from $239.99
Color: Silver
2 configurations available
The Google Nest Learning Thermostat (4th Gen) in Polished Silver is a smart thermostat designed to intelligently manage your home or office climate. This ENERGY STAR certified device features a 3.9-inch diameter with a 600x600 resolution backlit display, controlled via touch. It includes motion, temperature, humidity, and ambient light sensors, and comes with a Nest Temperature Sensor (2nd gen) for enhanced environmental monitoring. Powered by your HVAC system wiring, it is programmable, app-compatible via Wi-Fi and Bluetooth, and supports English, Spanish, and French.
Check your existing wiring before buying. Smart thermostats highly prefer a 'C-wire' (Common wire) for continuous power, otherwise they must steal power or rely on disposable batteries. Available from $239.99.
The device itself costs pennies to power. The true 'cost' of a smart thermostat is the investment return; a properly programmed one saves 10-15% on annual HVAC costs.
Common Failure Modes
Smart thermostats can suffer from Wi-Fi chip failure or internal battery degradation. On older models, mechanical relays can stick, causing the AC or heat to run continuously.
Check your existing wiring before buying. Smart thermostats highly prefer a 'C-wire' (Common wire) for continuous power, otherwise they must steal power or rely on disposable batteries.
A thermostat typically lasts 10 to 15 years for programmable models and longer for simple mechanical models. Smart thermostats may have shorter lifespans of 5 to 10 years due to software obsolescence and battery degradation. Signs of end-of-life include unresponsive controls, incorrect temperature readings, the HVAC system not responding to setting changes, and Wi-Fi connectivity issues on smart models.
The Google Nest Learning Thermostat (4th Gen), Polished Silver is available at homedepot, abt, microcenter, starting at $239.99.
The device itself costs pennies to power. The true 'cost' of a smart thermostat is the investment return; a properly programmed one saves 10-15% on annual HVAC costs.
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