A battery capable of running/reducing the electrical system load.
Solar panels large enough to deal with low winter sun to charge the battery or it would be pointless.
A heat pump.
Would it not be easier to give then the £300 a year
A battery capable of running/reducing the electrical system load.
Solar panels large enough to deal with low winter sun to charge the battery or it would be pointless.
A heat pump.
Would it not be easier to give then the £300 a year