Last seen: Jan 8, 2025
@majordennisbloodnok Exactly - You put this much better than I could. The question of trust is a good one - how does a customer know that a supplier...
I bought a more basic spec car model with 15in tyres rather than the next spec up with 16in tyres because the 15in tyres were almost half the price wh...
@editor Absolutely no way would I entertain something like that. I’d want a detailed breakdown of the proposed system, heat loss calcs and proposed ra...
@heacol Exactly! I did some outline heat loss calculations based on what I know of the property I am buying and over 40% of the heat loss is due to ve...
@heacol Very interesting. I could see that being extremely useful as full MVHR is just not practical without massive disruption.
@heacol Hi Brendan, are there any more flexible versions of those Blauberg extractors? The house I am buying has ceiling-mounted extractors in the bat...
I’m surprised that a 3degC-plus loss in a main heat exchanger is acceptable. It seems crazy to have that when there is so little spare capacity in mos...
@bridgetjohn Oh dear. I’m surprised that the installer didn’t convert to a 2-pipe system as a routine measure, the 1-pipe systems date back to the ear...
@bridgetjohn Do you mean single- pipe like the link:/p> Like that?
Sorry if it’s an obvious question, but how is the HP sensing the room temperature to compare against demand? Is there a Midea controller with temperat...
Should be an interesting journey. I sold my 1930s semi in Cambridge last summer to move to Norfolk. The main problem with the 1930s house was the so...
The interesting and puzzling thing from reading the thread is that the system can’t reach design temperature at 3degC ambient. Even if the 14kW unit i...
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Latest Posts
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@jamespa Agreed. I think it’s a case of much over muchn...
By Mars , 2 hours ago
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@eliuccio Unfortunately, whilst I agree with a lot of...
By JamesPa , 2 hours ago
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
@bami I think if the heat loss documentation matches a ...
By bontwoody , 3 hours ago
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RE: What is the best strategy for operating a very oversized heat pump?
@jamespa I'm afraid that's over my head but if anyon...
By IRMartini , 3 hours ago
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RE: Setback savings - fact or fiction?
And here in case any one wants it is the code I used in...
By cathodeRay , 3 hours ago
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RE: Samsung Gen 7 R290 12kW is not behaving how I expected
Definitely its in the 20xx FSVs. Conversely it may be...
By JamesPa , 3 hours ago
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RE: Towel rails. An unexpected final hurdle
We have both Normal Rad for heating the room and then a...
By IRMartini , 5 hours ago
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RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 7 hours ago
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RE: SolarPV tables / online calculator
I'd be interested what others find whilst using that we...
By Majordennisbloodnok , 9 hours ago
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RE: F.788 Building circuit pump reports internal fault - Vaillant Arotherm
Guess I have to wait for engineer visit. I really hope ...
By jeegnesh , 21 hours ago
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RE: Act now to defer the UK road tax increase on EVs
@majordennisbloodnok Damn right sir. my attempt at iron...
By Jancold , 24 hours ago
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RE: ASHP and heating issues in new build house
That’s good gives you more capacity. It made me think, ...
By Terry1812 , 1 day ago
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RE: Seewet manhole cover within r290 exclusion zone
Thanks! I asked Vaillant, and they say I should be fi...
By dbrb2 , 1 day ago
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Looking for the Grant Aerona 3 setting to turn off completely at 20 OAT
I'm running my Aerona 3 on WC and the 'warm end of that...
By damonc , 1 day ago
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RE: Do I just go with the lowest quote for my heat pump?
So after signing in Sept in two weeks the install may s...
By Jancold , 1 day ago
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
When you are renovating is always a good time, as it ma...
By JamesPa , 1 day ago
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RE: Just one room not reaching desired temperature
Looks like this issue is now resolved. Aira installed a...
By ChandyKris , 1 day ago
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There have been several people on the OpenEnergyMonitor...
By RobS , 2 days ago
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RE: Say hello and introduce yourself
Good point @jamespa But that probably strengthens @ch...
By Transparent , 2 days ago
Latest Topics
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Heat Pump Sizing & Installation Costs
By Mars 10 hours ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 10 hours ago
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SolarPV tables / online calculator
By MichelleC 17 hours ago
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By Toodles 2 days ago