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

The Sheet Metal and Air Conditioning Contractors’ National Association Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA), the leader in promoting quality and excellence in ...

Building engineers and mechanical contractors may want take note: This is the year that duct design and installation will begin to face an increased amount of scrutiny. A slew of tighter, more ...

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.