Last seen: Mar 4, 2025
@heat-pump-newbie Yes, just as you say it’s terrible with metal surfaces. You can sometimes program in the emissivity, I think ‘mine’ defaults to ...
@editor I use my companies Flir camera - I think it's E40, or something like that. It was pricey (£5k), but that was ages ago, they're all much ch...
I remember listening to a keynote talk in a conference by Renault about 5 years ago, where they said the same thing - that the future of EV cars invol...
@Transparent I did see the Cenex report, and yes that is the trial we are on. For me the report lacked in engineering detail about CO2 saved due to...
We have a V2G wallbox, for our leaf, on a trial with Ovo. So far as I’m aware, there are just a few small scale trial V2G to date similar to ours, us...
We have 4kWp of (mcs) solar, and subsequently a V2G unit by Indra for which there is a G99 A1-1 form stating the overall export is <16A per phase, ...
Hi Alan Do you have an EPC, does that agree with the 45MWh/year heating + DHW? Has your electricity consumption been similar after the units wer...
I suspect it is very common for installers to avoid using weather compensation, and instead set a constant high flow temperature. It makes for a quic...
@cathoderay You could try turning all rad TRV's off except one, confirm that one works as expected, move through them all one by one? Our plumbin...
@cathoderay Great the PHE seems to be ok! Any pipes outside clearly need to be lagged, but indoor ones probably not. Any pipework inside the ther...
If you have a PHE, then there will be a temp drop between the two separate liquids, and this temp drop is what pushes the heat flow from one liquid to...
Usually heat exchangers used in plumbing are bphe (brazed plate heat exchangers). They have two connections at each end, and should always be used in...
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Latest Posts
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@editor Mars, totally agree. I think when I responded t...
By Terry1812 , 8 minutes ago
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RE: DHW temp Samsung AE120RXYDEG 12kw ASHP with Gen 6 controller
@bami is there a cylinder schematic? Failing that a mak...
By bontwoody , 11 minutes ago
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A few comments that might be helpful. As James menti...
By RobS , 10 hours ago
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RE: Setback savings - fact or fiction?
The lower the DT the higher the flow rate. The lower ...
By BobTSkutter , 14 hours ago
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RE: Who's your electricity provider and what's your tariff?
I have now written to OE for clarification on the algor...
By Toodles , 15 hours ago
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RE: New kitchen with no walls – will fan coil units work?
Thanks. That explains the strangely-shaped 'feet' (loo...
By IanMK13 , 17 hours ago
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RE: Heat Pump Sizing & Installation Costs
2019 180sqm timber frame 14kW 300l DHW 16 new r...
By Abernyte , 24 hours ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
I’ve updated Bodge Buster for 2025 to empower homeowner...
By Mars , 1 day ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
Aira, the Swedish, end to end manufacturer, system desi...
By KevinPotts , 1 day ago
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Unfortunately for your argument the best performing Dai...
By RobS , 1 day ago
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RE: Grant ASHP not reaching target temperatures
@mikefl Thank you. I’m not sure how to do these checks ...
By Hillswick , 2 days ago
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RE: Transforming a Derbyshire Property into an Energy-Efficient Haven
@carpenterstation That's helpful, thank you. The de...
By Morgan , 2 days ago
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RE: What is the best strategy for operating a very oversized heat pump?
@jamespa Homely does address many of these issues, but ...
By Arundalep , 2 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
There is absolutely nothing wrong with buffer tanks in ...
By JamesPa , 2 days ago
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RE: Replacing knackered oil boiler with ASHP - Perthshire
@abernyte thanks tbh I was more thinking about bolsteri...
By DowallyDrifter , 2 days ago
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RE: Battery storage to run Heat Pump.
@jeff The government are quite happy for the network ...
By Lucia , 3 days ago
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RE: Adjusting 6kW Daikin's Weather Compensation Curve
@jamespa I'm grateful for your advice.
By Ubert767 , 3 days ago
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?
Thanks. I've seen the video several times at the beginn...
By cliffhanger , 3 days ago
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RE: Say hello and introduce yourself
@carrownisky where are you based? Would you like me con...
By Mars , 3 days ago
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RE: Baxi Air Source Heat Pump tips and tricks please
@transparent Good morning, the installer sorted our m...
By Cathyem1 , 3 days ago
Latest Topics
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DHW temp Samsung AE120RXYDEG 12kw ASHP with Gen 6 controller
By BAMi 12 hours ago
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Adjusting 6kW Daikin's Weather Compensation Curve
By Ubert767 3 days ago
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Should I make my radiators smaller?
By Scalextrix 4 days ago
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Daikin Heat Pump Cycling Frequency?
By Ubert767 4 days ago
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Battery storage to run Heat Pump.
By Broadsman 5 days ago