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mjr
@mjr
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Prominent Member
Joined: Feb 23, 2022
Last seen: Mar 18, 2024
Profile Activity
Topics: 2 / Replies: 299
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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 ...

3 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...

3 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...

3 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...

4 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 ...

4 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...

4 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...

4 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 ...

4 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...

4 years ago
Forum
Electricity, Tariffs, Monitoring & 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.

4 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Mitsubishi Ecodan & Raspberry Pi automations

duplicate, deleted

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & Raspberry Pi automations

@derek-m I am using straight weather compensation ("curve" mode) most of the time because it works fine, holding temperature unless the wind changes (...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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