Thermostats & Controls · Nationwide
Thermostat installation and repair
Most smart thermostats need a common (C) wire and correct setup for your equipment, especially heat pumps with auxiliary heat. A tech can add a C-wire, configure staging and aux heat lockout, and fix a blank or unresponsive thermostat.
- Same-day appointments when available
- Licensed HVAC contractors
- Written price before any repair

Many utilities run demand-response programs that pre-cool or adjust connected thermostats during peak hours, sometimes with bill credits. Check the program terms before enrolling.
A blank thermostat is often a blown 3-amp fuse on the furnace board or a tripped float switch, not a bad thermostat.
Thermostat Installation & Repair at a glance
- Category
- Thermostats & Controls
- Service area
- Nationwide
- Typical visit
- Check wiring → Install → Configure → Test
- Urgent help
- Scheduled service
- Equipment covered
- Smart thermostats, Programmable thermostats, C-wire adapters, Remote sensors
Symptoms
Signs you need thermostat installation & repair
- Blank display
- System won't respond to settings
- Heat pump using aux heat too often
- Thermostat reads the wrong temperature
Process
How the visit works
- 1
Check wiring
Terminals, C-wire and transformer.
- 2
Install
Mount, wire and level the thermostat.
- 3
Configure
Equipment type, stages, aux heat and fan settings.
- 4
Test
Cool, heat and fan modes.
Cost
What affects the price
Every contractor sets their own prices. These are the things that move the number. Ask for a written price before work starts.
- C-wire addition
- Thermostat model
- Multi-stage or zoned systems
Before the tech arrives
What you can safely do
Safe to try
- Replace batteries
- Photograph wiring before removing an old thermostat
Stop and call
- Shut off power at the furnace before touching wires
Example
Thermostat Installation & Repair: before and after
Drag the slider to compare. These are illustrative stock photos, not jobs completed by contractors in our network.


Basic thermostat → smart thermostat
A smart thermostat, wired with a C-wire and set up for your equipment, adds scheduling and remote control.
Thermostat Installation & Repair →FAQ
Thermostat Installation & Repair questions
Where should a thermostat not go?+
Avoid sun-struck walls, spots near supply registers or kitchens, and exterior walls. These cause false readings.
Thermostat Installation & Repair by state
Need heating or cooling help now?
Call to be connected with a licensed HVAC contractor serving your ZIP code, or send a request online.


