Last seen: Nov 21, 2025
Thank you @transparent I see the closing date for the survey is Nov 20th, so I will think about your comments and how best I can draft a submission,...
@bontwoody I couldn't see from the graph, but what temp do you heat the DHW to, and how hot does it get to in 30mins? Is it just not able to heat to...
and we have some of the strongest tidal flows anywhere on the globe.
I cannot understand why heat pumps (and solar/battery) are not mandated for all new build properties in the UK. I know the government are unlikely to ...
This looks OK. Overall you have roughly the right amount of heat going into each floor. What is the design temps for the bedrooms? Is it already low...
I'm not familiar with Hive thermostats/controllers, but as @jamespa says, not all external thermostats work well with heat pumps. Mine has 3 different...
I would second this. It's great if you can balance radiator output exactly to the design heat loss for the room, but I wouldn't get too hung up about ...
And therein lies the dilemma. Investing in net zero is expensive. Not investing in net zero may be more expensive in the long run. Who knows, although...
Is that because it's putting out more heat than the property requires at this time of year? ASHPs can only modulate their output so low (typically to ...
Investors need a return, otherwise they will invest elsewhere. You can get a risk-free return of over 5% on a 20yr government gilt, and riskier inve...
This is how I run my Samsung 12kW ASHP with a 3rd party external room thermostat, so I can manage or control the cycling. I refer to this as "always o...
I wholeheartedly agree with everything @allyfish has written, and our journey was similar. We had microbore piping in our old system. Until we st...
Latest Posts
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RE: Replacing my 18 month old Hitachi Yutaki ASHP
In mild conditions, yes I turn the heating off. This i...
By trebor12345 , 7 hours ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
Hi HenriWe were puzzled by a thread being moved into he...
By Sheriff Fatman , 8 hours ago
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RE: Electricity price predictions
@transparent The Totnes Society seems to operative l...
By Batpred , 9 hours ago
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RE: Grant Aerona circulation/system pump staying on
My AERONA 3 circulation pump runs constantly whatever t...
By damonc , 10 hours ago
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RE: Configuring third party dongle for Ecodan local control
Thanks, @sheriff-fatman. Happy for you to search any po...
By Majordennisbloodnok , 13 hours ago
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Thanks, @cathoderay. I was aware of some changes to ...
By Majordennisbloodnok , 13 hours ago
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RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt
It's buried within what has become my ongoing post-inst...
By Sheriff Fatman , 17 hours ago
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RE: Trying to understand my Nibe F1245
@greenlight Many thanks for the information, it's set m...
By Chris12 , 21 hours ago
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This is what I answered, I really have no hope: "......
By Batpred , 1 day ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@andrewj oh yes they offer Daikin 8kW, they tried to fo...
By AgentGeorge , 2 days ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
@majordennisbloodnok Good point! Just in case anyone re...
By Batpred , 2 days ago
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RE: Hitachi Yutaki SCombi Heat Pump - Owners
@sim0n0 It would be very useful if you could tell us...
By trebor12345 , 2 days ago
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RE: Benefits of an extra horizontal loop for GSHP
A correct sized collector is all you need. Saying this,...
By greenlight , 2 days ago
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RE: Grant Aerona Short Cycling
@mikefl, thanks for sharing your operating data, very i...
By Steam Powered , 2 days ago
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RE: Here is my heat pump installation with questionable COP in Italy
@jamespa Sorry for the late reply, I apologize for the ...
By materox345 , 2 days ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
@editor Yes BUT that was 3 years ago installed in Janua...
By rob heatpump bob , 2 days ago
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Thanks for your response. I have UFH downstairs and ...
By GeorgeA , 2 days ago
