Fan Only On Nest Thermostat

The nest learning thermostat is compatible with system fans that have up to three fan speeds.

Ceiling fan installation without downrod. Theres also usually an auto mode that turns it on whenever the ac or heat is turned on. Most thermostats have a setting where you can run the hvac fan only but the customizations are rather limited and you likely can only turn it on and off. I had an old thermostat that i was able to set to fan only.

Wiring the fan only option is not difficult as long as the thermostat model includes this option and involves a single wire and a little patience. Weve got two nest learning thermostats 3rd gen running two separate heating and cooling units in an office. 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.

But it only comes in white and has fewer features. They both work fine for heating and cooling with one exception. If your hvac system has a separate fan wire youll be able to turn your fan without turning on your heating or cooling.

If your system has more than one fan wire youll need to contact a pro to have your nest thermostat installed. How to install and set up the nest thermostat. Some systems that need to be installed by a pro include systems with g2 g3 gm or gh wires.

The nest e thermostat is compatible with single system fans while the nest learning thermostat supports system fans with up to three speeds. I cant run my fan unless im on heat or cool. The old thermostat had a fan only mode that worked fine.

The nest thermostat is on its third generation and has saved over 56 billion kwh of energy. 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. I had my nest professionally installed recently by an hvac technician who also installed a new furnace.

Im already a fan dont show this again. Step 1 read the instructions that came with the thermostat and the furnace. Your google nest thermostat offers a simple way to turn the fan on whenever you want.

One unit will not turn on the fan only. For example you can set the fan to run all night and automatically turn off in the morning. In case you have multiple fan wires you need to use a nest pro for your nest thermostat installation.

Neither of the nest thermostats is compatible with high voltage forced air system or fans with.