Coleman 48203C969 Mach 3 PLUS RV Air Conditioner

The Coleman-Mach 3 PLUS is one of America’s bestselling RV air conditioners, offering dependable cooling performance and strong long-term value for RV owners. Now charged with R-410A refrigerant, it provides improved efficiency and more environmentally responsible operation without sacrificing power.

As the second most powerful unit in the Coleman-Mach lineup, the Mach 3 PLUS delivers 13,500 BTU of cooling capacity and a high 320 CFM airflow rate, helping your RV cool down quickly—even during hot summer travel. Its large evaporator and condenser coils, combined with raised lance fins, are designed to dissipate heat effectively and maintain consistent performance in demanding conditions.

Built for durability, the unit features all-copper tubing and gas-flux brazed joints that withstand vibration, heat, and years of on-the-road use. The protective A/C shroud also includes condenser coil guarding to help prevent damage from debris and weather exposure.

For added versatility, an optional heater assembly can be installed to provide 5,600 BTU of supplemental warmth, making the Mach 3 PLUS a practical solution for both summer cooling and shoulder-season comfort.

Reliable, efficient, and built to last, the Coleman-Mach 3 PLUS remains a trusted choice for RVers seeking strong performance and year-round comfort.

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