A big step in the right direction for HVAC companies is the move toward proper design utilizing software. For decades, many have been using rules of thumb to size equipment and duct systems, making ...

The fourth edition of HVAC Systems Duct Design presents the basic methods and procedures required to design HVAC air distribution systems. This manual provides the HVAC system designer detailed ...

ALLENTOWN, PA - January 12, 2026 - PRESSADVANTAGE - PJ MAC HVAC Air Duct Cleaning announced the launch of a new ...

Federal energy data shows widespread HVAC installation issues, with airflow and duct design often limiting system performance during winter demand. Proper airflow is essential to system performance.

Although the offshore industry lacks standardized guidelines, this article identifies some criteria that an engineer should consider in the design of offshore heating, ventilating, and ...

Years of hands-on HVAC system analysis across Colorado show a clear pattern: indoor air problems rarely start in living spaces—they start inside the ductwork.