The following cases illustrate a few common problems and solutions. It is not uncommon to see a variable-speed fan in the second ventilation stage while the first-stage fan is running at full speed.

The device that controls the fan speed is called a variable speed drive. Variable frequency drives are also used on pumps and cooling towers to match the demand of the space with the proper energy ...

The Environmental Product Declaration, based on rigorous life-cycle assessment methodology, provides a comprehensive overview ...

ABB has expanded its HVACR motor product line with the launch of ERH, a highly efficient, compact and lightweight solution ...

Carrier is pleased to announce the launch of its first Environmental Product Declaration (EPD) for residential HVAC solutions ...