https://www.googlenestcommunity.com/t5/Nest-Thermostats/Wiring/m-p/86685#M19432 <P>So have a single zone system gas furnace with air conditioning. One nest on second floor for a/c one thermostat on first floor for heat. Need help with wiring both together to one furnace that also provides blower for ac</P> Tue, 18 Jan 2022 19:05:13 GMT Djackson66 2022-01-18T19:05:13Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Wiring/m-p/86685#M19432 <P>So have a single zone system gas furnace with air conditioning. One nest on second floor for a/c one thermostat on first floor for heat. Need help with wiring both together to one furnace that also provides blower for ac</P> Tue, 18 Jan 2022 19:05:13 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Wiring/m-p/86685#M19432 Djackson66 2022-01-18T19:05:13Z