Modern Refrigeration and Air Conditioning, 22nd Edition

By: Andrew D. Althouse, Carl H. Turnquist, A.F. Bracciano, D.C. Bracciano, and G.M. Bracciano
Copyright: 2025
Subject: HVAC-R
Grade Level: 9-14

Modern Refrigeration and Air Conditioning is focused on closing the gap from students to technicians with a commitment to top quality coverage of fundamentals and the latest technology. This time-honored standard of excellence features a fantastic new instructional design that provides an excellent blend of theory, skill development, and service techniques to help students learn how to install and service refrigeration and HVAC systems. With the most up-to-date technical content, a logical and progressive organization, rich learning pedagogy and features, a superior art program, readability, and a focus on career and workplace readiness, this resource is ideal for today's students. Enhanced instructor and student resources include over 100 new lab activities, new HVACR videos, and a Virtual Toolbox. The content correlates to HVAC Excellence and ACCE (formerly PAHRA) accreditation requirements to ensure complete coverage that will prepare your students for career success.

  • This new edition includes new and enhanced coverage of heat pumps, A2L refrigerants, and the seasonal energy efficiency ratio 2 (SEER2).
  • Over 200 labs provide hands-on practice with topics that range from basic residential service tasks to commercial troubleshooting.
  • Robust digital package includes Follow-the-Heat™ animations, Troubleshooting Activities, NEW HVACR videos and animations, NEW HVACR Virtual Toolbox, Image Library, and more.
Would you like to add Professional Development to your program? PD deepens teacher knowledge, develops new skills, and improves student outcomes. Take a look at the new PD opportunities from G-W.
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Table of Contents
Section 1—Professional Development
1. Careers and Certification
2. Safety
3. Service Calls
Section 2—Service Basics
4. Tools and Supplies
5. Working with Tubing and Piping
Section 3—Refrigeration System Fundamentals
6. Energy and Matter
7. Gases
8. Basic Compression Refrigeration and Air-Conditioning Systems
9. Basic Refrigeration and Air-Conditioning System Components
Section 4—Refrigerants
10. Introduction to Refrigerants
11. Equipment and Instruments for Refrigerant Handling and Service
12. Working with Refrigerants
Section 5—Basic Electricity, Magnetism, and Electronics
13. Basic Electricity
14. Electrical Power
15. Basic Electronics
Section 6—Motors and Electric Control Systems
16. Electric Motors
17. Electrical Control Systems
18. Electrical Troubleshooting Fundamentals
19. Servicing Electric Motors and Controls
Section 7—Domestic Refrigerators and Freezers
20. Overview of Domestic Refrigerators and Freezers
21. Installation and Service of Domestic Refrigerators and Freezers
Section 8—Air-Conditioning Systems
22. Self-Contained Air-Conditioning Systems
23. Residential Split Air-Conditioning Systems
24. Humidity Control
25. Commercial Air-Conditioning Systems
26. Commercial Air-Conditioning Controls
27. Absorption and Evaporative Cooling Systems
Section 9—Indoor Air Fundamentals
28. Air Movement and Measurement
29. Air Quality
30. Air Distribution
31 Ventilation System Service
32. Heating and Cooling Loads
Section 10—Heating Systems
33. Gas-Fired Heating Systems
34. Oil-Fired Heating Systems
35. Electric Heating Systems
36. Air-Source Heat Pumps
37. Geothermal Heat Pumps
38. Hydronic Heating Fundamentals
Section 11—Energy Management and Conservation
39. Solar Power and Thermal Storage
40. Energy Management
Section 12—Commercial Refrigeration Systems
41. Overview of Commercial Refrigeration Systems
42. Special Refrigeration Systems and Applications
43. Commercial Compressors
44. Commercial Evaporators, Condensers, and Other Heat Exchangers
45. Commercial Metering Devices and Valves
46. Commercial Refrigeration System Configurations
Section 13—Installing and Servicing Commercial Refrigeration Systems
47. Installing Commercial Systems
48. Troubleshooting Commercial Systems—System Diagnosis
49. Troubleshooting Commercial Systems—Component Diagnosis
50. Servicing Commercial Systems
Section 14—Designing Commercial Refrigeration Systems
51. Understanding Heat Loads and System Thermodynamics
52. Commercial Refrigeration Component Selection
Look Inside
The Look Inside images are for preview purposes only. The format of the actual product may vary from the images shown.
Text
PDF
Front Matter (PDF, 1.29 MB)
PDF
Chapter 9 (PDF, 2.59 MB)
PDF
Chapter 23 (PDF, 4.24 MB)
Correlations
ACCE/AHRI
PDF
ACCE-AHRI Crosswalk (PDF, 238.43 KB)
PDF
Air Handling (PDF, 352.53 KB)
PDF
Air-Conditioning Systems (PDF, 362.4 KB)
PDF
Commercial Refrigeration (PDF, 462.36 KB)
PDF
Controls (PDF, 389.12 KB)
PDF
Electricity (PDF, 409.82 KB)
PDF
Heat Pump Systems (PDF, 350.17 KB)
PDF
Heating Systems (PDF, 369.76 KB)
PDF
Indoor Air Quality (PDF, 321.21 KB)
PDF
Introduction to Heating (PDF, 340.61 KB)
PDF
Load Calculations (PDF, 386.64 KB)
PDF
Piping and Piping Practices (PDF, 349.79 KB)
PDF
Preventative Maintenance (PDF, 337.4 KB)
PDF
Professional Service (PDF, 330.67 KB)
PDF
Refrigerant Recovery (PDF, 349.37 KB)
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Refrigerant Retrofits (PDF, 330.15 KB)
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Refrigerants and Lubricants (PDF, 358.44 KB)
PDF
Regulations (PDF, 355.58 KB)
PDF
Safety (PDF, 354.88 KB)
PDF
Solid State Electronics (PDF, 337.08 KB)
PDF
Tools and Equipment (PDF, 398.88 KB)
Georgia
HVAC Excellence
PDF
Building Automation (PDF, 386.03 KB)
PDF
Commercial Air Conditioning (PDF, 404.51 KB)
PDF
Commercial Refrigeration (PDF, 414.69 KB)
PDF
Duct and Envelope (PDF, 349.52 KB)
PDF
Electric Heat (PDF, 377.76 KB)
PDF
Electrical (PDF, 376.35 KB)
PDF
Gas Heat (PDF, 373.19 KB)
PDF
General Studies (PDF, 346.81 KB)
PDF
Heat Pump (PDF, 388.45 KB)
PDF
HVAC Excellence Crosswalk (PDF, 229.63 KB)
PDF
Oil Heat (PDF, 374.52 KB)
PDF
Safety (PDF, 275.95 KB)
PDF
System Performance (PDF, 367.77 KB)
About the Author(s)

