Quote:
Originally Posted by retiredguy123
Can you explain why a heat pump needs 80 different steps of cooling to keep a house at the proper temperature? Why would it use step 20 at one time and then change to step 60 for another time? Whatever of those 80 steps is being used, it will be the same for all rooms in the house, if you only have one zone. As I have said, my house temperature never deviates more than one degree from the thermostat setting in any room at any time.
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As I am sure you know, a heat pump runs most efficiently when it is running continuously. So a system would use step 20 on a cooler day and 60 on a warmer one. In both cases running the unit continuously.
It is amazing that your whole home never deviates more than 1 degree (F) from the thermostat set temperature. That is such a tiny number. You have only one thermostat so you must keep a thermometer in every room in order to know that. and you must really fine tune the dampers as the heat load differs from room to room. But I am just speculating. Regardless, congrats on having an incredible home. In my house the temperature in the corners of the house differs by more then 1 deg F from the temperature at the thermostat.