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. | Jul 29, 2025 | Duct Leakage Testing
If you’ve been wondering whether your home might have an issue with its duct system, it’s likely time to consider air duct leakage testing. A well-sealed ductwork system is essential to ensuring your HVAC system runs efficiently, delivering conditioned air exactly...
by E-Calcs Plus, Inc. | May 19, 2025 | Manual J Load Calculation
Designing an efficient and effective HVAC (heating, ventilation, and air conditioning) system for your home begins with a critical step: performing a load calculation. Commonly known as a Manual J calculation, this process accurately determines the heating and cooling...