Download or read book NFPA 90B, Standard for the Installation of Warm Air Heating and Air-Conditioning Systems, 2018 Edition written by National Fire Protection Association and published by . This book was released on 2017-09-18 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edition of NFPA 90B, Standard for the Installation of Warm Air Heating and Air-ConditioningSystems, was prepared by the Technical Committee on Air Conditioning. It was issued by theStandards Council on August 1, 2017, with an effective date of August 21, 2017, and supersedes allprevious editions.This edition of NFPA 90B was approved as an American National Standard on August 21, 2017.