Mr. Heater propane heaters are widely available through many large retailers, such as Amazon.com, Home Depot, Staples and Walmart. Some are shipped, while others are available in stores.
Sizes of Mr. Heater propane heaters vary. For instance, the Little Buddy Heater warms an area up to 100 square feet with a 1-pound disposable propane cylinder. The Portable Buddy handles 200 square feet with a small cylinder, or it uses a hose and filter to connect to 20-pound cylinder. The Big Buddy heats 400 square feet using a small or medium cylinder. The Mr. Heat 38,000-BTU forced-air propane heater attaches to a propane tank that is 20 pounds or more.