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Book Now
Call 770-536-7509
Conditioned Air Systems
Book Now
Call 770-536-7509
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Thermostat Repair & Installation in Gainesville, GA

  • Family-Owned Since 1983
  • NATE-Certified Techs
  • Upfront Honest Pricing
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Reliable Thermostat Repair & Installation Services in Gainesville, GA

At Conditioned Air Systems, we proudly offer expert thermostat repair and installation services to guarantee you have full control over your indoor comfort. With over 40 years of trusted HVAC experience, our family-owned team provides reliable and efficient solutions tailored to your needs. Whether you want to upgrade to a modern smart thermostat or need repairs for your existing unit, we’re here to help. Our NATE-certified technicians deliver precision service backed by a full one-year warranty, and we’re available 24/7 for emergencies. Let us help you make your HVAC system work smarter—reach out today to schedule your service.

Our Services

What Your Neighbors Are Saying About Us

Bernice B.
★★★★★
I needed a water heater so one of my friends recommended I should call Warner with Conditioned Air Systems. He came out and gave me my options and then Chris and Cohen came and replaced my water heater. I would recommend this company to anyone if you have any issues. Definitely give Warner a call. Their plumbing department is great.
Pamela H.
★★★★★
CAS Plumbing really did an outstanding job for our office & manufacturing facility! Thanks to Warner, Armand, & Gabriel, we have hot water & working bathrooms. We could not have asked for more personable service. Finished in less than one day at more than fair price. Highly recommend! …
Mel W.
★★★★★
Thank you Cory for sending Lee and Austin to do the plumbing work at our home. They arrived promptly, were polite and professional. They did a great job completing the difficult work in a very timely manner.
Polo P.
★★★★★
Warner , Armand, and Gabriel did some work for me at Best Vascular located at 4350 International Blvd suite A Norcross Ga. I was expecting the work to start at 7:00 AM. When I arrived on site at 6:45 AM there were already there waiting …
Allison R.
★★★★★
We are so pleased with the attention and timely service we have continually received from CAS. Philip has come to our home multiple times and is always thorough in his explanation of any issues we have had and quick to make any necessary …
Ertiken S.
★★★★★
We’ve had the pleasure of working with Armand and Warner from Conditioned Air Systems (CAS) Plumbing twice now, and both times they’ve delivered outstanding, reliable service. A few months ago, Armand fixed a toilet flush for us quickly, …
Jessica P.
★★★★★
Phillip with Conditioned Air Systems gave exceptional service and truly cared about our business and employees when he serviced our units in the restaurant. He went above and beyond to ensure the employees and guests have adequate conditioning systems. Wild Wing truly appreciates his service and manner.
Patricia P.
★★★★★
Charles has visited my home on multiple occasions to service my unit. I requested that he return for my bi annual inspection because he is thorough. He makes sure that the unit parts are all looking good and in good working order. I will be requesting him in the fall when it is time to prepare my unit for cold weather.
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How Can We Help You Solve Your Thermostat Problems?

We understand how frustrating it can be when your thermostat isn’t working properly. Whether you’re dealing with inaccurate readings, inconsistent temperatures, or unresponsive controls, we’re here to help. Our team will quickly diagnose the issue and provide reliable repairs to get your system back on track. If you’re ready for an upgrade, we can guide you through the latest thermostat options, including smart models, and handle the installation seamlessly. You can count on us to be efficient, customer-focused, and committed to keeping your home comfortable.
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Choose Us for Trusted Thermostat Services in Gainesville, GA

When you choose Conditioned Air Systems, you’re choosing a team that prioritizes your comfort and satisfaction. Our NATE-certified technicians bring decades of experience to every project, ensuring that your thermostat is repaired or installed correctly the first time. We work with various models and systems, giving you confidence that your HVAC will operate at peak performance.

We also recognize that thermostat issues can be urgent, so we offer fast response times and dependable service. Whether it’s a repair to restore your current system or a complete installation of a new thermostat, our goal is to provide solutions that make your home more efficient and comfortable year-round.

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Enhance Your Comfort with Professional Thermostat Repair & Installation

A well-functioning thermostat does more than regulate temperature—it keeps your home energy-efficient and your HVAC system running smoothly. If your current thermostat is outdated or unreliable, we can help you upgrade to a smart model with programmable features for greater control and savings. Imagine coming home to the perfect temperature every time or adjusting your settings from your phone with ease.

Professional installation ensures that your new thermostat integrates seamlessly with your HVAC system for the best performance. If you need repairs, we’ll calibrate and fine-tune your thermostat to guarantee accurate readings and reliable operation. Our expert services allow you to enjoy consistent climate control and a more comfortable living space.

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Conditioned Air Systems

Experience Dependable Thermostat Services Near You

For over 40 years, homeowners in Gainesville have trusted Conditioned Air Systems for their HVAC needs. As a family-owned business, we’re committed to delivering personalized solutions that put your needs first. With 24/7 emergency availability and a full one-year warranty on our services, you can rest easy knowing we’re here when you need us most.
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Frequently Asked Questions

What signs indicate that my thermostat needs repair?
If your HVAC system isn’t responding properly, the displayed temperature doesn’t match your home’s actual temperature, or you notice frequent cycling, it’s time for a repair.
If your thermostat is outdated, non-programmable, or frequently malfunctions, upgrading to a modern or smart thermostat can improve efficiency and comfort.
While some homeowners attempt DIY installation, professional installation ensures safe wiring, proper calibration, and optimal performance.
Most repairs or installations take only a couple of hours, though the exact time depends on your system’s complexity.
We provide a full one-year warranty on our thermostat installation services, covering any installation-related issues at no additional cost.
Conditioned Air Systems

Areas We Serve

  • Alto
  • Arcade
  • Athens
  • Baldwin
  • Braselton
  • Buford
  • Cleveland
  • Commerce
  • Cumming
  • Dacula
  • Dahlonega
  • Flowery Branch
  • Gainesville
  • Homer
  • Hoschton
  • Jefferson
  • Johns Creek
  • Lawrenceville
  • Lula
  • Maysville
  • Oakwood
  • Raoul
  • Sugar Hill
  • Suwanee
  • Winder
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