About Us

The SuperCool Slide Rule was designed and developed by Bryan Knowlton. Bryan holds licenses in two states for heating, cooling, electrical, plumbing and general contracting. He has been self-employed for over 20 years and taught heating, air conditioning and electrical at New Mexico State University-Carlsbad.

During his years as an educator, Bryan prepared various handouts for his students. Years later while obtaining his pilot's license, Bryan was intrigued by a slide rule used in aviation to easily calculate otherwise lengthy speed, time, distance and fuel flow computations. Bryan decided to create a slide rule that would perform the computations that are needed by today's HVAC professional and combine it with the formulas and references the technician needs. All of this information needed to be included on ONE tool similar to the one used by pilots.

The SuperCool is the only slide rule manufactured that will perform superheat, subcooling and duct calculations all on one tool. The tool also calculates proper airflow through both heating and air conditioning units. Get one today and be a SuperCool tech.

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