Your filter is dirty. A clogged filter is probably the most common reason for this problem, so it's a good place to start investigating. Take a look at your filter and, if it's really dirty and clogged, it means there's restricted airflow to your furnace. This may be keeping it from being able to create heat.
What would cause my heat not to kick on?
If your furnace won't turn on, it's almost always because you've not had it tuned for a long time. Often, the issue is that the heating system is simply dirty. If your furnace has a dirty blower, the blower could cause equipment failure. ... In short, a dirty blower can cause the heat exchanger to fail.6 ene 2020
What would cause a thermostat to stop working?
There simply may not be any power going to your thermostat. This could be caused by a poor connection, blown fuse, dead batteries, or a tripped circuit breaker. If all of these areas look good and your unit should be receiving power, the issue lies elsewhere.18 ene 2021
How do I know if my thermostat is broken?
- Your HVAC System Won't Turn on. ...
- Your Air Conditioner or Heater Runs Non-Stop. ...
- Differing Temperature Readings Throughout the Home. ...
- Short-Cycling. ...
- Programmed Settings Keep Getting Deleted. ...
- There's No Response to Changes in Temperature Settings.
How do I reset my thermostat?
- Turn your thermostat off by switching it to the off position.
- Find the breaker that powers your HVAC system and turn it off.
- Wait 30 seconds and turn the breaker back on.
- Turn your thermostat back on.