Calculated vs. Actual Energy Usage

Calculated Steady-State Heat Loss:

68,011 BTU/hour @ -20 degrees

Actual Steady State Heat Loss:

15,975 BTU/hour @ -20 degrees

(1 kwh = 3,413 BTU)

Actual Heating Energy Consumption:

2.20 BTU/HDD/sq.ft.

(26.15 MMBTU @ 6,139 HDD @ 1,936 sq.ft.)

1.10 BTU/HDD/sq.ft.

(26.15 MMBTU @ 6,139 HDD @ 3,820 sq.ft.)