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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
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Reply
RE: Getting the best out of a heat pump - is Homely a possible answer?

I'm pretty sure that Home Assistant definitely does work "out of the box", but only a minority buy a Home Assistant box. I'm not even sure anyone sell...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Getting the best out of a heat pump - is Homely a possible answer?

Well, the future indoor temperature is mainly a function of the current outdoor temperature determining how much heat your home loses now, isn't it? T...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What is the 'Eco' mode on hot water do?

@bob77 yes, the ecodan on/off eco hot water setting seems to cap the power input to the unit for DHW, resulting in it taking longer but using fewer k...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What is the 'Eco' mode on hot water do?

On my 170 litre tank, the difference heating to 48° does not seem measurable in the wild. I suspect other factors dominate. It may be different for a ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Our ASHP cost us £550 to run last month – help!

Or the landlord.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Pump Truth or Myth#2 - Cycling uses a lot of power and ruins your COP

And I also say your system is barely cycling in the example, so proves/disproves nothing.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Pump Truth or Myth#2 - Cycling uses a lot of power and ruins your COP

Am I misreading your graph? It looks like "consumed" hits peaks every time it starts up. Of course, so for cycling to be more efficient than not,...

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

Yes, it's now running OK in auto-adaptation mode. As well as the interval being lengthened, I also started with the house already up to temperature fr...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New survey reveals that cash-strapped Brits are prepared to give up takeaways, nights out & takeaway coffees in 2023

Some of those seem unnecessarily extreme - why stop not reduce? - and I'll be amazed if half of them stick to the takeaway and pub ones. But that's...

4 years ago
Forum
Well & Truly Off The Grid
Reply
RE: Mitsubishi Ecodan & Raspberry Pi automations

Aha! I should have realised after my autumn experiments with other controllers that the interval was key to taming the aggression and that 10 minutes ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

One oft-suggested reason for that sort of action is to avoid customer calls complaining that the radiators aren't getting hot on milder evenings (whic...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

It looks like that was the target the weather compensation was outputting.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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