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Last seen: Nov 10, 2026
@eliuccio Thorough analysis and, tbh, it looks like you have two viable quotes (a good position even if it makes the choice difficult!) Here ...
Cynically I would suggest its there to protect the installer and cost you money unnecessarily (both at install time and in running costs). The smar...
Yes Yes to the first No to the second (I think) as this results in cold return water being swept up into the flow, reducing the flow temp to em...
In addition to the above you might want to balance out the buffer so it is acting as if not there. Adjust pump speeds for minimum difference in temp ...
It sounds like you get it, maximise the load by opening everything up, cancel mixing by setting the mixer valve temp to max, and then batch heat your ...
I'm really sorry to hear that. As others have said this is massively oversized. It is also massively overcomplicated. Taking the two together this...
Hi Just to confirm my understanding. You have an 11kW heat pump and an assessed loss of roughly 2.5kW (118W/K * 20). Is this a correct interp...
Thanks. Just a few more questions to get a handle on sizing What was the date of the plot and what was the approx OAT then? Which model ASHP...
Fundamentally I agree with @mars and yes please post the full system schematic for detailed suggestions. Seriously heat pumps work best when operate...
Thats a brilliant result and you must be pleased you persisted with fighting this. Its also a good example of what I am beginning to suspect (but can...
As you say this is no change, which I personally think is reasonable given the figures in BS 8233.
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Latest Posts
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
@majordennisbloodnok In most respects, my opinions clos...
By Toodles , 2 hours ago
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RE: Grant Aerona3 13kw - Buffer Tank - Heating Journey
@heymikey Well done in achieving as nearer a match acro...
By Toodles , 3 hours ago
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RE: DIY powerflushing tutorial
I didn't throw it away. Is there a way to determine wha...
By bobflux , 4 hours ago
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RE: Adventures in heat loss calculations
Posted by: @toodles In my experience, energy used to...
By Rob of York , 5 hours ago
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Grant Aerona - Weather Compensation and Schedules
Im trying to set up a friends Grant Aerona. The WC curv...
By bontwoody , 20 hours ago
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RE: Why don't people choose heat pumps?
Absolutely nothing in the regs prevents this, nor does ...
By JamesPa , 1 day ago
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RE: Air-to-Air Heat Pumps & Air Conditioning: UK Heating and Cooling Q&A
@jamespa I agree, the efficiency of Cosy Cooler ought...
By Rob of York , 1 day ago
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RE: How much of your renewable and home setup would still work if the internet went down?
I think you're right! 🤨
By Transparent , 2 days ago
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RE: Renewables & Heat Pumps in the News
ECO4 muddies the water somewhat, and then some. I thi...
By cathodeRay , 2 days ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
If there is a drain nearby that's exactly what I would ...
By JamesPa , 2 days ago
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I think that CCGT plant in Lingen is more likely to suc...
By Transparent , 3 days ago
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RE: Heat Geek installations: share your experiences
@l8again fwiw my experience (Valiant but not with heat ...
By JamesPa , 3 days ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
@etchedpixels thank you for the advice paid cash all...
By Chilli304 , 4 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders An interesting conversation to have ...
By Rob of York , 5 days ago
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RE: Electricity price predictions
@rob-of-york sounds like a term that Heidegger would...
By Papahuhu , 5 days ago



