Lowest profile in the industry at 8" tall. Less drag, improved fuel efficiencyTwo motors means the Mach 8 delivers the same high BTUs of cooling on both high and low speed operationHighest air flow delivery on high speed, and ultra quiet on low speed for night time coolingIndustry exclusive molded one-piece fiberglass base pan provides excellent durability with reduced weightLightest- weighing in at 90 lbs., the Mach 8 is the lightest low profile unit madeBackward compatible with any Coleman Mach air conditioner, and installs easily from the roof for ducted top down mounted systemsOperates even in desert conditions of 125° FHas the largest BTU resistance heater of any RV air conditioner