HEATKEYS

Air Conditioning and Refrigeration technical tips for equipment owners, service companies, and technicians.

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basic refrigeration training on CD-ROM

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Johnson Controls is a global diversified technology and industrial leader serving customers in over 150 countries. Our 130,000 employees create quality products, services and solutions to optimize energy and operational efficiencies of buildings; l...

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Central air conditioner and refrigeration cycle explains in easier way for beginners. You

Resource guide for vocational education, including links to career exploration, job market, workforce development, employment skills, trade and technical schools, occupational related reference sites, and more.