automatically.

You typically do not need more than one smart thermostat. While it’s common to see multiple mechanical thermostats throughout a large home, multiple smart thermostats may try to override each other. This can lead to problems with the HVAC system. Ensure the unit you buy has the option for dual- or multi-zoned systems to avoid compatibility issues.

Installing a programmable or smart thermostat may save you $180 per year in utility costs. A big part of this comes from a smart thermostat’s ability to learn and adapt to your regular routines. With smartphone apps or web-based interfaces, you also have the option to control your thermostat when you’re not home.

The Cumming, GA homeowners’ guide to thermostat installations and replacements

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