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batalto
@batalto
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Joined: Apr 9, 2021
Last seen: Jul 4, 2025
Profile Activity
Topics: 24 / Replies: 1067
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RE: 11.2kW Mitsubishi Ecodan replacing LPG boiler

@peterr your house size is about the same as mine. Given you've got UFH you should be using less power. Have you done a heat loss assessment? How well...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 11.2kW Mitsubishi Ecodan replacing LPG boiler

@peterr your energy figure, is that heat delivered or heat used? I ask because those are two very very different things. It makes more sense for that ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

@derek-m should probably make that graph based on heat provided and not power used. That would deal with problem

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

@kev-m fairly straight line relationship for it. If you plot a trend line you should be able to estimate your usage based on temperature moving forwar...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

@morgan box them in and lag them

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

@kev-m how does that look if you plot temperature on the X axis? Is the power use fairly linear?

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

@editor its distribution costs as far as I understand it. If you live next to a hyrdo plant the losses to get you the lower are very low. To move lots...

4 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: New PV+ battery system, help required

@editor say what you like about batteries, but the ROI can be very good. Mine is 18.5% this year so far. I wouldn't be surprised if they save me maybe...

4 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: New PV+ battery system, help required

@yachtsman if you don't care about the ROI, then you cant really judge the value. The Tesla battery alone is the hands down the most expensive element...

4 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: New PV+ battery system, help required

@yachtsman I top up my battery fully using that 4hrs, but it's mostly gone by the end of the morning due to the ASHP grinding it up. But that time 12-...

4 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: ASHP in Hampshire

So far so good in terms of heating - house is plenty warm. Annoyingly my app isn't working so I cant see power used vs heat delivered. I'll be calling...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New PV+ battery system, help required

I have 8.4kw of solar, 14.2kwh of batteries and an ASHP (I'm also on Go). Will it run our house just from that? No. In the winter there is just no cha...

4 years ago
Forum
Solar Photovoltaic (PV)
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