Kleinert, Eric. HVAC and refrigeration preventing maintenance / Eric Kleinert. - United States of America: Mc Graw Hill Education, c2015. - 386 pages : ill., b & w ; 25 cm. ISBN: 9780071825658 Subjects--Topical Terms: HVAC.Refrigeration--preventive maintenance. LC Class. No.: CIR TH 7012 / K54 2015