Since 1966 Sunpak has been manufacturing residential and commercial-grade outdoor hanging gas patio heaters! Sunpak patio heaters operate using highly-efficient infrared radiant energy, this heating method is simple to operate and draft-free. Produced with pride in the USA since 1966 Sunpak heaters warm objects rather than trying to inefficiently heat the air. Sunpak patio heaters have been installed worldwide in thousands of premium residential and discerning commercial installations. All Sunpak hanging patio gas heaters are CSA Design Certified and are equipped for clean-burning, cost-effective, and highly efficient natural gas or propane fuels. Sunpak heaters are designed certified for outdoor use and outdoor installations only.