Live in the northeast and have been using heat pump for heat pumps exclusively for a few years. I keep track of the Indoor unit temps to see if any changes occur which might be a sign of issues. I use a wemos D1 mini with ds18b20 temp sensors and the data goes into home assistant to get logged. The heat pump unit is a rebadged gree flexx sold by Mr cool as the universal. I had existing ductwork and air handler so all I had to do to convert from gas furnace to heat pump is swap out the outdoor unit. I did it myself by buying a scratch and dent unit online for $1k and about $599 worth of tools. It has been problem free for 3 years running. Â The furnace is still hooked up to gas as emergency backup heat. Since I have solar there is no financial point at which gas is more viable so I run my heat pump until the indoor temp cannot maintain temp and it drops 2 degrees lower than setpoint( has not occurred ). The unit has worked down to -10 F and 40 mph winds. At -10 it started to not be able to keep up and the gas switched over too soon but I was because my settings were not set up correctly on the thermostat.Â
I know nothing about these, but it seems wild to me that a part could experience a 60 degree fluctuation roughly once per hour and not wear out quickly.
![[OC] Tracking heat pump performance by tracking indoor unit temperatures](https://www.europesays.com/wp-content/uploads/2024/12/v10s1ly1vl9e1-1290x1024.jpeg)
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Live in the northeast and have been using heat pump for heat pumps exclusively for a few years. I keep track of the Indoor unit temps to see if any changes occur which might be a sign of issues. I use a wemos D1 mini with ds18b20 temp sensors and the data goes into home assistant to get logged. The heat pump unit is a rebadged gree flexx sold by Mr cool as the universal. I had existing ductwork and air handler so all I had to do to convert from gas furnace to heat pump is swap out the outdoor unit. I did it myself by buying a scratch and dent unit online for $1k and about $599 worth of tools. It has been problem free for 3 years running. Â The furnace is still hooked up to gas as emergency backup heat. Since I have solar there is no financial point at which gas is more viable so I run my heat pump until the indoor temp cannot maintain temp and it drops 2 degrees lower than setpoint( has not occurred ). The unit has worked down to -10 F and 40 mph winds. At -10 it started to not be able to keep up and the gas switched over too soon but I was because my settings were not set up correctly on the thermostat.Â
I know nothing about these, but it seems wild to me that a part could experience a 60 degree fluctuation roughly once per hour and not wear out quickly.
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