Lime Energy Announces Enhancements to Its HVAC System

ELK GROVE VILLAGE, IL /PRNewswire-FirstCall/ -- Lime Energy Co. announced two major enhancements to its eMAC (equipment monitor and control) technology for commercial unitary (packaged) air conditioners. The first is a sensor to monitor carbon dioxide (CO2) in the conditioned space. The second addition is the ability to allow eMAC to communicate via cell phone protocol, which allows more flexibility regarding locations where the technology can be installed.

The addition of a CO2 sensor to eMAC allows building owners to obtain a better score toward LEED certification in new buildings. LEED is the nationally accepted benchmark for the design, construction, and operation of high-performance green buildings. High CO2 conditions can happen when inadequate outdoor air is introduced via the air conditioning and ventilation system. High CO2 is a contributor to poor indoor air quality, which has been shown to deter optimal work performance in building occupants. Too much outdoor air, on the other hand, can greatly increase the energy use of a building because for most of the year this air must be heated or cooled. The CO2 sensor in the eMAC gives an opportunity to measure and manage indoor air quality and efficiently provide the right amount of outdoor air to achieve the optimal balance of air quality and energy consumption.

The eMAC is a Web-based control, monitoring, and remote diagnostic system for commercial packaged air conditioning. Sensors are installed at the thermostat and the air conditioning unit to monitor temperature and energy use. The data are communicated via wireless Web-based technology back to a monitoring center at Lime Energy. Technicians can remotely monitor and control the air conditioning system to achieve desired space temperatures at all hours of the day and night, interpret system alarms, and if required dispatch repair crews and monitor their work. Today, the eMAC system is in use at some of the nation's largest banks, restaurants, and retail stores, providing clients the ability to achieve centralized HVAC control of local branch operations.

About Lime Energy
Lime Energy Co. is one of the nation's leading energy efficiency technology and engineering companies. Lime brings together more than 75 years of experience in design, engineering, and installation of energy efficient solutions providing customers with guaranteed saving results and high returns on invested capital. Additional information is available by calling 847-437-1666.

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