HHR Storage Heaters instead of a heat pump

JoeyMudflats

I want to retire my gas combi boiler, which is now only used for central heating in the winter months. I have no other use for gas, so I could remove my gas supply and save the daily standing charge.

All the advice is 'fit a heat pump'. But I don't have much outdoor space and my wife wouldn't like the look of it. Also we would still have water pipes through the house and radiators, which are ugly, and not easy to control individually and accurately.

I have solar panels, a Tesla powerwall battery, and an electric car. I'm on the Intelligent Octopus Go tariff. Peak rate 28p/kwh, off-peak 7p/kwh at 23:30 - 05:30, and export 15p/kwh.Gas is just under 7p/kwh. I hardly buy any peak rate electricity - the battery runs the house through the day.

I reckon if I install storage heaters I can charge them at 7p/kwh in six hours overnight, and if I get modern (Dimplex Quantum) High Heat Retention units they will keep the house warm until they recharge at 23:30 each night. Assuming the gas boiler is 90% efficient and the storage heaters are 100% efficient, I'll save a little money (if only on the daily standing charge for gas) and I'll be able to have each room at the temperature I want at the times I want. 

However I've trawled the internet and I can't find anyone (apart from the manufacturer Dimplex!) recommending this route. Is there something I've missed?

I have bought and installed one storage heater, in my hallway, and it has performed faultlessly for a year. I plan to rip the gas system and its radiators out next spring and install storage heaters through the house in time for next winter.

I've checked that my grid supply won't be overloaded. I have a 100A supply, which I know is higher than standard. I think this house originally had an electric hot air central heating system.

Does anyone have any advice for me? 

WiserMiser

How old is the boiler? How reliable?

Probably a bit premature to go for HHRs if you have gas, electricity is still about four times the cost of gas, and there's no guarantee that favourable tariffs such as E7 will always be available.

Scot_39

Getting too obsessed with todays prices is meaningless under the current net zero transition - and potential political changes.

Electric costs have been rising not due to markets but net zero transition and forecast to continue to do so for years.

The changes in the budget are biased to lower electric - to offset some of the cost - but plans only as far as 2029.

Forward prediction on price alone is a fools game for running costs.

Since control seems to be your main goal - have you considered going for a smart thermostat and linked smart room trv setup - that might provided a more regulated and programmable alternative to ripping everything out.

zxzxzx

Have you considered A2A, could be feasible with the new government grant. Added bonus of cold air con in the summer might be welcome in future years?

SCOP 4 ish, and great with solar/battery combo!

Having re-read, the heat pump can be high wall mounted to please ‘her’!?