Glan gluaisne
Active Member
I would get a new designer if that's all he came up with.
Sadly, I was the designer!
I designed this house in 2012, knowing that we had to be all-electric, both because there's no mains gas here, and because of the massive health impact from the products of combustion, particularly the harmful particulates from burning wood and coal.
At the time, a heat pump running a heated, insulated, passive slab foundation seemed the best solution. I still believe it is, as the house has a long thermal time constant (generally longer than 24 hours) so is well suited to being heated from the ground floor slab (we have no heating on the first floor, and don't need it at all). This works very well with the E7 tariff, as our monthly electricity bill is £48, and we're currently about £140 in credit (this includes car charging). We also get about £1,000 a year for the electricity we generate and export, so, in reality, we have no energy bill, and make a small profit. It's nice having no running costs for the car or house.