Should the fan be on my thermostat?

Keeping your fan on AUTO is the most energy-efficient option. The fan only runs when the system is on and not continuously. There is better dehumidification in your home during the summer months. When your fan is set to AUTO, moisture from cold cooling coils can drip and be drained outside.

Should I turn fan on with heat?

Unlike your heater or air conditioner, you shouldn’t turn ceiling fans on and let them run continuously, even when you’re not in the room. In most cases, to benefit from ceiling fan use, you need to be in the room to take advantage of the enhanced heating. The fans won’t distribute heat throughout your home.

Why does my fan not run when I Turn on the thermostat?

This problem can happen in both heating and cooling mode. Rule out bad fan motor or no power to fan. First, by noting that the fan will run when you set the thermostat to FAN ON we know that the fan has power and the fan motor starts and runs just fine. So the problem is elsewhere.

Can a heat pump fan be set to ” on “?

I have a Rheem RHPL-HM2421JC air handler, a Rheem 1.5 ton heat pump condensing unit, and a comfort control thermostat. The heat and fan worked well over winter. I can also turn the fan mode to “on” and the fan will run. However, if the system is in cool mode and the fan is set to ‘auto’, nothing happens.

Why does my HVAC blower fan not work?

Measure voltage between C (or the common side of the transformer), and the wire that was connected to Y. You should get about 24 volts AC. If you don’t there’s a problem with the thermostat, or the wire between the thermostat and furnace. If you do, then the problem likely lies within the control board.

Can you control the fan on a Nest Thermostat?

You can control your fan on your thermostat or with the Nest app. Note: If you don’t have a separate fan wire installed, you won’t see the fan option, and you won’t be able to use any of the fan settings. Your fan will only run while your system is actively heating or cooling.

Why is the cooling fan not working?

If you think the cooling fan isn’t working because your temperature gauge is indicating overheating , open the hood, start the engine, and let it idle for 15 to 20 minutes. If the fan comes on, you may have a bad temperature sensor or gauge .

Why is my cooling system not working?

One of the most common causes of the “cooling system” message is a malfunctioning cooling fan. Your laptop fan could stop working if it becomes too clogged with dust, or suffers damage from an accidental drop. If you receive the message shortly after your laptop received a nasty spill, the fan may require replacement.

What does the fan switch on my thermostat do?

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.

What does the fan on the thermostat do?

The fan setting on your thermostat controls your system’s blower, which distributes air throughout your home. This setting is usually a switch with an ‘On’ and an ‘Auto’ option.