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GrahamF
GrahamF
@grahamf
Member
Estimable Member
Joined: May 2, 2025
Last seen: Apr 20, 2026
Profile Activity
Topics: 6 / Replies: 115
AllTopicsReplies
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RE: When to use Octopus Intelligent Go tariff with my heat pump and battery

We are on the Intelligent Octopus Go tariff. We installed a heat pump in the summer and our solar panel and battery installation is almost complete. ...

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

@editor Here are my suggested questions: In your designs, how do you trade off the up-front cost of the system versus ongoing running costs? What...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan R290 10kW performance

It may be cycling on and off a lot. Do you have any graphs of the compressor frequency, water outlet/inlet temperature, other relevant data... over s...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: New build installation query

Some photos might help as well.

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

@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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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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...

6 months 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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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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 ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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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 ...

6 months 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 ...

6 months 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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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