The prices for Master heaters depend on the specific model, but they typically range from $72.99 to $1,599.99, as of 2015. The most expensive models use kerosene and have a heat output of up to 400,000 British thermal units, while the least expensive models feature only 16,000 BTU.
The MH-400T-KFA Master heater model is able to operate eight hours on a full 24-gallon tank with a coverage of nearly 10,000 square feet. This model is also portable and has a built-in thermostat. Other Master heater models include propane and convection heaters. Most Master propane heaters feature the forced air functionality and continuous electronic ignition, although their heat output and area coverage is typically lower in comparison to models that use kerosene.