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The Mach 3 Plus is Coleman-Mach's workhorse rooftop unit, rated at 13,500 nominal BTU and built with all-copper tubing joined by gas-flux brazed connections rather than cheaper mechanical fittings. That construction is a big part of why these units have a reputation for holding up over years of seasonal use.
At 320 CFM, airflow is strong enough to push cool air through a typical single-zone ducted or non-ducted system, and the medium-profile housing keeps rooftop height reasonable compared to high-profile alternatives.
Ships on a wood skid ready for mounting to your standard roof opening; a matching ceiling assembly or control kit may be needed depending on your existing setup.
