CSA certified. Safe - standing pilot increased safety. No fumes quiet and clean burning. Piezo push button igniter. No electricity required. Easy to carry; compact and lightweight. Ready to operate -10' hose and regulator included. Easy assembly, no tools needed. Heats up to approximately 1900 square feet. Operates up to 14 hours from a 20 lb. propane tank. Mr. Heater MH80CV.