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.
