A poor indicator that the heat is coming on

When our up-to-date furnace was installed both of us were amazed at how quiet it was.

  • Both of us were used to hearing the drone of the outdated on each time it kicked on plus now both of us hear nothing.

It is a great feature however sometimes I wonder if it is one or not. There is one funny indicator that I like telling people about. My Cat! Animals have a much more sensitive hearing ability plus 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 typically a delay between when the furnace turns on plus when the air comes out. This is due to the high-limit switch. In easy terms this is section of the furnace plus makes sure the air is heated before sending it through the HVAC duct. If your plan did not have this it would blow frigid air until it was able to heat it up each time. This would be like blasting the heat in the car while the engine is still cold. You would be irritated during that time plus it would make you colder than you were plus it would take longer to heat the space or your car. If you ever notice that your furnace is blowing very frigid air prior to hot air you may want to have this section checked to make sure it is still laboring properly. Because this section gets a lot of use it can wear out over time plus should be section of your correct tune up routine too.


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