Compatibility
• 24V HVAC
• conventional heating, one stage or two stage
• conventional cooling, one stage
• gas, oil, electric, solar, geothermal systems
• one-stage heat pump with auxiliary heat
• zone systems with or without dampers
Common "C" wire not needed in 99%
of installations.
The Nest Learning Thermostat is not compatible
with millivolt systems or high voltage (110V,
220V) systems.
Note: Before you install Nest, watch the
installation video at nest.com/support.
Need more help?
Find product info, Nest Limited Warranty
terms, tips and troubleshooting help at
nest.com/support or call us toll free
at 855-4MY-NEST.
Need help?
Do you have a question about the Learning Thermostat and is the answer not in the manual?
Questions and answers