Homeowners' pick for heating and cooling across north Florida and the Suwannee Valley
Thermostat Replacement
We replace failed or outdated thermostats on heat pumps, air conditioners and furnaces across Florida, Georgia and South Carolina. If your thermostat screen is blank, the temperature reading is wrong, the system short cycles or the unit runs with no signal to stop, a replacement is often the fix. Check the batteries and the breaker first. If it still will not respond, call us and tell us what brand of thermostat you have and what the system does when you change the setpoint.
Call (888) 381-2953- Real people on the phone
- 7 days a week
- Quote in writing before any work
Taking calls until 5:00 PM ET
What a thermostat replacement involves
We start at the equipment, not the wall. A thermostat is a switch, so we confirm the air conditioning or heating side is actually calling and receiving power before we swap anything. Then we shut off power at the disconnect, label the existing wires, remove the old unit and mount the new one level on the wall. We match the wiring to your system type, set the heat pump staging and emergency heat correctly, then run cooling and heating to confirm each mode responds.
What we check and what we install
We check the low voltage wire count, since older houses in rural parts of the region often run four wires with no common, which many newer thermostats need. We look at the transformer, the fuse on the control board and the wire condition where it enters the wall. We install straightforward programmable and smart models that fit the system in front of us. On a heat pump we verify the reversing valve setting so you are not paying to run strip heat in July.
How we decide replacement is the right call
Sometimes it is not the thermostat. A blown control board fuse, a chewed wire under the house or a failed contactor can look exactly like a dead thermostat, and we would rather find that than sell you a part you do not need. We replace when the display is dead with good power, when the reading drifts several degrees off, when contacts stick and the system will not shut off, or when the unit no longer controls a system that has been changed out.
Other thermostat installation work
The same on every visit
Written quote before any work
Covering 89 cities across Florida, Georgia, South Carolina.A real person answers
Open 7 days, 8:00 AM to 5:00 PM ET.Independent of every manufacturer
Carrier, Trane, Lennox, Goodman and more. We are not an authorized dealer for any of them.Thermostat Replacement — quick answers
Can I keep my old thermostat when I replace the outdoor unit?
Often yes, if the wiring and staging match the new equipment. Variable speed and multi stage systems usually need a compatible control. We tell you before the changeout so there are no surprises on startup day.
Do smart thermostats work on well water homes with heat pumps?
The water source does not matter, but the wiring does. Most smart models need a common wire for steady power. If yours does not have one, we can often add it or fit a model that runs without it.
Will a new thermostat fix a system that cools poorly?
Usually not. If the thermostat is calling and the equipment responds, weak cooling points to airflow, refrigerant charge or a failing part. We test the system first rather than replacing the control and hoping.
How it works
- Step 1
Tell us the symptoms
You describe what changed. No cold air, a breaker that keeps tripping, water near the air handler, a smell, a noise. That gives us a head start on parts before we ever leave the shop.
- Step 2
We diagnose on site
A technician checks the thermostat, the electrical side, airflow through the filter and coil, refrigerant behavior and the outdoor unit. We look at the whole system, because a frozen coil usually points somewhere else.
- Step 3
You decide the repair
We explain what failed, what it takes to fix it, and how long the rest of the system is likely to hold up. You pick the repair. We do not start work you did not approve.
- A real person answers
- Open 7 days
- Written quote before work starts
Why homeowners call us
- Rural routes are normal for usWe drive long stretches between calls and we plan for it. Trucks carry the common heat pump and air conditioner repair parts so a diagnosis does not turn into a second trip on a hot afternoon.
- Heat pumps and sandy soilMost homes we visit run a heat pump, and sand, lawn clippings and pollen pack the outdoor coil fast. We clear it, check the defrost side in winter, and show you what we found before we close it up.
- Well water housesHomes on well water bring their own quirks, from pump-driven electrical noise to hard water on drain lines and condensate pans. We know where those systems clog and where the slow leaks hide.
- Heating repair tooCold snaps in this region are short and hard. We do heating repair and heater repair on heat pumps, strip heat and furnaces, so one crew handles your system in July and again in January.
- All major brands, gas & electricOne independent crew for Carrier, Trane, Lennox, Goodman, Rheem and more.
- Straight answersIf a system is not worth repairing, we say so, often right on the phone.
Thermostat Replacement
Ready to book thermostat replacement?
Describe the system and your ZIP. The written quote comes before any work.
- A real person answers
- Open 7 days
- Written quotes
- All major brands
- Gas & electric
Rather not call? Get a free quote →