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The new sixth edition contains units updated to include advances or changes in technology, procedures, and or equipment. Over 250 new images have been added to emphasize the practical application approach to the book. It fosters a solid foundation and understanding of environmental problems and their solutions, and displays a depth and detail of theory, diagnostics, and repair procedures that make this a fitting book for basic HVAC-R education as well as upgrading and certification training for technicians in the field.

The promise of 3D printing is locked behind the set of skills needed to make amazing things with it. Even with the widespread availability of free CAD tools like TinkerCAD, OpenSCAD, and SketchUp, figuring out where to start is a challenge: if looking at a blank canvas in a word processor or drawing app gives you pause, imagine how much more intimidating it is with a blank 3D canvas! When you’re ready to graduate beyond downloading and printing models from Thingiverse and YouMagine, this book will help you get over the “designer’s block” that many face.