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L8Again
@l8again
Member
Eminent Member
Joined: Jan 15, 2026
Last seen: Feb 23, 2026
Profile Activity
Topics: 2 / Replies: 13
AllTopicsReplies
Reply
RE: My 1950s Semi-Detached Heat Geek “ZeroDisrupt” Air Source Heat Pump Retrofit with Vaillant Arotherm

Sorry to bounce your thread. To put to bed some concerns that I had about R290 heat pump protected zones; 10mm PLEX piping etc, I agreed to a HG Min D...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Minimum and Zero Disrupt Heat Pump Installations

@jamespa As far as my property is concerned, the HG calculator is broken. I recall when I last looked at it 2 or so so years ago, my property defaulte...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Minimum and Zero Disrupt Heat Pump Installations

@deltona I just wonder how many HG surveys end up with a discussion about the need for a new HW cylinder? My HG estimate for a minimal disruption inst...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Minimum and Zero Disrupt Heat Pump Installations

@ashp-bobba Thanks. I appreciate your helpful comments.

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Minimum and Zero Disrupt Heat Pump Installations

@editor1 Thanks for your view on this offer. On the face of it, it is very attractive. The initial estimate comes in low and then I guess the fun sta...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Minimum and Zero Disrupt Heat Pump Installations
3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 10
Views: 585
Reply
RE: Global Energy Systems Thurso ASHP

I met with a local Stiebel Eltron HP installer a year ago. He quoted me £10K for just a HP and cylinder, and he wanted me to do the heat loss survey. ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: R290 Heat Pump and Foundation Air Bricks

@ashp-bobba I can well see the argument for moving an air brick to end up with a compliant R290 installation; however, my reading of Building Regulati...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: R290 Heat Pump and Foundation Air Bricks

Just to demonstrate how silly this whole HP R290 gas safety debate is, my Samsung R290 heat pump tumble dryer is happily sitting underneath my gas boi...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: R290 Heat Pump and Foundation Air Bricks

Țhanks @johnnyb. All my air bricks are in the 1.5to 2M category. My Grandson’s partner is a Local Authority Buildings Inspector so I will have a chat ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: R290 Heat Pump and Foundation Air Bricks

I am completely out of my depth here as I am sure you can tell. This is what a search about R290 reveals: R290 (propane) is a natural hydrocarbo...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: R290 Heat Pump and Foundation Air Bricks

Wow - I seem to have wandered into a minefield here. It would seem that the industry is as confused as I am! There is a further consideration. R32-g...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
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