HVAC ductwork: Set it and forget it, right? Wrong, say growing numbers of technicians and HVAC educators who emphasize that calculated, deliberate ductwork design and construction are major factors in ...

In today’s climate, a reliable cooling system is no longer a luxury — it’s a necessity. Whether you’re building a new home or upgrading an outdated HVAC system, investing in professional central air ...

For the past 50 years, engineers have been “designing” duct systems. Quite often, they were not actually designing the systems, but were sizing duct the duct according to some rule of thumb. The rules ...