When our modern furnace was installed both of us were amazed at how quiet it was.
The two of us were used to hearing the drone of the aged on each time it kicked on as well as now both of us hear nothing. It is a great feature however sometimes I wonder if it is 1 or not. There is 1 funny indicator that I adore telling people about. My Cat! Animals have a much more sensitive hearing ability as well as she can still hear the furnace kick on. She immediately runs to the floor vent to wait for the rush of air to come out. She almost seems impatient as she waits. There is regularly a delay between when the furnace turns on as well as when the air comes out. This is due to the high-limit switch. In straight-forward terms this is section of the furnace as well as makes sure the air is heated before sending it through the HVAC duct. If your method did not have this it would blow cold air until it was able to heat it up each time. This would be adore blasting the heat in the automobile while the engine is still cold. You would be annoyed while I was in that time as well as it would make you colder than you were as well as it would take longer to heat the space or your car. If you ever notice that your furnace is blowing honestly cold air prior to moderate air you may want to have this section diagnosed to make sure it is still working respectfully. Because this section gets a lot of use it can wear out over time as well as should be section of your proper tune up routine too.