Farnsworth Data:

Interior design temperature: 72 ^oF
Interior RH: 50%
Exterior design temperature: 6 ^oF
Exterior RH: 20%
Frostline: 4 feet

Trees Nearby (for radiation)
Medium construction quality (for air infiltration)

Envelope area and building volume:

• roof area: 1,540 sf
• glazed area: 1,552 sf
• column projection on facade: 42 sf
• building volume: 14630 cf
• (building dimensions: 55' x 28' x 9.5' high)

Terrestrial emmisivities:

• roof: .8
• glass: .05 (assume shades are drawn and they have negligible R value)
• columns (white paint) .8

(Assume the underside of the floor to be in radiative equilibrium with the ground below).

R Values:

• roof: 8.5
• glass: 1.0 (1/4"plate glass)
• columns: 0.05
• floor: 2.0