Airflow velocity in a residential HVAC market duct system is an important design consideration. Although designing for proper velocity applies to all ducted HVAC construction systems — heat pumps, air ...

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 ...

Mold in your air ducts isn’t just gross—it can make your home smell musty, cause respiratory problems, and exacerbate allergies. Since your HVAC system circulates air throughout your home, any mold ...

PJ MAC HVAC Air Duct Cleaning announced an expansion of its ductwork repair services this week, outlining operational updates intended to support residential and commercial systems across the region.

But what workers hate is not the air-conditioning itself. It’s the way that air-conditioning is distributed: through snaking overhead tunnels of metal ductwork and out the end of just a few vents ...

Sirius Plumbing and Air Conditioning launches free duct cleaning program with every qualifying HVAC upgrade in North ...

BALA CYNWYD, PA - February 13, 2026 - PRESSADVANTAGE - PJ MAC HVAC Air Duct Cleaning announced in February 2026 that it ...