Andrew D. Althouse - received his engineering degree from the University of Michigan. He was the Assistant Director of the Vocational Education Department at Cass Technical High School in Detroit and later became the Supervisor of Vocational Education for Detroit. As a leader in the field, he and his coauthor Carl Turnquist created one of the first training programs in refrigeration while at Cass Technical High School. Andy, as he was known, created the first technical training course in refrigeration for industry. The instructional materials used in this first course became the foundation for the textbook Modern Electric and Gas Refrigeration, which was published in 1933. Mr. Althouse was a Member of the American Society of Refrigerating Engineers.

Carl H. Turnquist - earned his engineering degree from Wayne State University in Detroit and, along with Mr. Althouse, developed one of the earliest training programs to provide instruction for mechanical refrigeration for the automotive industry and for railroad passenger cars. With industry support, Carl's program flourished as the demand for skilled technicians in this new field expanded. The Modern Electric and Gas Refrigeration book was revised every three to five years as new equipment was developed. The title of the book was eventually changed to Modern Refrigeration and Air Conditioning. Mr. Turnquist was an Associate Member of the American Society of Refrigerating Engineers.

A.F. Bracciano - received a bachelor of science degree in Industrial Education with Certification in Vocational Education from Wayne State University in Michigan. He also earned a master's degree in Secondary Education and a Specialist degree in Administration and Supervision.

Mr. Bracciano was employed as a teacher of Refrigeration and Air Conditioning for twelve years. He then became Director of Career and Technical Education for Warren Consolidated Schools in Warren, Michigan. He taught Community Resources Workshops for Michigan State University and presented at conferences throughout the country.

Mr. Bracciano is a life member of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), Refrigeration Service Engineers Society (RSES), Association for Career and Technical Education (ACTE), and the American Technical Education Association (ATEA).

D.C. Bracciano - began his career in HVACR at the Warren Schools Career Center, graduating in HVACR. He then attended Oakland Community College specializing in HVACR studies. Dan has worked in the HVACR field performing residential and commercial HVACR installations and service. He obtained a Bachelor of Science degree in Mechanical Engineering from Oakland University in Rochester Hills, Michigan.

Dan has over 25 years of experience working in design, development, and the manufacture of HVAC systems for Mitsubishi Climate Control, Alternative Energy Corporation, and General Motors. He holds several patents in the field, including a patent for a Modular Hermetic HVAC system. Dan is a member of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE).

G.M. Bracciano - received a bachelor's degree in Education, a master's degree in Curriculum and Instruction, and an education specialist degree in Administrative Leadership. She completed coursework in Heating, Ventilation, Air Conditioning and Refrigeration through Oakland and Macomb Community Colleges.

Ms. Bracciano has worked in the field of education for over twenty-five years and has held positions as both university professor and administrator. Currently, she is the Provost of Gulliver Schools. Ms. Bracciano specializes in development and implementation of innovative curriculums and has presented at local, state, and national conferences. Ms. Bracciano is a member of the American Society of Heating, Refrigeration and Air-Conditioning (ASHRAE), Refrigeration Service Engineers Society (RSES), the American Technical Education Association (ATEA), and the Association for Career and Technical Education (ACTE).