If your furnace is not working properly, there are several steps you can take to troubleshoot the issue before calling a professional for furnace repair.

1. Check the thermostat: make sure the thermostat is set to the desired temperature and is in the "heat" mode. Replace the batteries if necessary.

2. Check the air filter: a dirty air filter can cause the furnace to work inefficiently or even shut down. Replace the air filter if it is dirty.

3. Check the circuit breaker: if the furnace is not getting power, check the circuit breaker to see if it has tripped.

4. Check the gas supply: if you have a gas furnace, make sure the gas supply is turned on.

5. Check the pilot light: if your furnace has a pilot light, make sure it is lit.

If you have tried these steps and your furnace is still not working, it's time to call a professional furnace repair technician. Our qualified technicians can diagnose and repair any issues with your furnace, ensuring that it runs efficiently and safely.