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Last seen: Sep 15, 2026
Some photos might help as well.
@jamespa I agree that people should use measurements of the performance of the existing system as input to their heat loss estimate. It makes sense t...
@jords it sounds as though you have been having a frustrating time. I had some similar experiences. Here are a few pointers: All installers have...
@downfield it is curious that you are reporting quite positively about EPC Improvements. @drei has been alleging serious problems with their installa...
We have a Grant Aerona 290 15.5kW heat pump with their new Smart Controller. The controller, econet24 app and web site are all pretty good. The m...
@kenbone thanks for this input. It sounds like a better approach. Please could you tell me the model of heat pump you are using and point me to the ...
@jamespa unlike some systems, the Grant Aerona does have the ability to install a firmware upgrade. The Grant support engineer told me that they are ...
@grantmethestrength In winter, one would hope that the heat pump compressor is running continuously, so then the water pump must be running all the ...
This church project has more in common with a commercial building than a home. Maybe an obvious point, but it is important to consider how quickly...
@jamespa I tried both settings. Pump blockade definitely controls the whether its internal water pump stops when the compressor stops. The energy...
@iaack I could still use weather compensation to control the flow temperature, even with Pump Blockade = Yes, but the room thermostat in the Grant Aer...
@dgclimatecontrol just to clarify, the water pump is inside the heat pump. It is controlled by the Grant Smart Controller that also contains a thermo...
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