Operator`s manual

17
ventilation
Ventilation
CAUTION
•
Always provide a fresh air opening in the heated space of at least
three square feet (2,800 sq. cm.) for each 100,000 BTU/hr of heater
output.
•
a two-car garage door open 6 inches, or
•
a single car garage open 9 inches, or
•
two thirty two inch wide windows open 15 inches.