Currently have an ageing gas boiler, so I'm in the market for a new heating source. Have looked at ASHP for the last 6 months, but my ambitions are being tempered by the recent increases in electricity prices - predicted to increase further in April 2022. Obviously I want to be sustainable - but it needs to be affordable.
Living in a 1967 property, things are quite well insulated, apart from the GF floors - which are suspended timber. I have been looking at the Q-bot system of suspended floor insulation since it appears less disruptive than the traditional retrofit.
A long time Economy 7 user, I have been looking at battery storage and ‘rate arbitrage’ – charging batteries overnight on Economy7 and using that energy during peak periods but need to calculate the balance between costs and savings long term.
Welcome to the forums @pete22. At the moment, with the price of electricity, heat pumps are expensive to run, but gas has also shot up in price. Heat pumps are much more efficient than gas, so the rise in costs may be relative.
Economy 7 will it cheaper to heat your at night. Also, what’s your insulation like?
I don’t know much about the running costs of gas. Can anyone that’s switched from a gas boiler to a heat pump try to draw a parallel between running costs at present tariffs for electricity and gas.
Welcome to the forums @pete22. At the moment, with the price of electricity, heat pumps are expensive to run, but gas has also shot up in price. Heat pumps are much more efficient than gas, so the rise in costs may be relative.
Economy 7 will it cheaper to heat your at night. Also, what’s your insulation like?
I don’t know much about the running costs of gas. Can anyone that’s switched from a gas boiler to a heat pump try to draw a parallel between running costs at present tariffs for electricity and gas.
If you look at Adam's recent posts, he has a bivalent system that has a gas boiler and an ASHP, the controller makes the decision based on tariff prices, which to run. At the moment it is predominantly running the gas boiler which is much cheaper than the ASHP.
@derek-m Morning Derek - thanks for your reply - I have considered a gas boiler/heat pump hybrid system - (energy supplier trial) - Valliant Arotherm. Whilst I had space outside for the heat pump and for the gas boiler inside - I did not have space for the third part of the system - the Valliant "Unitower" which I did not have space for - so had to pass on that. I realise that there are alternatives to the Valliant Unitower, but felt that would be beyond the scope of the trial.
I will look at Adam's posts on hybrid's as I am still interested in that route and see what kind of installation he has, and what experiences he has had with it.
@derek-m thanks for your welcome. I think we are all very focussed on energy prices at the moment!
My neighbours recently obtained an EPC (Energy Performance Certificate) for their house, which is the mirror of mine: 70/C rated. We both have 300mm loft insulation, cavity wall insulation, and double glazing throughout. I assume both houses have the potential to achieve a 83/B rating if the following improvements are carried out:
It's likely that I would proceed with the floor insulation - if I went the heat pump route.
@derek-m thanks for your welcome. I think we are all very focussed on energy prices at the moment!
My neighbours recently obtained an EPC (Energy Performance Certificate) for their house, which is the mirror of mine: 70/C rated. We both have 300mm loft insulation, cavity wall insulation, and double glazing throughout. I assume both houses have the potential to achieve a 83/B rating if the following improvements are carried out:
It's likely that I would proceed with the floor insulation - if I went the heat pump route.
Above intended for Mars @editor and not Derek - apologies, forum would not allow me to edit original post.
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