This Liquid Propane Gas Construction Heater heats up to 950 square feet or an area of 25"™ x 38"™ x 8"™.It runs 11 hours on a 20 lb. propane cylinder and has a high output blower that circulates heat quickly.Engineered for dependability, this construction heater starts reliably in cold weather. Specifications: • Operates on 20/40/60 & 100 lb. threaded refillable gas propane cylinders • Push Button Matchless Ignition for Easy Starting • Quiet Atmospheric Burner • High Capacity Fan That Distributes Heat Quickly and Evenly • Angled, Wide Stance Base • Directs Heat Output • Automatic Safety Shut-Off • 10 ft. hose and regulator included • Cool Touch Shell Temperatures • Large Handle - Easy To Use Even With Gloves • 120 Volt/ 60 Hz Operation • Product Dimensions: 19"? L x 8.3"? W x 13.7"? H • Product Weight (Without Propane Tank): 12.5 lbs. • CSA Certified • 1 Year Limited Warranty This Product Is Proudly Assembled in the USA Using Parts Manufactured in the USA! • Designed, Engineered, Assembled and Tested in the USA. • Skilled American workers manufacture parts, assemble and test our products. • Only high-quality materials and parts are used in the manufacturing of our products. • Our factory features state of the art manufacturing equipment. • Product ships from our domestic warehouse in Kentucky, USA.