24,500 BTUs total; 11,500 BTUs on main burner and 6,500 BTUs on auxiliary burners. Powered by 3.5 pints of clean-burning Coleman Fuel or unleaded gas. 2.3 hours burn time on high, 8.5 hours on low. Boils a quart of water in 3.5 minutes 16" x 31" x 8" (closed)