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Makes so much sense for a rural location with no mains gas but electricity (and usually plenty of space).
I've read the immersion should be once a week rather than once a month, but that may well be wrong.
Looking forward to getting used to an ASHP in Feb. We have 9m2 of UFH then big alu rads in the rest of the house.
dbr-
They do say once a week, but they assume the water in the hot tank isn’t used in that time. Ours is always emptying and filling as there are 3 of us that shower/bath daily, wash dishes etc, so once a month should be more than adequate. He says as we all die fro… .… … ;)
They’ll want to wire you’re immersion heat into the boiler to auto heat, but that means you can’t use it the heat water at other times if you need to, so we opted to do the ‘bug killing’ ourselves.
UFH is the boss.
I hope you got the ££££ from the government.
Chaley
Cheers, the air pump has only been in for a couple of months so I have no idea on how much it costs to run, but we were spending £3,500 ish a year on oil and that includes through lockdown when oil was super super cheap. So we’re hoping on it making a real difference no matter what.