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Last seen: May 7, 2026
@editor The firm that invented/developed the Immersun was a PV/solar thermal/renewable energy installation company based in a small town in norther...
We have a 5kw Aerotherm feeding an existing UFH manifold plus one radiator. Our flow rate is also 860 lph and the system is performing beautifully w...
@davidb Hi, if you haven’t already done so then have a look at the link below and in particular read the bits about active, inactive and e...
We are in an extremely well insulated (virtually passive) all electric house - we self built it in 2011. We have a full fat 3.68kw full-fat FiT pV s...
We self built in 2011. The ground and top floors are each around 100m2 The house is extremely well insulated with U values as follows, walls=0.15, r...
@ashrolls Air circulating in the system will confuse flow meters and create noise.
We have both. The advantage of A2A is a very rapid response and the ability to cool in the summer - our A2A is for the south facing rear of the hous...
Our BUS voucher was due to expire the working day prior to the installation date so our supplier cancelled the voucher and applied for a new ...
@jamespa our install was mid September 2025, we had the MCS questionnaire a few weeks later.
@editor I rather suspect that there will be several outcomes;- 1) Installation of ASHPs into the existing housing stock will radically slow down....
If you could get hold of a Stainless steel container of Vitrified High Level waste, then it has a heat output of around 2KW. There are difficulties ...
Latest Posts
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RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
No, I agree entirely. There shouldn't be a need for an ...
By Majordennisbloodnok , 54 minutes ago
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RE: How many people are happy with their ASHP and do you believe them?
I agree, and not. Energy prices are a largely politica...
By JamesPa , 2 hours ago
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RE: Solar Produced vs Home Consumed
All inverters will use solar power in preference to dra...
By JamesPa , 2 hours ago
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Yes, you will need to notify them even if the inverter ...
By Old_Scientist , 2 hours ago
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RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 15 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 , 23 hours ago
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@editor "The interesting bit is that many modern invert...
By Singlespeed , 1 day ago
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RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 1 day 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 , 1 day 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
