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	RE: Mitsubishi Ecodan R290 10kW performance By F1p, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	@sheriff-fatman Your post is quite long, but i think the answer to this: "albeit I'm reliant on their assessment as to why doing so quickly at a higher flow rate is better than a slower process." Is ...
	RE: Mitsubishi Ecodan R290 10kW performance By Sheriff Fatman, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	Yes, I use Havenwise for hot water, which is currently set as a 50C requirement at 6am with a 'top up' to 40C at 4pm if required. By coincidence of timing to this thread, I've adjusted the early morn...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By Crimson, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	And to add at all stages the installers have blamed Eskimos for: not performing at Eskimo’s stated specs (when the non Eskimo rad WC room in the zone is also not performing - and thats 200% oversized....
	British Gas Heat Pump Installation Complaint By BGNO, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	In 2024, my wife and I thought that we would try to do the right thing by replacing our gas boiler with a heat pump. Our experience with British Gas was SO bad that we seriously considered re-installi...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By Crimson, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	The problem is the downstairs front zone. so for context there’s 3 zones: Zone 1: UFH ground rear 1x 40sqm kitchen/dining 1x small utility room (this was done as mostly extension - doing UFH to...
	RE: Battery disconnected By Transparent, 2 weeks ago Forum Energy Storage
	Erm... no we can't! The issue first raised by the OP may be resolved in that the Growatt Ark batteries are alive once more.However he's still awaiting a response from the DNO (UKPN) regarding the 60A ...
	RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus By JamesPa, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	@grahamf good set of questions. Can I suggest just one minor refinement to Q1: In your designs, how do you trade off the up-front cost of the system versus ongoing running costs? Do you offer custo...
	RE: Is it mad to think there should be a minimum SCOP for UK heat pump installs? By JamesPa, 2 weeks ago Forum Government Schemes, Regulations, Planning & Organisations
	This wouldn't solve the problem @mars is trying to solve, which is system COP not heat pump COP. To measure system COP you need to measure output at the emitters or at worst after any system separati...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By JamesPa, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	Can you remind me what the current problem you (or they) are expecting it to solve is? The only thing a very slightly larger buffer tank will do is extend the cycle time a bit, probably not enough to ...
	RE: Help me keep the faith with my air source heat pump installation By JamesPa, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	Not so far as I know. I dont think that is reported by the API unfortunately. Here is what I have on my 'dashboard' which, in practice, does almost everything I need. Ignore the Heating COP tile, th...
	RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus By GrahamF, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	@editor Here are my suggested questions: In your designs, how do you trade off the up-front cost of the system versus ongoing running costs? What level of efficiency (seasonal coefficient of performa...