Does the thermostat control the fan?

The fan setting on your thermostat controls your HVAC’s system blower. The blower helps circulate hot or cold air throughout your home until the temperature on the thermostat is reached. There are two settings on your thermostat to control the fan – auto or on.

Why does my thermostat fan keep running?

Faulty Thermostat: If both the fan and either the cooling or heating system are running unexpectedly, you may have a faulty thermostat. Broken Relay Switch or Short Circuit: If only the fan is running, there may be a broken relay switch preventing the settings you enter on the thermostat from being sent to the fan.

Why is my furnace fan not kicking on?

If you see or hear the fan turn on, your blower motor is not the culprit. If the fan does not start, you have a wiring issue (circuit breaker trips) or motor problem (circuit breaker does not trip). While your thermostat may be at fault, only an HVAC technician can diagnose and remedy the issue correctly.

Does fan on thermostat use electricity?

The fan itself runs about as much energy as a refrigerator would. This can still add up to $50 a month, or $600 a year. This cost can be even higher if you consider the AC unit working harder to counteract the effects the fan may have. There are times though that using the fan has benefits.

Should the thermostat fan be on AUTO or on for heat?

If you want to keep the energy bills low, you should set the thermostat to ‘Auto’. However, if you prefer more even distribution of heat inside the house, it’s better that you set the thermostat setting to ‘On’.

Why is my AC fan won’t turn off?

The most common reason that your Air Conditioner fan won’t turn off is because a stuck relay keeping the circuit closed. If it’s not the relay, your thermostat likely has a shorted cable or needs to be replaced.

How do you reset a furnace fan?

Locate the reset button on the furnace and press it to reset the furnace. It is usually located inside the blower compartment on the side of the blower motor. Be cautious as the housing may be hot. If the button is popped up, press it down.

Why does my thermostat not turn on?

Turn off the furnace by closing the valve that allows gas into the furnace.

  • Once the furnace is turned off,locate the porcelain base. There should be a metal rod attached to it.
  • Use a rust-free straight-edged knife or steel wool to clean the metal rod. Do it slowly and gently in order to not detach the rod from the base.

    • How to fix ecobee thermostat not turning on?

    – The wiring at your ecobee thermostat – The wiring at your terminal block/air handler/furnace board – The wiring at the Power Extender Kit (if applicable) – The wiring at any wire splice points or wire nuts/marrettes

    Why is there no heat when thermostat turned on?

    – Wait for 10-15 minutes. The mercury in the glass tube thermometer needs to stabilize. – Compare the readings. – If the variation is more than one degree, then something is wrong with the thermostat.

    What happens if you do not use a thermostat?

    basicly if you do not run a thermostat your engine will firstly run rich due to the sensors reading cold engine temp, the extra fuel washes the cylinder bores causing the lubricating oil to become diluted and metal to metal contact to occour, also wear is increased by the fact that the oil wont have reached operating temp where its additives