Last seen: Oct 1, 2025
@editor They return arround 85% of the heat back into the house. A standard extractor fan removes 100% of the heat as the air removed is replaced by c...
@cycleneil I have installed them into the loft with a flex pipe. Just make sure the flex is as short as possible and can collect and discharge in to f...
Hi Southweststokie, Heating your house will not be a problem with a heat pump if it is controlled properly.I would open zone your ground floor allowin...
@junglied If you want to explore water to water, we make a heat exchainger that will go in to the stream and does not require enviroment agency approv...
@transparent We do not connect thermal stoor DHW units to the central heating. If you want a heat pump to work efficiently in heating mode, DO NOT con...
@bontwoody No need for air valves as long as the run lengths are not too long. You can tell if there is an air lock, there would be no flow on that ci...
Personally I like thermal stoors for heat pumps Advantages lower water temperature required, therefor better efficiency the entire cylinder is ...
@editor Be very cairfull, I have requested the data for the 3THERMO product as it is not on their website. Why, makes me question the capabilities of ...
Hi Mark It is very possable to install under floor heating on a wall. Spreader plates are a good idea, use 16mm pipe and keep the run lenths to arro...
@derek-m A couple of things to clarify but you have the concept. As many fully open heat emitters as possible, with limited use of TRV's and only u...
@derek-m This effect is normal at this time of year if you are running full weather compensation without suffucient thermal mass in your property, (mo...
@batalto As a trial, that is fine, however if you want to get the best performance, you need to optimize the entire system, not only the controller. Y...
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RE: Grant Aerona Short Cycling
@steam-powered I'd suggest dropping the cold weather en...
By damonc , 45 minutes ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: @lucia Manufacturer: Daikin Model: E...
By Lucia , 54 minutes ago
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Marginal pricing and UK electricity costs
This is an oldie from my copious files I've been meanin...
By Lucia , 59 minutes ago
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RE: Advice on reading thermal images
@colinc, I'd forgotten that this thread even existed so...
By Mars , 1 hour ago
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RE: Heat Pump Training vs. Real-World Installation
@judith I looked at the control challenge of balancin...
By Lucia , 2 hours ago
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RE: Grant Aerona circulation/system pump staying on
@mikefl thank you, I've changed 4200 to 2 and now the m...
By damonc , 3 hours ago
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RE: Solar panels on side of house to heat water
The original strategy behind the production of bi-facia...
By Transparent , 3 hours ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
@batpred I've had a bit of time to look into this to...
By Bash , 4 hours ago
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RE: Flow rate discrepancy between ASHP and manifold
Air release valves dont always work! You are gonna ha...
By JamesPa , 5 hours ago
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RE: Replacing my 18 month old Hitachi Yutaki ASHP
Fair enough. I recommend quizzing him to get your mone...
By JamesPa , 6 hours ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
@simonwig Thanks for the bump. Not sure why I didn't se...
By HCas , 8 hours ago
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RE: Are Water Companies Delivering Bricks?!
...which in turn reminds me of a Thelwell cartoon I onc...
By Majordennisbloodnok , 9 hours ago
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RE: Our journey through Octopus tariffs 2020-2025
I mentioned above "2025 move to Intelligent Go meant ...
By Tim441 , 9 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@benson — thank you, that is useful information you hav...
By cathodeRay , 11 hours ago
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RE: Help…my NIBE heat pump has faulted again!
If it happens only when it gets cold then it maybe that...
By JamesPa , 13 hours ago
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RE: Grant Aerona3 - Home Assistant control via Modbus
Has anyone got past this screen to set up the integrati...
By AlanW1212 , 13 hours ago
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RE: Diagnostic Data Needed for Repeatedly Failing Tesla Powerwall 3 System
You seem to be on the right track... Installers are rec...
By Batpred , 22 hours ago
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RE: Should Our Water Circulation Pump Be Configured to Run All The Time?
there's a detect cycle setting (4200) on the old grant ...
By damonc , 24 hours ago


