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When the temperature climbs, this 15,000 Btu Coleman-Mach system keeps things under control fast. The matched rooftop unit and air distribution box move steady, dry air through the space so it actually feels cool instead of muggy. Inside, large coils and airflow-boosting fins help pull heat out efficiently while the R32 refrigerant keeps it compliant with 2025 EPA standards. You get consistent comfort that doesn’t fade when summer drags on.
If your old unit finally gave up, this complete kit makes replacement straightforward. The rooftop assembly and air distribution box are designed to work together, so you don’t waste time chasing compatible parts. It drops into the standard 14-1/4" × 14-1/4" opening most systems use, making it an easy retrofit for existing setups without ducted air.
No remote needed here—just reach up to the ceiling panel and set your cooling how you like it. The control knobs give you simple fan and temperature adjustments, and front and rear dampers let you direct airflow exactly where it’s needed. When it’s time to clean up, the pop-out grilles make filter access fast with no tools required.
Sometimes you don’t need to fire up a full furnace to take the edge off the cold. This system is prepped for an optional 5,600 Btu heat strip (sold separately) that installs easily into the existing setup. It gives you a convenient touch of heat without adding complexity or extra noise.
With copper tubing and secure joints, this medium-profile rooftop AC holds up season after season without losing its seal. It measures 38-3/16" long × 28-3/16" wide × 13-15/16" tall and weighs 85 lbs—sturdy enough for steady performance but still manageable for handling during install. The polished white finish matches cleanly with most setups while keeping the look low-profile and modern.
Ratings & Reviews
Mike L.
6/23/2026
Glad to hear that Dean, nothing worse than being too hot when you're camping!
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Kate F.
8/31/2026
I'm glad to hear you were able to get everything up and running and that the new Coleman-Mach is working well and much quieter for you, William! Since the thermostat was included with the # CM32RR system and you were able to configure your existing thermostat to operate the A/C and furnace, I would hang onto the supplied thermostat as a spare. I am shocked to hear that your original thermostat, we have been told by most of the AC manufacturers that the new R32 thermostat has to be installed, so this is nice to know.