sureshponnapati
Jul 1, 2012, 05:38 PM
please give me the thumb rule to calculate the cooling load of 20ft X 20ft?
ma0641
Jul 1, 2012, 06:09 PM
There is no real rule of thumb. A lot depends on solar loading, windows, insulation etc. However, 6-8,000 BTU should be sufficient on AVERAGE