Modern Refrigeration & Air Conditioning, 21st Edition

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Modern Refrigeration & Air Conditioning, 21st EditionModern Refrigeration and Air Conditioning is the HVACR standard for a new generation of learner. It correlates to HVAC Excellence and PAHRA accreditation requirements to ensure complete coverage that prepares students for career success. This edition has an improved instructional design, improved assessments, enhanced content on fundamentals, such as electrical theory and troubleshooting, and new digital assets that help students master knowledge,

Addition of Article 360

trade shows

and Access Control

Part 2 is centered on fundamentals that you will need to operate a successful construction business

Index Tabs for NASCLA Contractors Guide to Business

Piping system design

Worker safety in identifying the source of power for disconnecting means and for egress from spaces containing large electrical equipment

Solid sawn lumber header and girder spans for the exterior bearing walls reduce span lengths to allow #2 Southern Pine design values

Additional equipment may be added to a roof without a full structural analysis when the equipment weighs less than 400 pounds and is less than 10 percent of the total roof dead load

Safety-Related Requirements for Capacitors

The provisions for construction fire safety were reorganized and expanded with an emphasis on the owner’s responsibilities

Site soil coefficients now correspond to the newest generation of ground motion attenuation equations (seismic values)

Exchange/Return Notes