Greenhouse: heating ?, 1 by notmartha

notmartha wrote:
length-16ft width 12 ft
ceiling is peeked
all side windows are double pane and the roof has plexiglass
and single pane crankouts mixed with single n double panes the east and west end have 2 single pane crankouts.
floor is carpet upsidedown!
10ft to the peek
this is the rear view and there is a 6ft elm wood wall-insulated on the northe eat corner!
we did a heating survey and it said something with
30,000BTU!