The ACHR NEWS introduces you to Big Ass Fans' Powerfoil^® X4, engineered to provide maximum airflow in the toughest of environments.

An HVAC contractor called in to solve a comfort problem will usually first address the equipment. Some stop there, but more progressive contractors then look at the ductwork. Finally, comes the insulation.

Airflow is one of the leading causes of failure for compressors.

Many homeowners may underestimate the importance of proper ventilation, which a lack of could cause discomfort and higher energy bills.

Context can help professionals direct their attention to where duct leakage can best be addressed.

The "magic number" 1.08 is convenience factor. It is a bunch of math combined into one factor as a shortcut, although sometimes more precise calculation is better.

The key to differentiating yourself and selling the right solution is having the data to credibly explain issues and the confidence to solve problems.

Contractors should make sure systems can handle higher performance filters and talk to consumers about potential trade-offs in terms of performance.

Over time, condenser coils often become plugged or fouled with dirt, grease, weeds, cottonwood fuzz, or simply layers of dust.

An air balance report helps you stand out and says volumes about your company, design methods, installations, and results.