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Joined: Jan 20, 2022
Last seen: Aug 5, 2025
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Topics: 16 / Replies: 2423
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RE: Twin 10kw Grant Aerona Volumiser Tanks using lots of power

That's going to depend on the nature of your contract with the architect. For a new-build, it's usually the case that it is given an Architect's Cer...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Twin 10kw Grant Aerona Volumiser Tanks using lots of power

Good morning @amiddlemass I realise that @jamespa and I are discussing different subjects with you simultaneously.Let us know if this is getting t...

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

6 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 ...

6 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 ...

6 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:...

6 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 ...

6 months 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...

6 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 ...

6 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...

6 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.

6 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 ...

6 months ago
Forum
Solar Photovoltaic (PV)
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