The information provided herein is a reference provided to you at no charge. The information provided is based, in most cases, on the original. specifications. If your vehicle was originally charged with R12 refrigerant, for example, the oil type specified, 'mineral', will not apply.
A square foot (abbreviated as ft2) is a unit of area measurement equivalent to a square measuring 1 foot on every side. One square foot equals to approximately 0.09 square meters. A square foot is a unit of area used mostly in the imperial and U.S. customary measurement systems.
Newer buildings tend to be larger than older buildings. The average size of buildings constructed before 1960 (26% of the commercial building stock) is 12,000 square feet; buildings constructed between 1960 and 1999 (55%) average 16,300 square feet; and buildings constructed in the 2000s (18%) average 19,000 square feet.