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JamesPa

@jamespa

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Joined: Apr 3, 2023
Last seen: Nov 15, 2025

Topics: 18 / Replies: 3375

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RE: Hot Spring Ground Source Heating

@allenc According to Wiki geothermal power heats 89% of the houses in Iceland, and over 54% of the primary energy used in Iceland comes from geother...

1 year ago

Forum

Ground Source Heat Pump (GSHPs)

RE: Hot Spring Ground Source Heating

So if the water from the spring were cooled to say 30"C running through a heat exchanger, 4l per minute is 20×4.2/60 x 4 kW, about 5kW. That's a usef...

1 year ago

Forum

Ground Source Heat Pump (GSHPs)

RE: Shutting down heating when out for the day - data

Thanks for doing so. We do need more data on this and many other things because there are lots of variables only some of which theory can currently t...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: How to make me regret installing a heat pump

Which is one reason I started with the need to accept it must be done otherwise it's almost pointless having the discussion. For those that do then t...

1 year ago

Forum

Government Schemes, Regulations, Planning & Organisations

RE: How to make me regret installing a heat pump

I bet the same residents complained last time a petrol station nearby closed.

1 year ago

Forum

Government Schemes, Regulations, Planning & Organisations

RE: How to make me regret installing a heat pump

In contrast, locally to where I live, 3000 houses have been thrown up in the past 5 years, selling at 350k - 600k +, with not a single heat pump and b...

1 year ago

Forum

Government Schemes, Regulations, Planning & Organisations

RE: Shutting down heating when out for the day - data

I presume that you heat your hot water at times you are not taking a shower. Just like your hot water tank your house stores energy. Not quite. ...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Shutting down heating when out for the day - data

Thanks. A consumption of 9-12kWh (corresponding to energy to the house perhaps 30-40kWh) seems reasonable to me. If you mean that you are managing o...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Shutting down heating when out for the day - data

That may be the key. Terraced houses, even more so flats, benefit from being adjacent to heated spaces. If you shut off heating to rooms you don't u...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: How to make me regret installing a heat pump

OK so as a starter for 10 You need to start with the presumption that it MUST be done, no ifs, no buts, JFDI. If you don't start with this presum...

1 year ago

Forum

Government Schemes, Regulations, Planning & Organisations

RE: Shutting down heating when out for the day - data

Well yes. It will cost you <£1. Divide by 24 to get power as opposed to energy, and you get 150W. That's one and a half 'old' electric bulbs, ...

1 year ago

Forum