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Last seen: Jan 8, 2025
Quite pleased if that turns out to be 50%. And before anyone is thinking 'soap dodgers', we have electric showers and a dishwasher!
I have MMSP metering so am not using the internal Ecodan power meter. My 14kW Ecodan always uses 24W when in standby; that's no freeze stat, no water...
@Wintergreen, apologies if others have covered... is your total heat loss really 43kW? That's huge; the biggest domestic ASHP I've seen is 16kW. ...
@Beagles, the main thing that catches my eye is your LWT. 40 deg is high for ufh; a well designed ufh system with average room temps should run a l...
Although I now have independent electricity and power meters on my Ecodan, I didn't always. I haven't done any direct, controlled comparisons but as f...
Sounds impressive. How big are they? I would have thought you'd need quite a lot of thermconite to store enough heat. Also, Mrs M wants to know ...
@Transparent, I don't think it's as simple as that. An ASHP running in a reasonably well insulated house can be switched off for short periods (2-3...
It was the cached version I saw then, complete with personal details.
The problem is, it's normally the site owner who is on the hook and the person who will end up being sued. The free press has expensive lawyers to ad...
@newhouse87, I'm not going to try and add to any of the technical advice you've had but ... Up to 70kWh to heat a 240 m2 house to 22 deg at below ...
@heat-pump-newbie, your ASHP is probably running at very low output in the conditions above; 33 deg LWT is barely lukewarm and outside temps are qui...
The Vaillant range is relatively new and should be at the higher end of COPs out there. However, 5.2 for February might be a tad optimistic given the ...
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Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Hi, sorry that I have been absent for a while. I'd like...
By baroquebank , 3 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 6 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 1 day ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 1 day ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 1 day ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 2 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 3 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 4 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 4 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 4 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 5 days ago



