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GrahamF
GrahamF
@grahamf
Member
Estimable Member
Joined: May 2, 2025
Last seen: Oct 24, 2025
Profile Activity
Topics: 4 / Replies: 76
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Reply
RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus

@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...

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus

@downfield it is curious that you are reporting quite positively about EPC Improvements. @drei has been alleging serious problems with their installa...

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How good is the app support for your heat pump?

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...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Should Our Water Circulation Pump Be Configured to Run All The Time?

@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 ...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Should Our Water Circulation Pump Be Configured to Run All The Time?

@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 ...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Should Our Water Circulation Pump Be Configured to Run All The Time?

@grantmethestrength In winter, one would hope that the heat pump compressor is running continuously, so then the water pump must be running all the ...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Large heat pump options for church building

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...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Should Our Water Circulation Pump Be Configured to Run All The Time?

@jamespa I tried both settings. Pump blockade definitely controls the whether its internal water pump stops when the compressor stops. The energy...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Should Our Water Circulation Pump Be Configured to Run All The Time?

@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...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Should Our Water Circulation Pump Be Configured to Run All The Time?

@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...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Should Our Water Circulation Pump Be Configured to Run All The Time?
2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 23
Views: 295
Reply
RE: Heat loss calculations and how they work in conjunction with heat pump sizing

Yes that is a very fair point. I was thinking of the situation where you really need a 10kW heat pump, but install a 12kW or 16kW. Other items could...

2 weeks ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
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