Fan Only On Nest

Weve got two nest learning thermostats 3rd gen running two separate heating and cooling units in an office.

Cpu fan on and off repeatedly. I cant run my fan unless im on heat or cool. Open up the nest app on your phone and select your nest thermostat on the main screen. You just cant go wrong with this designer grade smart fan.

From what i read this means im missing an extra wire. One unit will not turn on the fan only. Not only does this fan have a sleek modern look but it is also extremely reliable and made from a reputable company.

Just an additional information if you have a separate wire for the fan g terminal and you selected fan mode on your thermostat the heating or cooling will not going to kick in unless the minimum temperature for the cooling and heating has been reached thats the only time that your cooling or heating will turn on. Does this make sense if i used to have this function with. I had an old thermostat that i was able to set to fan only.

From the nest app. During the setup of the nest it tested the heat works heat comes on and fan blows tested the cooling works ac comes on and fan blows and tested the fan worked presumably fan came on. They both work fine for heating and cooling with one exception.

I had my nest professionally installed recently by an hvac technician who also installed a new furnace. The nest e thermostat is compatible with single system fans while the nest learning thermostat supports system fans with up to three speeds. Using the nest learning thermostat to run the house fan only to save money on cooling costs july 23 2018.

If your system has more than one fan wire youll need to contact a pro to have your nest thermostat installed. The fan comes on as normal for both ac probably too cold to test and heat but if set to run fan only nothing happens. Neither of the nest thermostats is compatible with high voltage forced air system or fans with.

There are different intervals to choose from and you can have it on for up to 12 hours straight. In case you have multiple fan wires you need to use a nest pro for your nest thermostat installation. The old thermostat had a fan only mode that worked fine.

From here you can get quick access to the fan timer and set it for a specific amount of time to be on. At the bottom tap on fan. Some systems that need to be installed by a pro include systems with g2 g3 gm or gh wires.

For energy savings it can even sync up to smart home thermostats like nest or ecobee. When combined with a smart thermostat the fan can work in tandem with. The nest learning thermostat is compatible with system fans that have up to three fan speeds.

Tap on the fan tab at the bottom of the screen on the main screen and select a time.