This Better Homes & Gardens Patio Heater drops from $149 to $106.76 at Walmart.com. Plus, shipping is free. This is the lowest price we found for any 45,000 BTU heater from any site, with prices ranging from $135-$250 everywhere else. It has an all-stainless steel construction, adjustable height, wheeled based and more. Sales tax is charged in most states.