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Last seen: Oct 21, 2026
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5 Bedroom House in Cambridgeshire, double glazing, 300mm loft insulation and cavity wall insulation
Design temperature 21C @ OAT -2C = 10.2Kw heat loss, deltaT = 8 degrees
Bivalent system containing:
12Kw Samsung High Temperature Quiet (Gen 6) heat pump
26Kw Grant Blue Flame Oil Boiler
4.1Kw Solar Panel Array
34Kwh GivEnergy Stackable Battery System
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Latest Posts
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Buffer tank on a 2 x 14kw Ecodan system
We have a setup where there are 2 x 14kW Ecodan units (...
By fosterl2 , 3 minutes ago
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RE: Why don't people choose heat pumps?
@rob-of-york The Panasonic units also have a microscopi...
By Toodles , 32 minutes ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
Posted by: @jamespa My personal view is that we have...
By Rob of York , 55 minutes ago
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RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
By SusannaSaunders , 1 hour ago
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Six books in three years and I think I’ve now covered j...
By Mars , 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 , 8 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 , 9 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 , 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...
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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 ...
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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


