The A.I.M. Inferno Blaze atmospheric combustion units of 81% efficiency and are also on the easiest to service and install, and at the same time extremely durable. This particular boiler can meet the needs of the most difficult applications, ranging from car washes to office buildings. Important components like the heat exchanger and burner are able to slide out for easy maintenance. All of the major components can be inspected or removed without disturbing boiler casing or breaching.