Last seen: Jan 13, 2025
@batalto, thanks again. Just out of interest I asked my DNO (Western Power), how they would treat this size installation. The website has some informa...
@timh Sorry, I didn’t mean to imply that the supply should be sized by the typical power requirements. I’m aware that there will be a large start up...
@batalto Thanks for the explanation. I’m also in the early stages of looking at ASHP sizing and expect a largish unit, similar to @timh. I am findin...
@timh How is the 75A requirement derived? I wouldn’t have expected this, more like say 25A under load for 6kW of electrical power, COP of 3. A quick...
Kev, I found these useful: I’ve located it near the recently approved Pyworthy solar farm, but you can move the location, zoom in, etc. Select sm...
@mattengineer Sorry, been away for a few days, thanks for the update. Not made any progress recently. We are trying to get an extension built on t...
@derek-m Indeed, Hydro refers to water, but according to this, hydroprocessing refers to a process using hydrogen in a two stage process: hydrotreat...
Hi @derek-m The Caldera one? Yes, I sort of tossed that one in, £12k is rather a lot. We are partially refurbishing our house, which is long and t...
Has anybody seriously considered installing a Sunamp heat battery? How about a Caldera system (though I don’t think these are available yet)?
@editor Thanks for this useful information, I wasn’t aware of this fuel. Regarding it’s green credentials, it appears to be derived from waste veget...
@editor I looked up some figures from our oil boiler spec. which might be useful for comparison. For the specified nozzle size, the oil usage rate i...
@derek-m Thats one of the things that I was thinking about, the amount of time the building is in use, presumably careful HP scheduling would help, ...
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Latest Posts
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RE: MCS and NAPIT complaints process
@chrislay, is your heat pump complaint still unresolved...
By Mars , 39 minutes ago
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RE: ASHP Install from hell - help please
@saf1973 I’ve been going through old cases on the forum...
By Mars , 50 minutes ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
Devastatingly true and within ECO4 even removing those ...
By Bart , 3 hours ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@benson I have gone down the Home Assistant and wavesha...
By Grantmethestrength , 11 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@aaron There's the rub, the database does not list my ...
By AF1 , 13 hours ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
@editor excellent news, congratulations and well deserv...
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RE: Who's your electricity provider and what's your tariff?
I’d be interested to know if anyone uses the NetZero ap...
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RE: Vaillant AroTherm Plus 7kW
Depends on the flow temperature; the Czech data sheet i...
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RE: Renewables & Heat Pumps in the News
Thanks @lucia I look forward to some technical facts as...
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RE: Commencing on an ASHP Installation Process
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By Old_Scientist , 2 days ago
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RE: How not to install a heat pump
You are right. Thinking on this has evolved over the p...
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@ashp-bobba ‘Wattson, how many grammes of Co2 are you r...
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RE: DHW SET UP with Samsung gen 5
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RE: Plate heat exchanger considerations
As far as I can tell my vented system would have a peak...
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RE: Air Changes per Hour - ACH and the MCS requirement
There have been a few discussions dotted around (e.g. I...
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
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