If your thermostat is blowing cold air when the heat is on, there are a few things you can do to try and fix the problem. First, you can turn the thermostat up to full heat and wait a few minutes for the system to heat up. Additionally, ensure that the thermostat is set to "heat" mode, and set the fan switch on your thermostat to "auto."

You can also check the batteries in your thermostat if applicable. When you have a thermostat blowing cold air on heat, it can be incredibly inconvenient and sometimes dangerous. So first, get your heater functioning and bring back the warm air with tips and HVAC system fixes. Otherwise, call an HVAC system contractor to look at your heat pump, pilot light, and heater to see what's causing your malfunction.

Please turn up your thermostat to full heat to test it.

thermostat

If your thermostat is blowing cold air when the heating system is turned on, you may need to adjust the thermostat settings or replace the thermostat. If you have a manual thermostat, turn it up to full heat and wait a few minutes for the system to heat up. If the system does not heat up, the thermostat may need to be replaced. If you have an automatic thermostat, the thermostat may need to be adjusted.

You may require a furnace repair or a new furnace if you've been using an older furnace that doesn't perform on its heat cycle. A dirty air filter or blower blockage can impact your furnace as well. If you have a dirty filter, see what size your furnace needs and buy a replacement at your local home goods store. Find an appropriate furnace filter to catch debris, contaminants, allergens, and other airborne problems. Without an air filter, some furnaces won't run.

Check your thermostat batteries.

If your thermostat is not producing heat, the first thing you should do is check the batteries. If they are low or dead, replace them. Once the batteries are replaced, test the thermostat by turning it on. If it is still not working, you may need to call a professional to troubleshoot the problem.

Ensure that your furnace is functioning.

If your thermostat is blowing cold air on heat mode, likely, the thermostat is not set to "heat" mode. To prevent your thermostat from blowing cold air on heat mode, make sure that the thermostat is set to "heat" mode. Sometimes, there are issues a pro should tackle. If any furnace problems require an additional safety measure, you may want to call a furnace or HVAC expert.

Working with a professional HVAC technician can help ensure that your furnace blower is operating. An HVAC technician can spot a common problem with your furnace and help you take the next step to address possible causes. In some cases, you may want to upgrade to a high-efficiency furnace.

Reset your thermostat's fan switch.

thermostat's fan

If you are having trouble getting your thermostat to low heat, the first thing you should check is the fan switch. The fan switch is located on the HVAC thermostat and should be set to "auto." If the fan switch is set to "on," the thermostat will blow cold air on heat.

You can do a few things to prevent your thermostat from blowing cold air on heat. First, check the thermostat's settings and ensure it is set to "heat." You may also want to check the thermostat's location in your home. If it is in a drafty area, it may be blowing cold air on heat. Finally, clean the thermostat's filter regularly to ensure it functions correctly.