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mjr
@mjr
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Joined: Feb 23, 2022
Last seen: May 7, 2026
Profile Activity
Topics: 2 / Replies: 301
AllTopicsReplies
Reply
RE: Bivalent oil boiler system to work alongside ground or water source heat pump

LEDs come in a range of colour temperatures. Some of the warm ones are really quite yellow. On other things, I think you can have a boiler alongside...

5 years ago
Forum
Ground Source Heat Pump (GSHPs)
Reply
RE: Fuel poverty

Does that analysis find or suggest any reasons why? It sounds like people do not trust the government to pay up, so only those who could afford it any...

5 years ago
Forum
Well & Truly Off The Grid
Reply
RE: The new heat pump grant – boiler upgrade scheme (BUS)

I'm not so sure. It seems like the tenant should have control, not be locked out of it, whether you rent a home with ASHP or one with direct electric ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fuel poverty

Don't cap heating oil price. It's locally-polluting as well as fossil fuel and the writing has been on the wall for years now. If we want to help impo...

5 years ago
Forum
Well & Truly Off The Grid
Reply
RE: The new heat pump grant – boiler upgrade scheme (BUS)

@grahamh OK. I bet they don't answer us plebs. @saz This does not seem to be a new problem with heat pumps. It's like the bad old days of student s...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The new heat pump grant – boiler upgrade scheme (BUS)

Why a nearly 2-month gap? Is that published book COP (or SCOP?) or as-installed COP? I'm sure we've seen a few installations on these forums and o...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

Yes-ish, back at you! 🙂 I could achieve better efficiency by not allowing the pump to shut off or cycle on sunny afternoons and thereby avoiding the ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Thinking of installing a 7kW Vaillant ASHP – questions

ASHP should be cheaper than straight electric, but I would advise getting whatever live power consumption and efficiency monitoring you can, MMSP or w...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

My installation has a Sontex heat meter wired into it and I think the numbers I eventually see (after a trip through some cloud services) come from th...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@cathoderay yes, even if they charged extra for the uprating to cover increased warranty costs from increased mechanical failure probabilities due to ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Who's your electricity provider and what's your tariff?

If I've understood it correctly, the low-temperature emitters (larger radiators or underfloor systems) generally used with heat pumps lose heat less q...

5 years ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
Reply
RE: Who's your electricity provider and what's your tariff?

What are the drawbacks of getting a smart meter? I wondered about getting one just for the data.

5 years ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
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