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Kev M
@kev-m
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Joined: Mar 5, 2021
Last seen: Jan 8, 2025
Profile Activity
Topics: 10 / Replies: 1266
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RE: National heat pump day April 12th

Quite pleased if that turns out to be 50%. And before anyone is thinking 'soap dodgers', we have electric showers and a dishwasher!

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi 8kW - strange energy use readings

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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP choice help - 55C flow temperature required

@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. ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP uses 12500units annually

@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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Our 11kW Ecodan and its inconsistent data

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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Eco Heatsense: a game changing radiator valve

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 ...

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: UK government has published its plans for Powering Up Britain

@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...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
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RE: Flawed ground source heat pump system: low pressure faults and high running costs

It was the cached version I saw then, complete with personal details.

2 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Flawed ground source heat pump system: low pressure faults and high running costs

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...

2 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Numerous issues – 11kW Daikin Altherma 3

@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 ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Meaning of ΔT setting in an ASHP

@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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: February Results and a system update.

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 ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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