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Mars
Mars
@editor
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Illustrious Member
Joined: Feb 11, 2021
Last seen: Aug 27, 2025
Profile Activity
Topics: 305 / Replies: 3086
AllTopicsReplies
Reply
RE: Heat loss calculators and spread sheets

@cathoderay, brilliant, I've re-uploaded here for easy access and reference.

3 years ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Heat loss calculators and spread sheets

@hughf, is the Freedom one free to download?

3 years ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Latest NIBE model has known defect and no solution

If you proceed, the advice I’d give is to get a serial number for the heat pump from the installer, and phone NIBE to verify that it’s not one of the ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Latest NIBE model has known defect and no solution

Did NIBE give you any timelines? What I’m most surprised about is that it was supposedly a batch of units with a faulty inverter - why have NIBE no...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Are there issues with Vaillant’s app?

Might we worth asking Vaillant owners on the forums. @nigel42 @witchcraft @dchilton @mbcool @webcmg @jaspera @jonathans @london-trader @drew-pa @saz @...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Heat loss calculators and spread sheets
3 years ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Replies: 98
Views: 21595
Reply
RE: Latest NIBE model has known defect and no solution

@will_a, I’ve been in touch with NIBE and they claim to have identified the batch of defective units, so they’re not being installed. Could still be a...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Install a Grant Aerona 13kW instead of Mitsubishi Ecodan 11.2kW?

@phil-l, what decision did you ultimately make?

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Stop ASHP being stolen

Stealing an ASHP, as you’ve correctly pointed out @transparent, would be a major operation and the risk of damage to the unit would be significant. I’...

3 years ago
Forum
Buy & Sell
Topic
Recommended topics for new members
3 years ago
Forum
Introductions, Forum Rules & Updates
Replies: 0
Views: 2426
Reply
RE: Our Grant Aerona R32 13kW ASHP installation

@marvinator80, that's the lagging, right? Are they using heat-loss pipes to the full length of your outside run?

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump servicing and maintenance

@majordennisbloodnok, one thing that appears to be missing (which we found very helpful, but it may not apply to everyone) is checking and cleaning th...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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