If your furnace is producing warm air but you can’t seem to get the desired temperature, it could mean your thermostat is faulty. Try adjusting the temperature up and see if your system reacts. The temperature sensor could be malfunctioning, in which case you’ll want to call an HVAC Comfort Tech.
There are several reasons your furnace might be underperforming beyond the thermostat. A full-service furnace tune-up allows our team to inspect your heating system and take steps to improve heating performance.