The Com-Pak series are CADET's most popular electric heaters without the expense of complicated ductwork. They are available in 4 models Com-Pak - This is its entry unit and ideal for smaller rooms (50 to 200 square feet.) It is factory rated at 120V, 208V, and 208V/240V and can produce up to 6825 BTUs at 2000-Watt. Com-Pak Twin - Ideal for larger rooms (200 to 400 sf.). This 4000-Watt 2-units in one is perfect to fend off cold drafts and breezes in entryways. It’s only available in 208V & 208V/240V versions. Com-Pak Max - This flagship model is designed with the sturdiest sealed element. This durable design is built to work trouble-free for years to come. It is available in a multi-watt option and comes with an extra year warranty. Com-Pak Bath - Perfect to get rid of chilly air in your bathroom. Due to its rust resistant element, this unit is ideal for damp locations.