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Joined: Jan 20, 2022
Last seen: Jun 24, 2025
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Topics: 16 / Replies: 2397
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RE: Twin 10kw Grant Aerona Volumiser Tanks using lots of power

A few comments from me on what I've understood thus far on your installation of Grant ASHPs: A: There is another new topic here on a Grant 17kW...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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 ...

4 months 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 ...

4 months 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:...

4 months 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 ...

4 months ago
Forum
Solar Photovoltaic (PV)
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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...

4 months 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 ...

4 months 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...

4 months 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.

4 months 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 ...

4 months 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...

4 months 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 ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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