What You'll Learn
Our online HVAC training consists of 13 specialized lessons and once you graduate, you’ll be set up to take the EPA Section 608 certification exam. Successful completion of this exam will satisfy the federal government’s refrigerant handling qualifications applicable to residential and commercial air conditioner technicians.
Your lessons guide you from fundamental concepts to more challenging, hands-on skills. Practical review exercises help reinforce key topics, including how to...
- Install and troubleshoot valves, compressors, water chillers, thermostats and heat pumps
- Fix defective connections, controls and switches
- Adjust refrigerant levels
- Work with gas, oil and electric heat
- Apply successful soldering and brazing techniques
Lesson 1: Learning at Ashworth
Lesson 2: The HVAC/R Field
The goals and values of Ashworth College; time management; creating a realistic weekly and monthly study schedule; the nature and purpose of assessments; how to study effectively to prepare for and take an online examination; developing the skill sets necessary for success in the twenty-first century.
Lesson 3: HVAC/R Tools, Testing Instruments and Service Equipment
Summary of HVACR technology and employment in HVACR environments; professional organizations, certifications and professional work practices; safe work practices.
Lesson 4: Refrigeration Systems
Review of common hand and power tools as applied to HVAC/R installation and servicing and an introduction to tools used exclusively by HVAC/R technicians, including electrical testing and HVAC/R servicing meters and gauges.
Lesson 5: Refrigerant Properties and Management
Overview of the standard components and assemblies that are used in the refrigeration process; identification of different types of refrigerants and the basic elements of the refrigeration cycle.
Lesson 6: HVAC/R Electrical Systems
Covers the safe and environmentally correct practices of handling refrigerants, and the correct techniques and procedures for soldering, brazing, and installing piping and tubing. Students will also learn about system charging, evacuation and leak testing.
Lesson 7: Residential Air Conditioning Systems
Covers safe work practices related to electricity, basic concepts of electricity and AC current theory, identification and application of common components found in HVAC/R systems, interpretation of diagrams and schematics and descriptions of modern control and communication systems.
Lesson 8: Residential Heating Systems
Required concepts of air-conditioning theory including airflow and filtering principles, ventilation and dehumidification; installation practices for common residential AC systems and ductwork; troubleshooting and maintenance practices.
Lesson 9: Heat Pump Systems
Safety considerations for working with combustible materials; overview of basic furnace design and principles, installation, troubleshooting and maintenance for both gas and oil-fired systems.
Lesson 10: HVAC/R System Design, Sizing, and Layout
Overview of electric heating systems including installation, troubleshooting and maintenance; detailed coverage of heat pump designs including air-source and geothermal units; troubleshooting concepts for heat pump systems.
Lesson 11: Commercial Environmental Systems
Explanation of basic construction elements and configurations; integration of green building principles in modern construction; overview of air quality and load calculations; duct design, zone control and system testing and correction.
Lesson 12: Commercial Refrigeration Systems
Applications of HVAC concepts to commercial applications including coverage of rooftop units, chilled water systems and hydronic and boiler-based heating systems; students also learn about cooling towers and commercial control systems.
Lesson 13: HVAC/R Installation, Maintenance, and Troubleshooting
Detailed discussion of systems used for commercial food preservation and storage, complex installations for supermarkets, and large commercial ice machines. Includes troubleshooting practices for common commercial refrigeration installations.
Generally accepted practices for the proper installation, maintenance and troubleshooting of complex HVAC/R systems with detailed coverage of refrigeration system cleanup related to component failure.
Close Curriculum Details
What You Get
Begin our HVAC training online on your terms. Study at your own pace and get assistance when you need it. We’ve removed the obstacles so you can move ahead fast!
Air conditioning training courses at Ashworth College make the subject come alive. Your tuition covers:
- Comprehensive HVAC lesson book and study guides
- Online open-book exams
- A 12-page EPA Section 608 study guide issued by the ESCO Institute ($12.95 value)
- After you graduate: A $75 voucher covering all or some of the cost of writing the core section as well as sections 1,2 and 3 of the proctored EPA Section 608 Certification exam, delivered by the ESCO Institute at the location nearest you.
- Participation in the Student Community
- Career Services powered by CareerBuilder®
Graduates of our HVAC training online receive a personalized diploma and may attend our annual graduation ceremony. You’ll be ready to move forward in the HVAC profession, whether you want to start as an apprentice, work for a franchise or start your own business.
We’ve cleared the way. Start your HVAC certification course today. Speak with an Admissions Advisor at 1-800-957-5412 or enroll online now.