
Welcome to The Technical Training Institute's online store.
ACCA CS – Commercial Design Manual Applications Systems and Equipment
$135.00
ACCA D – Residential Duct System Design
$135.00
$175.00
ACCA Q – Low-pressure, Low-velocity Duct System Design
$135.00
Course Date: Wed-Thurs, January 13 & 14, 2027
Time: 8:00 am to 4:30 pm daily
Instructor: Michael Pratl
Location: Technical Training Institute Classroom @ Lee’s Air Conditioning, 5109 Neal Road, Durham, NC 27709
Special Instructions regarding software/laptop computer requirements:
- If you have an active version of Wrightsoft with Right-J and Right-D you can use it during class.
- If you don’t own the software, use this link to download the fully functional demo from Wrightsoft
- To participate in the class you’ll need a Windows laptop or tablet, running Windows 10 or higher, running the Wrightsoft RightSuite 2026 demo software for Windows
- note: this class will not support Wrightsoft’s mobile product designed for iPads
- Software purchase is NOT REQUIRED for participation in this class
Course Agenda:
The two-day class covers the following subject matter:
• Procedures used in replacement surveys for HVAC system applications
• New construction plans review for HVAC system design
• State Board requirements for performance: 21 NCAC Chapter 50 Section .0505
• 2018 North Carolina Code compliance for replacement systems
• ACCA Manual – J Block loads for replacement systems using Wrightsoft Design Software
• Room-by-room loads for duct system design for new construction and duct system replacements using Wrightsoft Design Software
• Select Equipment based on ACCA Manual – S using Wrightsoft Design Software
• Complete a simple single-story ACCA Manual – J block load and select equipment based on ACCA Manual – S
• Complete a two-story, two system, ACCA Manual – J load and select the equipment based on ACCA Manual – S
• Complete a room-by-room single-story ACCA Manual J load and design an ACCA Manual – D compliant duct system
• Complete a two-story single-system ACCA Manual – J load and design a Manual – D compliant duct system and select equipment compliant with ACCA Manual-S
• Complete a two-story, two-system ACCA Manual – J load and load and design Manual – D compliant duct systems and select equipment compliant with ACCA Manual -S
You’ll receive a drive with the following templates to simplify the design process:
• Design templates for NC, SC and VA cities based on building construction Codes from the last 30-years.
• Building plans and drawing for load estimating practice (paper copies are also provided)
• ACCA Standards PDF
• Building performance standards from the US Department of Energy
• HVAC Best Practices Guides from the US Department of Energy
• Replacement system Code upgrade check list
$795.00
Modern Refrigeration and Air Conditioning, 22nd Edition, Hardcover
$225.00
NASCLA Business and Project Management Handbook for NC Contractors, 7th Edition (Required for NC Contractor Exams)
$120.00
Softcover Edition of 2020 National Electrical Code with pre-printed index tabs
$225.00
2013 NFPA 72: National Fire Alarm and Signaling Code – Softcover with pre-printed index tabs
$225.00
Set includes softcover editions of 2020 National Electrical Code and the 2013 National Fire Alarm Code NFPA72 with pre-printed index tabs
$425.00
8-hour Electrical Continuing Education for all NC License Classifications (Based on 2020 National Electrical Code)
$249.00
You’ve Invested In Your Success! We’ll teach you the techniques to pass your exam the first time.
Tuition includes the NC Electrical Exam Prep Student Manual & Study Guide Set, delivered at class.
Enrollment confirmation emailed within 24 hours, call the TTI class administrator @ 919-805-9900 with course/codebook questions.
$695.00
This two-day prep course will teach you theory, calculations and how to navigate the 2020 National Electrical Code and 2013 National Fire Alarm Code.
The Technical Training Institute’s U/Ltd Electrical Exam Prep Student Manual & Study Guide Set, Codebook Hi-Lighting Guide and Recommended Tabbing Guide are included in tuition and shipped prior to your class date.
$595.00
NC Electrical Exam SP-PH- Student Manual & Home Study Guide (2020 National Electrical Code is required reference book)
$249.00

This one-day exam prep course prepares applicants for the NC SP-PH electrical exam.
SP-PH license application preparation included in course fee.
TTI’s SP-PH Exam Prep Student Manual-Study Guide included and delivered at class
Required codebook: 2020 National Electrical Code – $225 (included pre-printed tabs)
NC Electrical Board Application/PSI Testing fee: $125.00
$395.00

