Furnace settings are two-stage. A two-stage furnace does not need to run at full capacity after starting. A two-stage furnace can be set to a lower setting on warmer days to save energy and extend its longevity.
After detecting a refrigerant leak, a leak search is required. Some companies utilise soap bubbles to find refrigerant leaks, but only an electronic leak detector works. These sophisticated monitoring devices can detect even the smallest breaches. Owing to the different methods used to find HVAC leaks, you'll find the answers for HVAC leaks by different companies are different.
Leaving the heater on consistently or at high temperatures is not dangerous for your furnace, but it will work harder and diminish its efficiency and lifespan. If your furnace runs often, your utility expenses will rise.
The heat exchanger block should be cleaned and vacuumed. As a first step, turn off the gas supply if your furnace uses gas and unplug it. Finally, take a toothbrush to the chambers to remove the residue. Remove any dust or debris from each compartment by vacuuming with a thin attachment.