Thermostat Installation & Repair in Gwinnett County
Control Your Comfort — From the Wall or Your Phone.
A properly installed and programmed thermostat can cut your energy bills and keep your home comfortable year-round. Henson Heating Air and Plumbing installs, repairs, and replaces thermostats across Gwinnett County — including smart, programmable, and standard models compatible with Daikin and Carrier systems.
Gwinnett County's Thermostat Experts
Smart Upgrades. Professional Installation. Total Comfort Control.
Your thermostat is the command center of your HVAC system — and the right one can make all the difference in comfort, energy savings, and convenience. Henson Heating Air and Plumbing installs, repairs, and replaces thermostats for homeowners across Loganville, Lawrenceville, Duluth, Conyers, Covington, Lithonia, Stone Mountain, Decatur, Oxford, and all of Gwinnett County. Whether you want a basic programmable thermostat or a smart WiFi model you can control from your phone, we help you choose the right fit for your home and HVAC system. We work with top brands compatible with Daikin and Carrier equipment — no guesswork, no compatibility issues. Just reliable comfort control from a team that shows up on time and gets the job done right.
FREE In-Home Estimates | Starting at $4,500 Installed | Most Installs Completed in Half a Day | Brands: Daikin & Carrier | Financing Available
Licensed and insured HVAC professionals (GA License #CR109881)
Expert knowledge of Daikin and Carrier system compatibility
Upfront pricing with no hidden fees
Available 24/7 for emergency thermostat issues
Serving Gwinnett County and surrounding areas since day one
Clean, respectful technicians who treat your home right
Satisfaction guaranteed on every installation and repair
Thermostat Pricing & What's Included
Transparent Pricing. No Surprises. Just Honest Service.
Standard Thermostat Installation — Starting at $89
Includes removal of old thermostat, installation of a new programmable unit, wiring connections, and system calibration.
Smart/WiFi Thermostat Installation — Starting at $149
Includes professional installation of a WiFi-enabled smart thermostat, app setup and configuration, system compatibility verification, and a full walkthrough of features.
Thermostat Repair & Diagnostic — $69
Includes a complete diagnostic of your existing thermostat, wiring inspection, calibration check, and repair recommendations.
Thermostat Replacement — Call for Quote
Price varies based on model, brand, and compatibility with your existing HVAC system. We'll help you choose the best option during a free in-home consultation.
All pricing includes upfront estimates with no hidden fees. Financing options available for qualifying customers.
What Affects Thermostat Installation Cost
Key Factors That Influence Your Total Price
Every thermostat installation is different. Here are the main factors that affect pricing for homes in Gwinnett County and the surrounding area.
Type of Thermostat
Basic programmable thermostats are the most affordable option. Smart WiFi thermostats cost more upfront but offer energy savings, app control, and learning features that can pay for themselves over time. We help you decide which type makes sense for your home and budget.
Existing Wiring Compatibility
Some older homes may not have the wiring needed for newer or smart thermostats — especially a common wire (C-wire). If additional wiring is required, it adds a small amount to the total cost. Our technicians assess your wiring during the initial evaluation and let you know upfront.
Installation Complexity
A straightforward swap — removing one thermostat and replacing it with another in the same location — is the simplest and most affordable installation. If your system requires new wiring, relocation of the thermostat, or integration with a zoning system, the installation takes more time and may cost more.
Brand & Model Selection
The brand and specific model you choose directly impacts the cost. Entry-level programmable units are budget-friendly, while premium smart thermostats with learning capabilities, touchscreens, and multi-zone support come at a higher price point. We carry models compatible with Daikin and Carrier systems and help you find the best value.
