Reduce callbacks. Fix comfort problems at the source. Design systems that actually work.
Most HVAC systems do not fail because of the equipment.
They fail because the building was never addressed first.
This course teaches you how to identify, reduce, and verify load before selecting equipment, so HVAC systems are designed for the home that actually exists after improvement—not the broken version of the home that created the problem.
“You will also learn how to gather and define the real-world inputs required to perform an accurate ACCA Manual J load calculation based on actual building conditions—not assumptions.”
Who This Course Is For
- Contractors and technicians who want to learn how to perform accurate, real-world Manual J load calculations for existing homes—not just software outputs based on assumptions
- HVAC professionals tired of callbacks and comfort complaints
- Technicians who want to understand why systems do not perform
- Companies looking to improve margins through better installs
- Professionals ready to move beyond rule-of-thumb sizing
- Anyone who wants to connect building science, load calculations, diagnostics, and system performance
What You Will Learn
- How to identify where load is actually coming from in a home
- How to walk a house using a structured diagnostic process
- How to use blower doors, IR cameras, airflow testing, and field observations correctly
- How to collect and define the inputs required for a detailed Manual J load calculation in accordance with ACCA procedures
- How those inputs directly impact heating and cooling load results
- How to build a Permanent Load Reduction™ plan
- How to prove the impact of load reduction before final design
- How to connect updated load calculations to equipment selection
- How to close the loop with commissioning and performance verification
The Permanent Load Reduction™ Process
- Know the load
- Reduce the load
- Prove the reduction
- Design the system
- Install per design
- Verify performance
Course Breakdown
- Module 1: Foundations — Why HVAC Is Broken
Understand why equipment-first thinking fails and how to start reading the building. - Module 2: Measuring and Verifying the Load
Use diagnostic tools to confirm what the building is telling you. - Module 3: Field Workflow and Load Reduction Planning
Turn observations into a prioritized load reduction plan. - Module 4: Design, Manual J/S, and Verification
Update the load calculation and select equipment based on the corrected load. - Module 5: Commissioning, Performance Verification, and Closeout
Verify that the installed system performs as intended.
How This Course Is Different
This is not a theory dump or a slide deck with a voiceover.
This course is built around a field-to-design workflow. Every module connects what you see in the house to what you measure, what you reduce, what you verify, and what you design.
The goal is not just understanding. The goal is execution.
What to Expect
This course requires participation. You will be asked to think through real projects, evaluate load drivers, prioritize corrective measures, and connect diagnostic findings to design decisions.
If you have ever installed a system that should have worked but did not, this course will show you why—and how to fix it before it happens again.

