by E-Calcs Plus, Inc. | Aug 15, 2026 | Commercial Energy Calculations, Duct Design, E-Calcs
When opening a new commercial space, renovating an existing building, or replacing an HVAC system, it’s tempting to rely on simple sizing estimates. Many people have heard rules such as “one ton of cooling for every 500 square feet” or similar...
by E-Calcs Plus, Inc. | Aug 1, 2026 | Duct Design, E-Calcs
Opening a new commercial space is exciting, but it can also be one of the most stressful phases of a project. Between permits, inspections, contractor schedules, and budget considerations, even a small issue can create costly delays. One of the most common causes of...
by E-Calcs Plus, Inc. | Jul 15, 2026 | Duct Design, E-Calcs, Manual J Load Calculation
If you’re planning to install a new HVAC system, replace existing equipment, build a new home, or complete a major renovation, you’ve probably heard the term “load calculation.” A load calculation helps determine how much heating and cooling...
by E-Calcs Plus, Inc. | May 15, 2026 | Duct Design, Duct Leakage Testing
Energy Loss You Can’t See: Fixing Leaky Ducts TL;DR Invisible Energy Loss: Leaky air ducts cause up to 30% of conditioned air to escape, leading to significantly higher energy bills and uneven temperatures throughout your home. Humidity and Air Quality: Holes in...
by E-Calcs Plus, Inc. | Aug 27, 2025 | Duct Design
The Role of Manuals in HVAC Design and Installation When it comes to designing and installing an efficient HVAC system, understanding the differences between Manual J, Manual D, and Manual S is essential. These manuals serve distinct but interconnected purposes:...
by E-Calcs Plus, Inc. | Mar 13, 2024 | Commercial Energy Calculations, Duct Design, E-Calcs, Residential Energy Calculations
Mastering Comfort: Air Distribution Basics and Duct Design for Florida Homes In the world of construction and home improvement, achieving optimal comfort goes beyond aesthetics; it’s about understanding the fundamentals of HVAC air distribution and duct design....
