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Top-Rated Thermostat installers and replacers in Red Oak - Updated Nov 2026

Avatar for Pillar
Pillar
5.0(
11
)
Thermostat - Install or Replace

Serving Red Oak, GA and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

Pillar is a locally owned HVAC company providing reliable residential and commercial heating and air conditioning services across South Atlanta. We specialize in system repairs, full replacements, preventative maintenance, and emergency service for homes and businesses.\n\nOur team delivers disciplined, professional workmanship on every project. We focus on accurate diagnostics, clear communication, and long-term solutions that support efficiency, reliability, and performance.

4 neighbors recently requested a quote
Avatar for Casteel Heating, Cooling, Plumbing & Electrical
Casteel Heating, Cooling, Plumbing & Electrical
4.7(
950
)
Thermostat - Install or Replace

Serving Red Oak, GA and surrounding areas

In business since 1987

Free estimates

Emergency services offered

"This was an all day/long day job. An attic system and crawlspace system were removed and replaced with new, modern and technologically advanced systems. The crew was very professional and knowledgeable and worked hard. No slackers here. The crew chief explained everything in the system and process. Reviewed all with me at the completion. Trained me on the new digital thermostat applications. Answered all questions. Was very knowledgeable, cordial and courteous. Canvas drop cloths along their work path. Cleanup was meticulous. Previously, I have used this company to install a new water heater; plumbing issue at the kitchen sink; and annual HVAC maintenance service. Every experience with them has been this positive. They all seemed to take pride in their work...a job well done."
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+30

Recommended by93%of homeowners
Avatar for Quick Fast In A Hurry LLC
Quick Fast In A Hurry LLC
5.0(
25
)
Thermostat - Install or Replace

Serving Red Oak, GA and surrounding areas

Credit card accepted

"Mr. Harper was very very professional on time and knowledgeable about the install of our high end gas range. We would use him to install other appliances in the future highly recommend."
Appliance Sales Project
Handymen Project
Appliance Repair - Large Project
Appliance Repair - Large Project
Appliance Repair Project

+52

Recommended by100%of homeowners
Summit Heating & Air
4.9(
289
)
Thermostat - Install or Replace

Serving Red Oak, GA and surrounding areas

In business since 1995

Free estimates

Credit card accepted

"Very nice guy. Used his service 4 years ago. Lost his number and incredibly enough was paired back with him again through this application. I already would have used his service again because of air conditioning work he did before. He service my furnace by replacing a part. Help me install a brand new ecobee thermostat. And even help me set it up. And change my filter which desperately needed it and I had not gotten to it because it's in my attic. Overall very great service although I think it could have been 10 or 15% cheaper... I didn't try to negotiate because overall I was happy to finally get these things taken care of in a timely manner."
Response time40 mins
Response rate93%
Recommended by99%of homeowners
Avatar for ElectraMedics Electrical Services
ElectraMedics Electrical Services
4.5(
2,833
)
Thermostat - Install or Replace

Serving Red Oak, GA and surrounding areas

In business since 2001

Free estimates

Emergency services offered

"It was fine.  I was real happy with the owner.  Reasonable price.  Made it so we didn't have to worry for our safety. Replace electrical box that was out of code and didn't have enough capacity to being in hazardous condition.  Very happy that we called him. "
Troubleshooting
TV Install
New Outlets or Switches
Owners Wives Julie and Carolyn
Dispatcher, Call taker Lori Carruth

+18

Recommended by88%of homeowners
Avatar for G and G Drywall and Paint Services
G and G Drywall and Paint Services
4.8(
112
)
Thermostat - Install or Replace

Serving Red Oak, GA and surrounding areas

In business since 1996

Free estimates

"Renovating home built in the 60's with extensive drywall replacement & repairs.   Had completed hanging drywall when I called Charles to complete the taping, mudding, and sanding.  Charles was able to get out the same day I called.   I had planned on completing the work myself but due to time constraints, had to locate a contractor to complete the work.  He identified additional areas that needed repair as well.   His quote was very fair and his work was exceptional.   He followed up after I had painted to make certain everything was complete to my satisfaction.  As well his crew was always on-time, efficient, thorough and very professional.   It took his crew almost a week to complete the work... working later in the evening and always leaving the area very clean!!
"
Recommended by99%of homeowners
Avatar for Breezy V's LLC
Breezy V's LLC
5.0(
8
)
Thermostat - Install or Replace

Serving Red Oak, GA and surrounding areas

In business since 2022

Emergency services offered

Credit card accepted

"First I want to say Kelly customer service is amazing! I just recently bought a house and not until after my purchase i needed both heating and cooling updated and he installed and prices are affordable! Great customer service is hard to find but I will always go to Kelly and refer him to friends and family for sure!"
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Recommended by100%of homeowners
Avatar for Bear Mountain Custom Painting
Bear Mountain Custom Painting
4.7(
352
)
Thermostat - Install or Replace

Serving Red Oak, GA and surrounding areas

In business since 2003

Free estimates

"Bear Mountain Custom Painting far exceeded our expectations in every aspect of this project. The job entailed painting the interior and exterior framing of two windows which had been replaced a month earlier plus re-painting the walls (2 coats) of an atrium foyer, and very large 2-story atrium family room, two stairwells, a large 2nd story landing area, and a dining room, plus intricate stairwell trim in the family room area, plus all 6 inch baseboards and door facings in all five rooms. Truly a major undertaking. First Jared Tuttle came by and we discussed in great detail exactly what the extent of the painting would be. Jared’s expertise in materials and processes were invaluable in saving us time and money plus improving the final cosmetic results of the project. He knew much better than us how to get the most bang for our bucks and his suggestions turned out to be spot-on in the final outcome. The next day Jared emailed us the most detailed estimate and description of work we had ever received for any painting project, which included separate breakouts for optional items which we could use to meet our budget. I cannot over-stress the trustworthiness, professionalism, competency, and cooperativeness of every person we dealt with throughout this entire project, from Jared to the job foreman (Jeff) to the superb crew (Daniel & Rodrega) and, finally, the super-helpful office support of Sonja and Wendy. I’m serious, we’ve never experienced such competency and dedication (to customer satisfaction) as we enjoyed from every person we dealt with in this company. It’s quite unusual to see such consistency throughout the personnel of any organization. Also I seriously doubt you will ever experience the clarity of understanding of what is to be done and exactly how and when and by whom it will be done as you will with this company. And the value of all this attention to detail becomes eminently obvious in the pleasure of the experience and the final results. On the ever sticky aspect of cost, I will say this … Bear Mountain is not a low-ball contractor. If your only qualification is cost, I know from experience you will be able to find someone cheaper. If quality of results and peace of mind are higher on your list, you will be very happy with the value of what this company has to offer. Obviously we are beyond pleased with the quality and appearance (and the cost) of the completed job and the over-all experience, and will definitely call Bear Mountain whenever we have more painting to be done, which will be next year for our exterior trim."
Deck Staining
ExteriorPainting
Exterior Painitng
Interior Painting
Recommended by94%of homeowners
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FAQs for thermostat installation and replacement projects in Red Oak, 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 Red Oak, 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.