Coleman-Mach 9420-352 Analog Thermostat Cool Only 12V DC Black

Coast Dist Sys (coleman Air)

<h3>Coleman-Mach: The Original RV Air Conditioning Brand</h3><p>When it comes to keeping RVs, boats, and specialty vehicles cool and comfortable, few names carry more authority than <strong>Coleman-Mach</strong>, distributed through Coast Distribution Systems. <a href="/7297-coast-dist-sys-coleman-air-air-conditioning-200073">Coleman-Mach air conditioning</a> systems have defined the standard for recreational vehicle climate control for more than half a century, and their reputation is built on a foundation of genuine engineering innovation.</p><p>The story begins in the summer of 1966, when Sheldon Coleman took a motorhome trip and came back with one clear directive for his engineering team: design an air conditioner for the coach. The result was the PolarPal — <a href="/7297-coast-dist-sys-coleman-air-air-conditioning-200073">the first RV air conditioner ever produced</a>, debuted in 1967. That pioneering spirit has never faded. Today, <a href="/7297-coast-dist-sys-coleman-air-air-conditioning-200073">Coleman-Mach air conditioners</a> are produced at their facility in Wichita, Kansas, and the brand has surpassed 9 million units built — a milestone that underscores the level of trust RV owners, OEM manufacturers, and dealers have placed in the product line for decades.</p><p>Now operating as part of the Airxcel family of brands, Coleman-Mach has grown well beyond the original single rooftop unit. <a href="/7297-coast-dist-sys-coleman-air">The full Coleman-Mach lineup</a> includes rooftop air conditioners, heat pumps, ceiling assemblies, <a href="/7297-coast-dist-sys-coleman-air-thermostats-accessories-201060">thermostats and zone control accessories</a>, conversion kits, and <a href="/7297-coast-dist-sys-coleman-air-air-filter-6192">replacement air filters</a> — everything needed to install, upgrade, or maintain a complete RV climate control system.</p><h3>A System Built for Every RV</h3><p>One of the defining strengths of the Coleman-Mach lineup is its breadth of compatibility. Units can be installed on Class A, B, and C motorhomes, fifth wheels, towable trailers, pop-up campers, truck campers, and even marine and off-road specialty vehicles. Models are available in multiple rooftop profiles — standard, medium, low, and ultra-low — helping RVers minimize wind drag and maintain a clean exterior silhouette while still getting powerful climate control inside.</p><p>BTU output options span a wide range to suit everything from compact trailers to large Class A coaches, and both ducted and non-ducted ceiling assembly configurations are supported. Heat pump models add two-season versatility, allowing the same rooftop unit to handle cooling in summer and supplemental heating when temperatures drop.</p><h3>Smart Controls and Accessories</h3><p>Modern Coleman-Mach systems pair seamlessly with the brand's own <a href="/7297-coast-dist-sys-coleman-air-thermostats-accessories-201060">digital thermostats and zone control accessories</a>, giving occupants precise temperature management throughout the RV. From simple wall-mount thermostats to multi-zone control systems, the accessory lineup is engineered specifically to work with Coleman-Mach hardware — eliminating the guesswork of mixing and matching components from different manufacturers. Proper filtration is equally important, and <a href="/7297-coast-dist-sys-coleman-air-air-filter-6192">Coleman-Mach air filters</a> are designed to protect the system's evaporator coils and maintain healthy airflow, extending the life of the AC unit and preserving interior air quality.</p><p>For RV enthusiasts, fleet managers, and marine operators who demand dependable, American-made climate control with a proven track record, Coleman-Mach — distributed by Coast Distribution Systems — remains a benchmark brand in the industry.</p>