https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-learning/m-p/665898#M130086 <P>I plan on purchasing nest learning , can this thermostat be connected to a furnace with just two wires. some google sources say that nest needs min 3wires to operate .&nbsp;</P> Mon, 30 Dec 2024 01:15:57 GMT Kurek 2024-12-30T01:15:57Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-learning/m-p/665898#M130086 <P>I plan on purchasing nest learning , can this thermostat be connected to a furnace with just two wires. some google sources say that nest needs min 3wires to operate .&nbsp;</P> Mon, 30 Dec 2024 01:15:57 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-learning/m-p/665898#M130086 Kurek 2024-12-30T01:15:57Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-learning/m-p/666792#M130226 <P>Hi&nbsp;<a href="https://www.googlenestcommunity.com/t5/user/viewprofilepage/user-id/634613">@Kurek</a>,</P> <P>&nbsp;</P> <P>Thanks for posting here in the community. I understand your concern about connecting your Nest Learning Thermostat to a furnace with only two wires. I'm happy to help!</P> <P>To better assist you, Would you mind sharing a picture of your current thermostat wiring?</P> <P>In the meantime, let's check a few tips:</P> <UL> <LI><STRONG>Installation: </STRONG>Nest Learning Thermostats can generally operate with just two wires. However, if you experience power issues or frequent battery drain, installing a C-wire is recommended. <A href="https://support.google.com/googlenest/answer/9251212?hl=en#:~:text=With%20a%20Nest%20Thermostat%20E%20or%20Nest%20Learning%20Thermostat%2C%20you%E2%80%99ll%20need%20to%20install%20a%20C%20wire%20if%20the%20thermostat%20has%20power%20issues%20or%20its%20battery%20often%20drains." target="_blank" rel="noopener">Visit our Help Center to learn more about Learn about the common or C wire.</A></LI> <LI><STRONG>Compatibility: </STRONG>To check if the thermostat is compatible with your system. Refer to this article: <A href="https://store.google.com/gb/widget/compatibility/thermostat?hl=en-GB" target="_blank" rel="noopener">Compatibility Checker</A>.</LI> </UL> <P>Keep me posted.</P> <P>&nbsp;</P> <P>Best regards,</P> <P>Melany</P> Fri, 03 Jan 2025 00:08:35 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-learning/m-p/666792#M130226 gmelanymelissa 2025-01-03T00:08:35Z