greenhouse plastic over aluminum ribs and purlins. wood at the ends with a door.
frankly, it will be cheaper to use solar bubble plastic and float that on the pool to
keep the heat in. use solar heating to heat the water.
Ingrid

wrote:

I am building a house and decided to build a 20' by 40' inground pool
to go with it. One of the conditions of having the pool was we would
have to extend the swimming season by heating the water. Then I found
out about inflatable domes that use the heated pool water to heat the
air and inflate the dome. Sounds like a good possibility. Then I got to
thinking that I could build a double layer tunnel type greenhouse over
the pool and use 2 layers of plastic inflated with a blower. The
plastic could be removed for summer use. Has anyone ever heard of a
setup like this? Any thoughts? Am I just loony ?



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