I am interested in doing this. I have applied for permission to subvidivide my garden. We are going to move into the new house if we get it - so we want to build it to our specs, not just to sell.
want to stick in a 5kw ground sourced heatpump (water-air) along with a heat recovery system. Also solar hot water heating.... if I get planning permission.
Drop the heat pump, too expensive and not needed. Build the house of SIPs, as thick as possible. Once superinsulation and air tightness is reached no full heating system is needed. A small in-line duct heater battery can be installed in the Heat recovery ductwork (uprate the ductwork). Solar panels can supplement DHW. Spend the money on insulation and air-tightness not fancy machines.
filled with asthma inducing foam. No doubt that explains a lot about drivel which I don't want to know.
The structure looks like the stuff first engineered in Finland, so an holiday there might be worth investing in. The I beams are compressed waste from the mill that prepares the rest of the house with the best bits of the trees.
It certainly is a green house. The thing with such designs is that you can not cut corners and if you are doing the build yourself, the tendency to bodge along might land you in trouble.
As with all prefabs; expert, experienced help is a great investment. I would pay extra to get an overseer of some sort who really knows what he is doing. The savings made in getting a great job done quickly, more than pay for him.
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