The world's over-the-road bestseller.


As the best-selling RV air conditioner in the world, the Mach 3 PLUS™ is also one of the best air conditioning values available. Featuring a large evaporator and condenser coils with raised lance fins to help dissipate heat, the Mach 3 PLUS™ has a solid 13,500 nominal BTU cooling capacity and delivers 320 CFM (cubic feet per minute) or 543.7 CMH (cubic meters per hour) airflow.


You can count on the Mach 3 PLUS™ for reliability. All-copper tubing and gas-flux brazed joints ensure durability and long life for your RV air conditioner. Add the optional Heater Assembly, and you'll also have 5,600 BTUs of heat for cool-weather outings.