BTU CALCULATOR Determine The Amount Of BTU's You Need Square Footage Of Room: 100 to 150 150 to 250 250 to 300 300 to 350 350 to 400 400 to 450 500 to 700 700 to 1000 Number Of Occupants: 2 or less 3 4 5 6 This Room Gets A Lot Of Sunlight True False This Room Is Heavily Shaded True False There Are Cooking Appliances In This Room True False Amount Of BTU's Recommended