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Last seen: Nov 10, 2026
I should probably add to my comments above that, whilst I can definitely see an argument for using a solar diverter in some cases - most particularly ...
The argument I can think of is that solar diverters precisely match the power draw to the available excess solar power, which heat pumps cannot do. T...
Lots of reading and questioning which the background makes easier. I started when I first thought about getting a heat pump for myself and it became ...
Crudely dividing by somewhere between 2000 and 2900 gives an estimate dependant on assumptions/who you believe. My total gas consumption for a 7kW ho...
11kW does sound way over in that case! As you say it will be interesting to see what others come up with, maybe try to get a copy of the calculations...
Is 116 sqm both floors, or just the footprint? If the former then 11kW sounds possibly a bit high to me. Your conservatory may be dominating however...
Hi I have just posted the below in response to your intro text. ------------- In terms of getting quotes, be prepared to get a fair few to find ...
Welcome to the forum. If you are new to ASHPs I suggest you read the introduction here. @editor also publishes a couple of books guiding you thro...
I agree with @mars. My install was not dissimilar. I got a 7kW Vaillant, 200l cylinder and 4 rads (including one fancoil) for 12.5K les grant. Im...
Thats probably fair enough. The degree-days calculation (on which quite a few heating formula are based) uses the formula sum (max (Tbase-OAT ,0)) ...
Thats a slightly awkward number because, by the time you add an allowance for heating DHW, it will push you towards a 10kW machine rather than 7-8, wh...
All sounds sensible to me and to be clear, the idea of swapping to a ASHP at the same time as fixing the distribution is sound IMHO, if you are going ...
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Degrees of Separation
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 , 4 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 , 4 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 , 5 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 , 6 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 , 21 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...
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders An interesting conversation to have ...
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RE: Electricity price predictions
@rob-of-york sounds like a term that Heidegger would...
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