Tell Your Energy Efficiency Story You’ve finished your energy efficiency project and the savings are rolling in. Don’t keep it to yourself; get the word out about your accomplishments using a variety of media channels. With such publicity, you’ll be better able to justify your next project. You’ll also be promoting your company’s commitment to … Read more
Comparing Energy Modeling Software There are dozens of energy modeling programs to choose from, all providing a whole building comparison to a baseline. Some programs offer computational fluid dynamics (CFD), daylighting analysis, credit calculations for LEED (Leadership in Energy and Environmental Design) and other features. Choosing the right program for your project will depend on … Read more
Ask an Engineer: VFD Phase Conversion How do you convert variable frequency drives from single-phase to three-phase power? Phase converters convert a single-phase supply to three-phase power. If you’ll be using the phase converter device to create a three-phase output from single-phase input, you should know that variable frequency drives (VFDs) typically require a more … Read more
https://player.vimeo.com/external/348684738.hd.mp4?s=38ec1ad72b87d42f23248cf5520bd098c3db8a65&profile_id=175 Then & Now Air Conditioning Willis Carrier invented air conditioning in 1902. Let’s take a look at how it has changed since then. In 1914, the first residential air conditioning units took up 840 cubic feet of space. Today, standard home HVAC units only occupy about 36 cubic feet. In 1932, the first room … Read more
Tests Prove Benefits of Rooftop HVAC Controls You know the cost-saving benefits that advanced HVAC controls can bring to commercial and industrial facilities. Without some hard data, however, it may sound to some like you’re just blowing a lot of hot air. Real-world testing of rooftop units by the U.S. Department of Energy (DOE) may … Read more
Advanced Features in High Performance Rooftop Units Packaged rooftop units are widely used to provide heating and cooling in commercial and industrial buildings. Many of these systems are older and inefficient by today’s standards, and years of exposure to a variety of weather conditions has further reduced their efficiency. Upgrading to a new, high-performance rooftop … Read more
https://player.vimeo.com/external/396737753.hd.mp4?s=1a0862bf159634528beb55511c089c8b5f0e8863&profile_id=175 Mastery Maintenance: Rooftop Units It’s easy to neglect your packaged rooftop units. After all, you put them on the roof so you wouldn’t be able to see them. But a proper maintenance plan can keep your rooftop unit performing at peak efficiency and provide increased equipment longevity. Most preventive maintenance activities for a rooftop … Read more
Energy Waste: The Hidden Costs
Customized Comfort? Socially Driven HVAC Systems Saving energy while maximizing occupant comfort is a challenging goal for many facilities. However, a potential solution to this age-old problem has surfaced — socially driven HVAC optimization. In tests, this user-based system resulted in 20% cooling energy savings and 47% heating savings, while significantly reducing hot and cold … Read more
Clearing the Air on HVAC Commissioning HVAC systems are critical to building comfort, but they’re also the biggest energy user in a typical commercial building. Proper operation affects employee health and productivity, as well as customer purchasing behavior. A new HVAC installation may not operate as intended, however. People make mistakes, microprocessor controls are complex … Read more