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Last seen: Jul 1, 2026
Okay, in which case have I converged on a semi sensible design? Excuse the crude pen diagram, but just so we are on the same page. FCU ...
Okay so now another stupid question, can I change the pump mode on the aerotherms? I have not seen anything about that in the manuals? At ...
Okay thank you. Lets say i go for option 2. I like the option of a ball valve to bypass during UFH only times! Great idea. Would a Cal...
Only because I am not sure what the manifold is providing me, if i balance the pipes by length, and open lop weather compensated slab heating, i am no...
Okay, you have me convinced. KISS. No buffer, no LLH, no mixing VRG130, FCUs and cold temp by day, slab post solar gain window at dew point + 2. ...
Now this has got me thinking quite a bit - I know this is not the best advice for perfect COP... but bare with me:I would like slab coolingI would lik...
@transparent You are right, I am not too concerned about choosing expensive kit, if the function justifies it! But likewise I do not want to spend ...
@majordennisbloodnok No that is just me trying to design and understand as much as possible myself. I am actually working in the middle...
Happy that A2W will prove less effective, although @bobflux comments about cooling with just AC and with slab then AC are interesting. Not looking ...
Okay, thank you for the replies. I think at the moment (having spoken to the good lady) we are leaning towards preferring A2W over A2A in ...
@bobflux Perfect - thank you. Okay the PICVs I were looking at were 16kPa, but even with that 7 of those robs me of too much, and I achieve the same g...
@transparent Contractors for elements, I like being hands on for as much as possible - I have got enough sparkie qualifications that I am happy to do ...
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RE: Tesla Powerwall (2) Calibration Cycles
@old_scientist You mean you didn’t know about that secr...
By Toodles , 12 hours ago
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RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
That sounds like a better approach (being able to see a...
By cathodeRay , 13 hours ago
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RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
Thanks for the reference @jamespa I can't see any te...
By Transparent , 14 hours ago
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RE: battery storage without solar
Indeed, current on the grid input = current used for ch...
By bobflux , 15 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu @papahuhu A lot of tears and sweat went into ...
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RE: Getting closer to a finished Haier system
Very nice! Congratulations. Big MLC looks neat whe...
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We have the same problem, 12 mature trees clip the morn...
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RE: Is This Initial Free Quote From Octopus Trusted Partner Reasonable?
@ltron2 The EPC on our house is A-92, however that i...
By Rob of York , 2 days ago
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
The layout is confusing - much better like this: We b...
By downfield , 3 days ago
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RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
My experience, backed up by opinions from various frien...
By Majordennisbloodnok , 3 days ago
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RE: Analysis of the economics of switching to an A2W ASHP compared to other heat sources
I had a meeting today with a company based out of Swede...
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RE: Review your electricity provider
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RE: Estimating true heat loss from twelve months of consumption data
I did, indeed, go with the 12 KW Vaillant unit.  ...
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