About ManualJPro

Our Mission

ManualJPro delivers expert-level content for professionals in the HVAC load calculation and building codes industry. Every article is researched, reviewed, and published by experienced editors with real-world credentials in their fields.

We believe that access to high-quality, actionable information shouldn't require expensive consultants or industry conferences. Our goal is to be the most trusted source of HVAC load calculation and building codes insights on the web.

Our Editorial Team

T

Tom Brennan

Chief Editor

EPA 608 Universal · NATE Certified · 20 Years HVAC

Tom is a licensed HVAC contractor turned industry writer. With 20 years in residential and commercial HVAC, he brings first-hand field experience to every article.

L

Lisa Park

Technical Writer

Mechanical Engineering, B.S. · BPI Certified

Lisa covers HVAC system design, Manual J calculations, and energy efficiency standards. She translates complex engineering specs into actionable guidance for contractors and homeowners.

Editorial Standards

Read our full Editorial Policy and our Affiliate Disclaimer.

Contact Us

Have a question, correction, or partnership inquiry? Reach us at our contact page.