🌷 Spring Special: Get $50 off service

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🌷 Spring Special: Get $50 off service

Book Now
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Same-Day Thermostat Service in Decatur, GA

Same-day service • Free estimates • Re-service Guarantee

Looking for thermostat service in Decatur this spring? We bring MeasureQuick-certified calibration and smart thermostat experience to every home in DeKalb County, with same-day scheduling available.

Call Us (770)-846-2815
Or Get Free Estimate
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Our Services
Why Us
Our Reviews
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FAQs
OUR SERVICES

What Service Do You Need?

All services come with a free estimate.
AC Installation
AC Installation
Stay cool this spring with professional AC installation. We ensure your new system runs at peak performance from day one.
AC Repair
AC Repair
When your AC breaks down in the spring heat, we respond fast. We diagnose the issue and restore your comfort the same day.
Commercial HVAC
Commercial HVAC
Keep your business comfortable year-round with our commercial HVAC services. We handle installation, repairs, and maintenance for systems of all sizes.
Duct Cleaning
Duct Cleaning
Dust and debris build up in your ducts over time. We can clean them out so your home breathes fresh, clean air this spring.
Furnace Installation
Furnace Installation
A new furnace keeps your home warm and efficient all season long. We handle every step of the installation process.
Furnace Repair
Furnace Repair
When your furnace stops working, comfort disappears fast. We diagnose the issue and restore warmth to your home.
Heat Pump Installation
Heat Pump Installation
Heat pumps offer efficient heating and cooling in one system. We can install the right unit to keep your home comfortable year-round.
Heat Pump Repair
Heat Pump Repair
When your heat pump stops working, comfort fades fast. We diagnose the issue and restore reliable heating and cooling to your home.
WHY US

Here's Why Decatur Homeowners Pick Us for Thermostat Service

Dispatch Costs Nothing

Decatur residents get free dispatch on every thermostat service call. We evaluate your thermostat on-site, present a written price, and you pay only after the work is complete and confirmed.

Accurate Diagnostics and Smart Upgrades

We test your thermostat’s temperature accuracy, verify wiring, and troubleshoot connectivity issues. Smart thermostat installs come with full Wi-Fi configuration, app setup, and a cooling schedule built around your routine.

Consistent Results Over Two Decades

Decatur families across DeKalb County have counted on us for more than 20 years. Our 4.7-star Google rating across 360+ reviews reflects the same level of care on a thermostat call as on a full system installation.

Program Your Comfort Before Summer Arrives

March is the ideal time to upgrade your thermostat. Getting your cooling schedule programmed now means your Decatur home runs efficiently from the first warm day, with energy savings that add up all season.

Call Us (770)-846-2815
Or Get Free Estimate
Or Call Us (770) 846-2815
OUR REVIEWS

1,000s of Atlanta Homeowners Choose
Apex Heat & Air Conditioning

Certifications & Awards
trane-authorized-dealer
nci certified hvac technician
nate certification
measurequick certified hvac tech
OUR PROCESS

How Your Thermostat Service in Decatur Works With Us

1. Book Your Visit

Decatur homeowners pick a convenient window and get a confirmed time. We send the tech’s photo and estimated arrival before departure.

2. Verify Display Accuracy and Wiring

We place a calibrated thermometer next to the thermostat and compare readings. Then we inspect every wire connection for tightness and corrosion. Spring is when Decatur homes that switch between heat and AC expose thermostat inaccuracies.

3. Recommend the Right Move

If recalibration fixes it, we do that. If a new thermostat is the smarter choice, we match it to your system. Flat-rate pricing on all options.

4. Test Everything

Heat, cool, fan, and scheduling are all verified. The service is backed by a written guarantee.

Call Us (770)-846-2815
Or Get Free Estimate
Or Call Us (770) 846-2815
Our Team

Meet Your Thermostat Service Team

Every technician we send to your Decatur, GA home is background-checked, uniformed, and you receive their photo before arrival. We are licensed, insured, and provide documentation upfront for every thermostat service call.
Reggie Lowe
Owner
Barney Edwards
Customer Service
Jquare Range
Senior HVAC Technician
Jermain Sims
Senior HVAC Technician
Learn about us
Service Areas

Thermostat service and calibration for DeKalb County homes.

We provide thermostat service to Decatur and all of DeKalb County.
Get ahead of summer with a thermostat upgrade this spring. We serve Decatur and DeKalb County with fast scheduling and certified thermostat service every week.

Zip Codes Serviced

30030, 30031, 30032, 30033, 30034, 30035

Nearby Locations Served

Acworth, GA
Alpharetta, GA
Canton, GA
Conyers, GA
Covington, GA
Duluth, GA
Dunwoody, GA
Fayetteville, GA
Hampton, GA
Johns Creek, GA
Jonesboro, GA
Kennesaw, GA
Lawrenceville, GA
Locust Grove, GA
Marietta, GA
McDonough, GA
Morrow, GA
Newnan, GA
Norcross, GA
Peachtree City, GA
Riverdale, GA
Roswell, GA
Sandy Springs, GA
Smyrna, GA
Snellville, GA
Stockbridge, GA
Suwanee, GA
Tucker, GA
Woodstock, GA
View all service areas
Apex Residential Solutions
6053 N Henry Blvd,
Stockbridge, GA 30281
Phone: (770) 846-2815

Working Hours (EST):

Mon - Fri: 24/7 Scheduling

Saturday: 24/7 Scheduling

Sunday: 24/7 Scheduling
All HVAC Services Covered
  • A/C Repair & Install
  • Furnace Repair & Install
  • Commercial HVAC
  • Thermostat Repair
  • Heat Pump Repair & Install
GET YOUR QUOTE

Get your free quote in minutes

Schedule your free estimate today and for a limited time get $50 off your first HVAC service.
Same-Day & Next-Day Service

We prioritize your comfort with fast response times across Metro Atlanta.

100% Satisfaction Guarantee

We stand behind every repair and installation with our quality workmanship guarantee.

Licensed, Bonded & Insured

Fully licensed HVAC professionals you can trust with your home comfort systems.

Get $50 Off Any HVAC Service
Emergency and 24/7 HVAC services available.
A helpful member of our team will follow-up within 2 minutes during business hours to give you your free quote.

Speak with an Apex team member now

Call for immediate assistance and service.

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Frequently asked questions

Decatur Thermostat Service FAQs

Common questions from our customers about heating and cooling services.
How much do we charge for thermostat service in Decatur Georgia?
In Decatur in March, we charge $0 to dispatch and $99 for an on-site thermostat diagnostic. If you approve the repair or thermostat replacement, we apply that $99 diagnostic toward the work, and we confirm your exact price before we start.
We do not list a money-back guarantee for thermostat service in Decatur, Georgia. This spring in March, we keep it simple: free dispatch, we diagnose on-site, explain the issue and price before we start, and you pay when the work is done. If something is not right after the repair, we come back and make it right.
In March, we can usually get to Decatur for thermostat service the same day or next day, and we offer 24/7 emergency service for after-hours and weekends. We provide free dispatch, diagnose on-site, explain the issue first, and you pay when the work is done.
We offer free in-home estimates for thermostat installation and thermostat replacement in Decatur, Georgia. In March and throughout spring, we can also diagnose thermostat issues on-site, explain what we find, and only move forward with repairs or replacements after you approve the options.
Yes. We offer financing for thermostat service in Decatur, Georgia, including 0% financing options and programs for low or no credit. Since it is March, we can also pair a thermostat check with a spring tune-up so your system is set up for steady comfort and lower cooling costs before the first hot stretch.
Have a question?
770-846-2815