Course Date: March 18 & 19, 2026 / Wed-Thurs

Time: 8:00 am to 4:30 pm daily

Instructor: Michael Pratl

Location: Technical Training Institute Classroom @ Lee Air Conditioning
5109 Neal Rd, Durham, NC 27705

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 2025 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