Solar tubes, mostly imported from China look promising; but can anybody show evidence that these will last when subjected to years of NZ climatic conditions?
Friday, July 13, 2007
Solar tubes - are they really that good?
Subscribe to:
Post Comments (Atom)
1 comment:
Original old style Tubes from 1984 at New South Wales University are still in perfect condition,
That's 24 years. The absorber can't corrode unless the tube is broken.
Post a Comment