Just got the degree days for December and updated my performance record.
2010 – 2011 Heat Performance
Shop: 1536 sq ft; 21,500 cu ft; R19 walls, R39 ceiling, R10 floor, R20 perimeter, R10 to 2.5 ft below grade
Calculated Heat Load (base 60): 40,000 BTUH at -30F outdoor, 60F indoor
Floor sensor: constant 61F (1F differential)
Outdoor/Indoor air temperature:
+ 20F / + 58F
– 10F / + 55F
– 24F / + 50F
2010 – 2011 Heat Performance
Shop: 1536 sq ft; 21,500 cu ft; R19 walls, R39 ceiling, R10 floor, R20 perimeter, R10 to 2.5 ft below grade
Calculated Heat Load (base 60): 40,000 BTUH at -30F outdoor, 60F indoor
Code:
Degree Days Normal (base 60) / Degree Days Actual (base 60) / Wood 6050 btu/lb
2010 / Degree Days Normal Degree Days Lbs Wood Lbs/DDA BTUH
2011 1970-2010 .............. Actual (DDA) ... Burned ................ Load
November 1076 ................ 873 ............... 1288 ..... 0.68 ..... 10,823
December 1559 ................ 1470 .............. 1855 ..... 1.26 ..... 15,084
January 1747
February 1375
March 1143
Outdoor/Indoor air temperature:
+ 20F / + 58F
– 10F / + 55F
– 24F / + 50F