Prepare for your career with HEAT PUMPS, 2e. This reader-friendly, full color book provides comprehensive coverage of air source, water source, and geothermal heating pump technology. Fifteen dedicated troubleshooting chapters provide ample opportunities for you to apply each of the steps required for successful completion of every service call. The Second Edition addresses the latest green building codes and includes a wide range of built-in learning aids and real-life examples to help you develop the knowledge and skills they will need on the job.