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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: Mitsubishi Ecodan & Raspberry Pi automations

duplicate, deleted

5 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 (...

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

Just to note for future readers: the first post was in the introductions topic and got moved here because of @mikefitz's question. I did not post it a...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea MHC-V16 new install

@grahamh I think @derek-m knew that but was trying to understand why you'd recommend it. Other than the agile tariff control (which isn't worth the mo...

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

@derek-m the system runs with weather compensation except for when the heating is "off" overnight or after overheating. As I hinted at, the auto adapt...

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

@boblochinver let's continue this elsewhere if you're interested as we're now a long way off electricity tariffs for charging lightweight e-vehicles b...

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

@mikefitz some examples: adjusting the target temperature by a few degrees with the strength of wind or sun: we're in a fairly windy location, but...

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

You may be right but I would be surprised. Our house is too big and a 1980s design with minor insulation upgrades (40mm in loft when we moved in!) but...

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

I think 40kWhs is a bit high but even so, I think it's going to need a combination of smart grid, smarter ASHP controllers so we're not all running th...

5 years ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
Reply
RE: Midea MHC-V16 new install

Yes, understood, and my point was that even 8% would be worth saving these days. 20% definitely is. @grahamh has another post which mentions why he ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea MHC-V16 new install

I'm not sure because I didn't leave my unit off compensation long enough to find out, but even if it was only 8%, find me someone who pays the bills w...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat recovery systems

Could you show the crunching, please, because that does seem surprisingly bad? I'm currently looking at heat-recovery ventilation for a space with an ...

5 years ago
Forum
Well & Truly Off The Grid
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