🌷 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 Dunwoody, GA

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

Looking for thermostat service in Dunwoody this spring? We deliver same-day smart thermostat installation, certified repair, and MeasureQuick calibration to keep your DeKalb County home comfortable.

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

Why Dunwoody Homeowners Choose Us for Thermostat Service

Free Dispatch, Pay When Done

Dunwoody residents get free dispatch on every thermostat service call. We diagnose the issue, present your options, and you pay only after the thermostat is installed, calibrated, or repaired.

Thermostat Diagnostics and Calibration

A thermostat that reads three degrees off wastes energy every hour it runs. We test your thermostat’s accuracy, check the wiring, and recalibrate or replace it so your HVAC system responds to real temperatures.

A 20-Year Track Record Across DeKalb County

Dunwoody families have relied on us for over two decades. Our 360+ Google reviews and 4.7-star rating come from doing the small things right, including thermostat service that most companies rush through.

Optimize Now, Save All Summer

Spring is the ideal time to upgrade to a smart thermostat or recalibrate your existing unit. Programming the right cooling schedule before Dunwoody hits peak summer temperatures locks in energy savings from day one.

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 Thermostat Service Works When You Call Us in Dunwoody

1. Schedule a Convenient Window

Dunwoody homeowners pick a two-hour window. We send a text with the tech’s photo and ETA. Same-day service is available when the schedule allows.

2. Inspect Thermostat Wiring and Placement

Our technician checks whether the thermostat is installed on an interior wall away from heat sources and inspects the C-wire and signal wiring for damage. In spring, Dunwoody homes that switch between heat and cool need a thermostat that responds to both without delay.

3. Quote Repair or Replacement

If a new thermostat makes sense, we match it to your system type and walk through features and pricing. Everything is flat-rate.

4. Run a Full Function Test

After the job, we test heat, cool, and fan modes. A written guarantee covers the installation or repair.

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

Meet Your Thermostat Service Team

Every technician on our team is background-checked, uniformed, and we send photos before arrival so you know exactly who is coming to your Dunwoody, GA home for thermostat service. We are licensed, insured, and MACA members with verified credentials.
Reggie Lowe
Owner
Barney Edwards
Customer Service
Jquare Range
Senior HVAC Technician
Jermain Sims
Senior HVAC Technician
Learn about us
Service Areas

Thermostat service for Dunwoody and DeKalb County.

We provide thermostat service and calibration across Dunwoody and north DeKalb County.
Get your thermostat upgraded this spring while scheduling is easy. We serve Dunwoody and DeKalb County every week with prompt, certified thermostat service.

Zip Codes Serviced

30338, 30346

Nearby Locations Served

Acworth, GA
Alpharetta, GA
Canton, GA
Conyers, GA
Covington, GA
Decatur, GA
Duluth, 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

Dunwoody Thermostat Service FAQs

Common questions from our customers about heating and cooling services.
How much do we charge for thermostat service in Dunwoody Georgia?
In spring in Dunwoody, our thermostat service starts with a $0 dispatch fee and an on-site diagnostic. Most thermostat visits land in the $119 to $189 range for testing, wiring checks, and setup. If we replace the thermostat, we apply the diagnostic and you typically pay $249 to $699 total depending on the thermostat you choose, including installation and configuration. We explain options on-site before we start, and you pay when the work is done.
Yes. For thermostat service in Dunwoody this spring in March, we stand behind our work. If you are not satisfied with the thermostat repair or replacement we perform, let us know and we will make it right. If we cannot resolve it, we will provide a refund for our labor on that thermostat service. Parts and equipment refunds follow the manufacturer’s return and warranty rules.
In March spring weather, we can usually get out to your home in Dunwoody the same day for thermostat service, and we also offer next-day appointments when our schedule fills. If your system is down, we can treat it as an emergency and come out after hours or on weekends. We provide free dispatch, diagnose on-site, and review options with you before we start any work.
Yes. In March spring, we offer free in-home estimates in Dunwoody, Georgia for thermostat replacements and thermostat upgrades as part of our install process. For thermostat troubleshooting or repairs, we offer free dispatch, then we diagnose on-site and review options and pricing before we start any work.
Yes, we offer financing for thermostat service in Dunwoody, Georgia. In March and throughout spring, we can help you finance a thermostat replacement or upgrade, including smart thermostat installs, and we offer options like 0% financing with programs that can work for low or no credit. We provide free dispatch, diagnose the issue on-site, and you pay when the work is done.
Have a question?
770-846-2815