Thermostat Installation & Upgrades

Upgrading to a smart or programmable thermostat can lower energy costs and enhance comfort in your Illinois home. We install and configure top brands (Nest, Ecobee, Honeywell) and ensure seamless integration with your existing HVAC system.

Upgrading to a smart or programmable thermostat can lower energy costs and enhance comfort in your Illinois home. We install and configure top brands (Nest, Ecobee, Honeywell) and ensure seamless integration with your existing HVAC system.

Thermostat Upgrades

From comfortable Chicago condos to suburban residences, Illinois homeowners can benefit significantly from smart or programmable thermostats. These devices learn your schedule, adjust temperatures automatically, and can be controlled remotely—ideal for cold winters and hot, humid summers. We install Nest, Ecobee, Honeywell, or any major brand you prefer, ensuring your new thermostat always has a reliable C-wire connection and stable Wi-Fi connectivity.

What We Offer

Our complete thermostat service includes:

  • Compatibility check with your existing HVAC control board
  • Mounting and wiring of the new thermostat (including C-wire installation if needed)
  • Wi-Fi configuration and mobile app setup
  • Programming of schedules, geofencing, and vacation modes
  • Diagnostics to confirm proper call-for-heat and call-for-cool signals

How to Know If You Need a Thermostat Upgrade

Consider upgrading if you experience any of these issues:

  • Frequent short cycling (HVAC turns on and off rapidly)
  • Difficulty maintaining a consistent indoor temperature
  • An old manual thermostat that lacks programmable features
  • High energy bills despite normal usage patterns
  • Desire to control your HVAC from your smartphone or voice assistant

Why Choose Smart Heat of Illinois for Thermostats?

Founded in 2010, Smart Heat of Illinois is a family-owned and operated business with over 20 years of combined experience. We’ve installed thousands of thermostats—from basic programmable units to advanced learning models with multiple sensors. We ensure proper installation (including safe C-wire retrofits) so your new thermostat never loses power or Wi-Fi connectivity. We also perform basic HVAC diagnostics—checking blower operation, duct pressure, and refrigerant levels—to confirm that your new thermostat accurately controls your system. Every installation comes with a 1-year labor warranty and manufacturer warranty on the device.

Monday – Friday, 8AM – 6PM (weekends by request)

30–60 minutes for standard installations

1-year labor warranty on thermostat installations

Nest, Ecobee, Honeywell, Emerson, Lux

Q: Will a smart thermostat work with my older HVAC system?

A: Most modern smart thermostats are compatible with standard 24V heating/cooling systems. We’ll confirm compatibility during your estimate.

Q: Can I control my thermostat remotely?

A: Absolutely—once set up, you can adjust temperatures via smartphone, tablet, or web browser from any location with internet access.