Addison's disease, or hypoadrenocorticism, is a hormonal disorder that is typically diagnosed in dogs, and considered rare in cats. In fact, while Addison's disease is still relatively uncommon in dogs, it occurs more frequently than with humans and commonly affects young to middle-aged female dogs.
Quick calculation for offices. Heat load (BTU) = Length (ft.) x Width (ft.) x Height (ft.) x 4. Heat load (BTU) = Length (m) x Width (m) x Height (m) x 141. A more accurate heat load calculation for any type of room or building. The size of the area being cooled.
Heating Degree-Day Calculation. A heating degree-day calculation, using the month of July as a factor, is a more precise way of estimating furnace size. Natural gas for a furnace is priced by the therm, or per 100,000 BTUs. Therms are listed on your home's gas bill in annual and monthly usage rates.