Designed for quick, on-site use, this newly updated reference lists the current code requirements for heating, ventilation, and air-conditioning systems, and is cross-referenced to the current Uniform Mechanical Code and the International Residential Code. Outlining the principles behind the codes, the book ensures that all jobs meet the most stringent safety standards while reducing code violation callbacks. Endorsed by the International Conference of Building Officials (ICBO), this guide is spiral-bound with laminated pages for durability and ease of use.