The Lifetime Value of Energy Efficiency Convincing financial decision makers to invest in energy efficiency can be difficult because of the substantial upfront costs involved. Simple payback analysis often doesn’t help, since it ignores the benefits after the payback period — typically less than half the life of the project. It’s important to look beyond … Read more
Understanding Different Types of Compressed Air Dryers Compressed air is often called the fourth utility — along with water, electricity and natural gas. This is because so many business and industries rely on compressed air for their daily operations. The act of compressing air raises the air temperature and lowers the relative humidity, which allows … Read more
Variable Frequency Drives: Answering the Questions In commercial and industrial facilities, the use of variable frequency drives (VFDs) is growing, and for good reason. VFDs can reduce motor electricity usage by 25% to 85%, depending on the application. VFDs also minimize wear and tear on motors, reducing maintenance costs and increasing equipment life. Despite these … Read more
Ductwork Cut From a Different Cloth Fabric air ducts — also known as air socks or flexible ducts — are often found in commercial and industrial facilities. These flexible tubes, made from polyester materials, are used for air distribution in open, architectural ceilings and exposed ductwork applications. They represent a cost-effective alternative to traditional metal … Read more
Ask an Engineer: Energy Savings for Small Manufacturers As a small manufacturing facility, what areas should we focus on to improve our energy performance? Although manufacturing processes vary, the cost-saving strategies that follow apply in different types of facilities of all sizes. Upgrade and maintain motors Replacing older motors with properly sized premium efficiency models … Read more
Ventilation and Air Quality: Problems and Solutions HVAC systems are designed to maintain comfort and maximize indoor air quality. While heating and air conditioning are relatively straightforward, complex ventilation systems determine the quality of the indoor environment. The health problems associated with poor indoor air quality reduce productivity and cost billions of dollars each year. … Read more
Dry Vacuum Pumps Save Water & Energy Vacuum pumps are used for a variety of industrial processes, including packaging, bottling, drying and degassing. Laboratories, medical facilities, and dental offices use vacuum pumps to collect waste gases, liquids or debris from a vessel or enclosure. Vacuum pumps can be either “wet” or “dry” — based on … Read more
7 Steps to Improving Motor Performance Motors are widely used in commercial and industrial facility, and they account for more than half of the electricity used nationwide. The U.S. Department of Energy (DOE) has identified seven motor performance improvement opportunities that address both component and system issues. 1. Address motor and drive system operating … Read more
Timeline: History of Street Lighting
Remodeling Your Building for Resiliency Impacts from weather, climate and other emergencies can be hard on a building. They can also threaten the safety of building occupants and the continuity of operations. Does your building need a resiliency makeover? Resiliency is the ability to resist being affected by an event, or to quickly return to … Read more