This comprehensive book has been developed to quickly train an average person for the vast commercial and residential refrigeration and air-conditioning market

Guide covers everything from basic electrical theory and the working of compressors to practical advice on the maintenance and repair of air conditioners and re

Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlement

Popular Mechanics inspires, instructs and influences readers to help them master the modern world. Whether it’s practical DIY home-improvement tips, gadgets a