Cant have ev car or solar panels or gas or heat pump!

matt_drummer

My heat pump never goes over about 34c flow temperature. It is actually set to between 30c and 32c flow temperature.

The flow and return right now are 30.6c and 24.6c respectively.

The outside temperature is 3c, my internal temperatures are upstairs 20c and downstairs 22c

The flow rate is 6.5 litres per minute.

Electricity consumption is around 575W and the COP is 4.95 for the last 30 minutes.

You don't need big pipes and high flow rates, just big enough radiators to disipate the heat.

Reed_Richards

We have a woodburning stove as well as a heat pump, although we very rarely use it. It's there in case the power fails or the heat pump fails. If we had a gas or oil boiler, neither would work in the event of a power failure, so the justification for having the stove would be just the same. In our old house we installed a wall-mounted gas fire for the same reason, because it did not rely on electricity. After Storm Arwen we lost power for 24 hours but a large community nearby had 5 days without electricity.

QrizB

On the topic of Dale Vince (sorry to bring him up again), here's a blog post from 2024.

https://philsturgeon.com/why-is-dale-vince-lying-about-heat-pumps/

greenbee

https://forums.moneysavingexpert.com/discussion/comment/81859562#Comment_81859562

I have a badly designed and implemented oil fired system and am hoping to get rid of it this year and replace it with ASHP as the amount of wet UFH means it should work significantly better.

Grumpy_chap

https://forums.moneysavingexpert.com/discussion/comment/81858415#Comment_81858415

I read that article and I genuinely do not understand how the conclusion has been reached.

The article states "For people that live in really modern, well insulated homes, then the bill won’t go up very much".

It then continues to state that those replacing an old gas or oil boiler will see savings while those with a new gas or oil boiler with the latest and highest efficiency rating will see their costs increase if they switch to a heat pump.

One would plausibly expect that few people with very new and highly efficient gas / oil boilers will be changing them out to heat pumps. If an individual made the recent investment for a new gas / oil boiler, how many will then pay out the capital to switch again?

Together, that all seems contradictory at best. If I have a "really modern, well insulated home" fitted with an old G-rated boiler, I will see savings or no increase in cost. Yet, my "really modern, well insulated home" will, presumably, not have the old G-rated boiler but a modern A-rated boiler.

If I have an older and less well insulated home with an older boiler, then the change would still see the savings. The inefficiency around poor insulation would affect the costs of a boiler or a heat pump in the same proportion.

JKenH

https://forums.moneysavingexpert.com/discussion/comment/81856587#Comment_81856587

In today’s Telegraph.

“In the year to September 2025, some 71,000 households on Universal Credit benefited from £1.15m in energy efficiency measures that companies are required to provide. These included insulation, heat pumps and solar panels, with an average direct subsidy per household of almost £20,000 in installed measures.”

https://www.telegraph.co.uk/news/2026/02/01/revealed-extra-10bn-benefits-paid-universal-credit-families/