Surely though in the growing period ( spring /summer enough heat will be
generated anyway.I will be growing orchids in one,and another for general
use.
Thanks Keith,UK.
"Sue da Nimm" . wrote in message
...

"kenty ;-)" wrote in message
s.com...
thats the only benefit i really want it for a have young kids!& it
retains
heat better than glass.

But also has a much lower transmission, so you get less heat in the first
place.
Good in winter but less efficient in the growing season.
One benefit - when we have a scorcher you'll need less shading!