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Last seen: May 10, 2026
@bontwoody thank you - I am wary! The Youtube channel gives warnings about being oversized for the convenience of the MCS (via crazy ACH assumptions) ...
@cathoderay thanks, I and probably, many others appreciate the clear explanation I was confused by the rules of thumb (eg Modesta's total gas MWh wi...
@editor thanks Mars - as a newbie I am just not familiar enough with the existing topis and whether my questions would fit into them... what is th...
@editor thanks Mars. Your channel is making a big difference!
@transparent thanks. Fighting confusion one step at a time. Do you have a view on ACH exaggeration?
@jamespa thanks @jamespa. I really appreciate your thoughts on this. Especially the benefits of not oversizing! Our boiler is a condensing Worcest...
@johnmo thanks @johnmo that is great info - I will be discussing this with our best prospect installer. I just needed some ideas to make it a discus...
Hi We are looking to install ASHP for our Edwardian detached home. Had a few heat surveys which tend to recommend a 12kW ASHP. However, rule of thum...
Latest Posts
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RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 11 hours ago
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RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
@jamespa that’s actually a really interesting observati...
By Mars , 11 hours ago
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RE: How many people are happy with their ASHP and do you believe them?
Good luck, I spent a couple of hours and, whilst I foun...
By JamesPa , 12 hours ago
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RE: Heat Pump Operation in Summer - Valliant 7kW
I do the same: cool my large buffer (3000L) to 10C, pum...
By upnorthandpersonal , 19 hours ago
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@editor "The interesting bit is that many modern invert...
By Singlespeed , 20 hours ago
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RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 21 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
I reached out to MCS directly last week on this and her...
By Mars , 22 hours ago
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Mentally you have to separate the ac side and the DC si...
By JamesPa , 2 days ago
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RE: Help me keep the faith with my air source heat pump installation
My heating developed a really severe case of noise and ...
By JamesPa , 2 days ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@l2jad I was just thinking all things being equal. Our ...
By AndrewJ , 2 days ago
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Hi, Does anybody have experience with Heat Geek insta...
By sttpd1917 , 3 days ago
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I will soon be struggling. Admittedly it is the summer,...
By Batpred , 3 days ago
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RE: Indevolt Batteries UK Support & Info Thread
Not known yet. I've asked a local Councillor to follo...
By Transparent , 4 days ago
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Hard to tell but I think I have placed the arrow on wha...
By ASHP-BOBBA , 4 days ago
