Smart Thermostats That Actually Save Money
After testing eight smart thermostats over six months, we found that the best models reduce heating and cooling costs by 10-15% through intelligent scheduling and occupancy detection.
Best Overall: Ecobee Smart Thermostat Premium
The Premium model includes a room sensor for multi-zone comfort, built-in air quality monitoring, and excellent HVAC system health tracking. Learning algorithms adapt to your schedule within two weeks. Average energy savings in our test: 14.2%. Priced at $249.
Best for Google Users: Google Nest Learning Thermostat 5
The fifth-generation Nest has the most accurate occupancy prediction thanks to Google's AI. The new Soli radar sensor detects presence without cameras. Integrates seamlessly with Google Home routines. Energy savings averaged 12.8%. $229.
Best Budget: Amazon Smart Thermostat 2
At $79, this is the cheapest smart thermostat worth buying. Built with Honeywell technology, it offers scheduling, geofencing, and Alexa integration. No learning features, but reliable and simple. Energy savings: 9.5%.
Installation Tips
- Check for a C-wire before buying (most modern thermostats need one)
- Label your existing wires before disconnecting the old thermostat
- Most installations take 20-30 minutes with basic tools
- Professional installation costs $100-150 if you prefer
Rebates and Incentives
Many utility companies offer $50-100 rebates for smart thermostat installation. Check your local utility's website before purchasing. Some states also offer tax credits for energy-efficient home upgrades.
