We got our MHRV airtight house done but system not being turned on until the end of this week so costs can't comment on on running. But the whole point really is that you don't need underfloor heating nor radiators. The ventilation system works on its own, backed up by a condensing boiler to boost the whole unit when it is really cold and needed and once you have it on for a while you can turn it off and the heat that it previously kicked out will stay in the house as it is airtight, minimal amount of heat loss, as you will see if you search this forum, no matter what heating system you use, the key is always insulation, the more the better.
hate to spend 8 grand extra on underfloor heating and then have it sitting there unused.
The solution to this is to split the house into zones with controls/timers for each zone. I.e. have the bedrooms on one zone timed for night and morning, kitchen/living area on a separate zone, timed accordingly. Its very easy to leave the pipes out for rads when you're building should you decide that they're a better iption down the road.
thanks. i understand having the zones alright. just wondering should i put in underfloor at approx 8k extra or is MHRV efficient enough to almost reduce the need to heat the house at all. If it is, i should go for cheapest heating system as it would be rarely used
Hi All,
powered by wood pellet burner. Wise decision??
whether or not to go for UFH as compared to rads should be based on other issues
(1) UFH is more economical as it runs at lower temperatures than Rads
(.
syd, have you any stats on that?
UFH has maybe 20 times more water in it than a radiator system. More water = more energy required to heat it.
UFH does run at a lower temperture but for much longer periods as compared to a radiator system, higher running temperture, shorter running time.
UFH has a slow warm up time, not ideal for a cold snap in August when you just want to turn heating on for an hour.
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