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Last seen: Jun 13, 2026
This is the F-Gas part training for A3 (so this qual covers all F-Gas + Hydro carbon add on) you currently cannot only get the A3 hydro carbon without...
@l8again Manufacturers will support R32 for quite a long time after they are phased out for repairs, this is evidential on AC brands, by the time R32 ...
@anon67 Pleased they are replacing it for you and I am pleased when I said they are quite good with their warranty they actioned it. Good luck with ...
Professional risk assessment (inc some common sense) Multiple foundation air bricks offering 30% free air ventilation for block and beam type floati...
@patch321 Ok fair enough with the heat loss (if a 2024 build and its to standard just calculate your home 30wp/m2 and it will be somewhere near that),...
@f1p I think it could me more there didn't realise the ASHP can indicate the flow when you are setting it up, where units do not have flow meters and ...
@f1p Perhaps they are not restricting and for some strange reason just installed it to read the flow rate? Completely not needed and adds a bit of r...
Sorry are you saying this is the return or flow to the ASHP external unit?
@patch321 I expect they are trying to balance the zones?
Lower pump speed = less flow = lower heat transfer. Speed 2 - 20lps at DT5 = 7kW Speed 4 - 30lps at DT5 = 10.5kW Also the ASHPO will have minimu...
Unfortunately it seems to be oversized. I can answer to you points as follows: 1) I would not recommend this unless you are sure you will check that...
@jamespa Yes, it is a balance of transfer using all components of the system so the flow, curve, plate exchange, expansion control and evaporator fan ...
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Latest Posts
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RE: Indevolt Batteries UK Support & Info Thread
Hi Mars,I saw your review of the Powerflex-2000 on YouT...
By Hanno , 7 minutes ago
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I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 19 minutes ago
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RE: Several AC coupled batteries
Ready-built LiFePOâ‚„ batteries are also readily availabl...
By Transparent , 52 minutes ago
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I agree. So far as I understand, we can't necessarily...
By Majordennisbloodnok , 1 hour ago
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Did you try using the find an installer tool in the sit...
By Batpred , 2 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
updated and corrected excel with weekend data. No overv...
By Tim441 , 2 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 3 hours ago
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Looking for some advice - planning a self build - but a...
By chastity_outward053@simplelogi , 5 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@jamespa many thanks, definitely i will give the pre...
By ragtime27 , 14 hours ago
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RE: Heat pump installation quotations
@jamespa I noticed that in the Heat Geek design consult...
By Batpred , 16 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
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RE: Help me keep the faith with my air source heat pump installation
@jamespa these:
By AdamK , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
By Harebell , 2 days ago
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