The Plastics Pipe Institute, Inc. (PPI), a trade association representing all segments of the plastic pipe industry, recently published a user document for handling high-density polyethylene (HDPE) ...

Alpha Degree expands its UL-certified HVAC product line and announces plans for a new Richmond Hill facility to meet rising North American demand in 2026. RICHMOND HILL, ON, CANADA, December 31, 2025 ...

Among the more obvious reasons for the use of round duct on rooftops, such as preventing rain, snow and ice buildup, ease of wind passage is perhaps the most overlooked. PhenoliDuct, a new closed-cell ...

Fiberglass insulation is not airtight. Heck, it will barely even slow air propelled by convection, differential pressure or wind. It is especially helpless against air moving through a leaky pipe ...

My son, 16, bought a '77 Pontiac Grand Prix. It's loud, with a big motor (muscle-car-type motor, original everything). Anyway, he sawed off the exhaust pipe to make it even louder, even though I told ...