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Last seen: Dec 10, 2025
I was intrigued by the analogy between heating a house and a bath with a leaky plug hole, so I created a spreadsheet simulating a bath 100cm long and ...
@willcb2023 I have a solar Iboost which heats my hot water from the electricity produced from my PV panels. It is connected directly to the immersion ...
@grahamh Do you mean ' less than 6 times a day' and '15 to 20 times a day' or per hour? 15 to 20 times a day does indeed seem to be nothing to worry ...
Dave Smith who makes this insulation is very helpful and has some excellent videos. The sealant is an essential part of the process and also the speci...
@derek-m Thanks Derek. I think we agree that the inefficiency of the buffer tank is in part due to the higher LWT required to provide the same heating...
@derek-m In order to get reliable flow round my pipe work, I would also need bypass valves, new diverter and pump etc - hence the cost. My dilemma is ...
if the difference between the flow temperature from the heat pump and the flow temperature from the LLH to the radiators is only 1.5°, then I would ex...
@derek-m Perhaps not necessarily a delta T of 5 deg C. I’ve seen @heacol state that 8 deg C delta T is most efficient. My ASHP is most efficient, alth...
@lfranklin when the domestic hot water is off then it will lose temperature at a rate depending on the temperature around the cylinder and pipes. Also...
@derek-m The easiest way that I found to do this was to set the weather compensation to 40 at minimum and 40 at maximum outside temperatures. That way...
@lfranklin On the wired remote controller, press the cogwheel icon, once to wake it up and the second time to go to the next screen. Then select sc...
@lfranklin If your hot water tank is in your loft and your loft is cold, then the noise you hear at night is probably the water in your hot water tan...
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Latest Posts
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RE: Love veg, hate watering cans
That’s brilliant, @jancold. Unfortunately, our bath is ...
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RE: Indevolt Batteries UK Support & Info Thread
It may even be cheaper for a bigger system. Remember th...
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RE: Questions about A2A for heating as well as cooling
@ashp-bobba ah that's good to know, I'll get in contact...
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
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RE: Aircon - in listed buildings
@etchedpixels thanks for giving such a full and helpful...
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RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
Another idea if the above don't work - there are compan...
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RE: Who's your electricity provider and what's your tariff?
@old_scientist The service engineer powered down the ex...
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RE: Issue with Samsung Cascade System
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Thanks, I like the chart, very helpful and this will de...
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RE: Digest of UK Energy Statistics
That sounds painful. It would be much better to charg...
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Hole diameter is small but hole length is also very sma...
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RE: Are Wind Turbines Really “Losers”?
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@trebor12345 The idea is to ensure that Powerwall knows...
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