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Joined: Jan 20, 2022
Last seen: May 8, 2026
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Topics: 16 / Replies: 3164
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RE: High electricity use – 17kW Grant Aerona 3

The upgrade to 3-phase was most likely initiated by your DNO. It's possible that they did stipulate the need for this as a result of communications ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

For our more technically-savvy members here, and prompted by @robsI've done a bit of background research on Compound Compressor Heat Pumps. There's ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High electricity use – 17kW Grant Aerona 3

Can I suggest that you send an email to SP Energy Networks? customercare@spenergynetworks.com "Attention Distribution Area Manager for Ruthin:...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Green Homes Scheme - PV Upgrade

Whatever is the legal situation with FIT payments, the problem is that it remains unenforced. There are lots of people who have added panels to the ...

1 year ago
Forum
Solar Photovoltaic (PV)
Reply
RE: High electricity use – 17kW Grant Aerona 3

@jgtukpd - There are a number of different issues in what I've seen from your photos. I'm going to assume that what I write here will be shared with...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High electricity use – 17kW Grant Aerona 3

Annotations added to your photos: (external view on left) external pipe run should be completely sealed against rain. Should be in pipe ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High electricity use – 17kW Grant Aerona 3

Pipe insulation is inexpensive.It's a very important part of your heat pump installation, and needs doing well. Here's Class-O Nitrile-rubber pipe i...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High electricity use – 17kW Grant Aerona 3

Heat energy being thrown away. Pipe insulation needs re-doing so that it seals around all open metalwork. See this article.

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Green Homes Scheme - PV Upgrade

That has to be a scam. On their website, click on Green Homes Grant at the top.The page shows this: Click where I've placed the red arrow,which ...

1 year ago
Forum
Solar Photovoltaic (PV)
Reply
RE: High electricity use – 17kW Grant Aerona 3

Thanks for confirming that you have a 3-phase supply to the property. In that case it seems odd to me that the installer has specified the 17kW Gran...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High electricity use – 17kW Grant Aerona 3

Have you been reading the low-level advice which @cathoderay has been giving on the Topic about the Baxi ASHP? That level of instruction on how to ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Because there isn't one on the MCS Approved list. This list can be bizarre and overly pedantic at times.For example, installations of rooftop PV pan...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Page 83 / 266
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