With these natural gas heaters, you can enjoy your outdoor space year-round. Tall, stylish creations add more than warmth to your patio or deck. All of our Natural Gas Patio Heaters are CGA, CSA and AGA code approved, attesting to the highest quality standards we insist our suppliers meet. Heat up an outdoor space in a hurry with natural gas output. Natural gas design makes it easy to control the warmth.