Lava Heat Italia 2G A-Line 66,000 BTU Natural Gas Patio Heater The Lava Heat Italia 2G A-Line 66,000 BTU Natural Gas Patio Heater ($1,900) is another slightly pricier option, but if you can use it year after year, it might be a great investment. It comes in three colours and provides 360-degree heat distribution in a 36-square-foot radius. Image Source: bedbathandbeyond.com Lava Heat Italia 2G A-Line 66,000 BTU Natural Gas Patio Heater $1,900 from bedbathandbeyond.com Buy Now