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BUS Scheme likely to extend to Air to Air Heat Pumps :)
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Screwdriva
Posts: 1,522 Forumite

in Heat pumps
Finally, some positive traction...
- 10 x 400w LG + 6 x 550W SHARP BiFacial Panels + SE 3680 HD Wave Inverter + SE Optimizers. SE London.
- Triple aspect. (22% ENE/ 33% SSE/ 45% WSW)
- Viessmann 200-W on Advanced Weather Comp. (the most efficient gas boiler sold)
- Triple aspect. (22% ENE/ 33% SSE/ 45% WSW)
- Viessmann 200-W on Advanced Weather Comp. (the most efficient gas boiler sold)
Feel free to DM me if I can help with any energy saving!
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Screwdriva said:Finally, some positive traction...
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NedS said:Screwdriva said:Finally, some positive traction...1
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shinytop said:NedS said:Screwdriva said:Finally, some positive traction...1
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shinytop said:NedS said:Screwdriva said:Finally, some positive traction...The uptake of heat pumps has been slow/below target in the UK. If the added bonus of providing cooling in summer is enough to nudge more people to install heat pumps who may otherwise not have, and move away from heating their house with fossil fuels, is that not a good thing and helping to meet those targets? What is the cost to the tax payer of failing to meet the targets we have signed up for as a country?I do take your point though about grants just pushing up prices and I'm sure there would be an element of that.
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Where grants are involved a relatively simple install process is likely to become layered with complexity and something that costs a grand ends up doubling in price. Passive measures are better for cooling unless there is a consistent increase in temperature above 30 degrees but it may be that there are global warming predictions which mean just that for the UK. Solar PV (which would cover most of the water heating) plus a couple of A2A units should be well within the 7.5k budget. Next year, should see a radical reduction in battery pack prices, bTW, so a useful add-on if you have "free" solar and A2A.0
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NedS said:shinytop said:NedS said:Screwdriva said:Finally, some positive traction...The uptake of heat pumps has been slow/below target in the UK. If the added bonus of providing cooling in summer is enough to nudge more people to install heat pumps who may otherwise not have, and move away from heating their house with fossil fuels, is that not a good thing and helping to meet those targets? What is the cost to the tax payer of failing to meet the targets we have signed up for as a country?I do take your point though about grants just pushing up prices and I'm sure there would be an element of that.1
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All I would add is "don't let the perfect be the enemy of good".
Anything that increases the take up of heat pumps to move away from gas/oil is a good thing. If it can be also used as an air conditioning unit during extreme weather events then that is a bonus.2 -
This would be a very good move I think. I think we need to get away from the puritanical opposition to air conditioning. Electricity demand in summer is not really an issue as it tends to be fairly low. If it's hot, the sun is either out or has been out recently. The arrival of cheap solar and now battery storage means we're not going to be short of clean electricity at these times. Many grids already have curtailment of PV on sunny days so having extra demand then to soak it up would be helpful.
Winter heating is a harder problem as wind is a lot more variable than solar over periods of a several days.
If people use a comparatively small amount of cooling when clean energy is a abundant and that encourages them to install ASHP that is mainly used for heating and displacing fossil gas, I don't see the problem. It's better to be practical rather than moralistic about it.Solar install June 2022, Bath
4.8 kW array, Growatt SPH5000 inverter, 1x Seplos Mason 280L V3 battery 15.2 kWh.
SSW roof. ~22° pitch, BISF house. 12 x 400W Hyundai panels4 -
OTOH you can buy a budget-brand 5kW monobloc A2W HP for £1100. That won't get you a MCS certificate or a grant, but it's a cheap replacement for a FF boiler.There are a handful of sellers offering equally no-name heat pumps in a range of sizes.N. Hampshire, he/him. Octopus Intelligent Go elec & Tracker gas / Vodafone BB / iD mobile. Ripple Kirk Hill member.
2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 34 MWh generated, long-term average 2.6 Os.Not exactly back from my break, but dipping in and out of the forum.Ofgem cap table, Ofgem cap explainer. Economy 7 cap explainer. Gas vs E7 vs peak elec heating costs, Best kettle!0 -
shinytop said:
I think the premise that the only answer to reducing emissions is the complete replacement of ff heating with a A2W heat pump needs rethinking. It seems to me a hybrid gas CH (and water)/A2A approach could be encouraged - but I don't know how!
Absolutely not, that's just more complexity akin to hybrid cars. More to go wrong, less efficient and no chance of saving ~ £100 a year on gas standing charges.Talking of the latter, as more people get heat pumps or go all electric the cost of maintaing the gas network is going to be divided amongst fewer and fewer people..The prediction of excess deaths from heat is rising so AC is becoming less of a luxury anyway. I'm lucky enoough to live on the coast and get sea breezes, but I've also set up temporary passive measures on South facing windows which help, and as I already have PV my environmental impact would be low.
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