Basic
$146 – $389 each
Non-programmable digital thermostat with backlit display, matched to the system type, wired to existing conductors, tested

One thermostat supplied and installed (remove old, wire in new, test) on existing HVAC wiring; C-wire or new wiring extra.
Install Thermostat in Seattle, Washington typically costs $172 to $458 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Seattle are 19.0% higher than the national average for install thermostat.
National average: $150 – $400 each
$146 – $389 each
Non-programmable digital thermostat with backlit display, matched to the system type, wired to existing conductors, tested
$172 – $458 each
7-day programmable digital thermostat with backlit touchscreen, wired to existing conductors, schedule set, heat and cool tested
$215 – $573 each
Wi-Fi smart thermostat with color touchscreen and app control, on compatible existing wiring, schedule and app set up, tested
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $71 – $187 | each |
| Labor | labor | $70 – $188 | each |
| Supplies & Other | supplies | $19 – $50 | each |
| Equipment & Disposal | equipment | $12 – $33 | each |
Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local install thermostat contractors in Seattle for personalized quotes based on your specific project.