HVAC

**Special Order** The 2021 ASHRAE Handbook--Fundamentals covers basic principles and data used in the HVAC&R industry. Its more than 1,000 pages cover basic principles such as thermodynamics, psychrometrics, and heat transfer, and provide practical guidance on building envelope, indoor environmental quality, load calculations, duct and piping system design, refrigerants, energy resources, sustainability, a new chapter on climate change, and more. Climate data for over 9000 weather stations worldwide are provided as a separate download (approximately 700 MB zip file).

**Special Order** The 2015 NFPA 54: National Fuel Gas Code includes updates based on recognized risks, recent research, and the techniques, materials, developments, and construction practices in use today. From design to installation, maintenance, and inspection.

**Special Order** Advancing rapidly from basic concepts and processes to today’s most complex, cutting-edge welding technologies and practices, this comprehensive text features valuable information on topics such as welding metallurgy, metal fabrication, weld testing and inspection, joint design, job costing, and environmental and conservation tips.

**Older editions are no longer in print** The NFPA 90A: Installation of Air-Conditioning and Ventilating Systems is essential for providing adequate fire protection in today's buildings. Use the industry-approved standard of care for HVAC to protect life and property from fire, smoke, and gases resulting from fire or similar conditions.

**Older editions are no longer in print** In the event of a fire emergency, fire, smoke, and gases can quickly spread through heating, ventilation, and air-conditioning (HVAC) systems, elevating the risk of injury and loss. NFPA 90B, Standard for the Installation of Warm Air Heating and Air-Conditioning Systems, provides complete provisions for the construction, installation, operation, and maintenance of HVAC equipment, including filters, ducts, and related components.

**Special Order** NFPA 54, National Fuel Gas Code provides industry-accepted guidance for the safe installation and operation of fuel gas piping systems, appliances, equipment, and accessories. The 2018 edition includes updates based on recognized risks, recent research, and the techniques, materials, developments, and construction practices in use today.

**Special Order** Created with a clear-cut vision of necessary knowledge, this groundbreaking text provides comprehensive coverage of heating, ventilating, air conditioning, and refrigeration. Lauded as a reader-friendly text that delivers fundamental concepts, the most current trends, and practical applications with simple language and skillfully presented concepts, Fundamentals of HVACR, 2nd edition boasts carefully selected artwork and the right amount of detail.