Variable-speed blowers on indoor units can enhance the comfort and efficiency of residential HVAC systems, but most homeowner customers won’t be aware of those benefits unless you explain them. A few ...

Furnaces with variable-speed blower motors are becoming more popular - no question about it. The benefits include electrical efficiency because a variable-speed motor consumes less energy than a ...

This is a sidebar to the feature story "Automating Energy Consumption" which appears in the March, 2008 Issue of Automation World. Most energy at plants is consumed by motors. According to the U.S.

What is a variable frequency drive? Heating, ventilation, and air conditioning systems' air supply used to be constant volume into a space. Now a variable air volume control is being used to provide ...

This is a direct drive setup that has the added benefit of no maintenance. EC fans and blower have built-in electronics that electronically commutate the AC input power (single phase or three phase, ...

This family of drives is comprised of the Z1000 variable speed drive as well as the Z1000 Bypass Package designed specifically for commercial HVAC applications The Z1000 Variable Speed Drive is ...

Proper selection of component fans used in HVAC equipment continues to be a primary consideration in strategies to increase cooling efficiencies in data centers. Newer fan technology and pending fan ...