BoilerCosts2026-02-22
How Much Does a Smart Thermostat Cost Installed?
Smart-thermostat cost varies by model; OpenTherm setup unlocks 10–15% savings.
A smart, modulation-aware thermostat can pay for itself in heating savings. Here's the cost.
Supply and install
Pricing depends on the thermostat model and whether a C-wire or multi-zone wiring is needed.
The savings
OpenTherm and weather-compensation setup lets a modulating boiler run cooler and longer, saving roughly 10–15%.
Key takeaways
- Cost varies by model
- C-wire may be needed
- OpenTherm unlocks the most savings
- Professional setup matters
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