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HVAC

Current reporting and analysis on energy efficiency related to heating, ventilation and air conditioning (HVAC), including business uses of air handling, exchange, filtration and energy recovery and district heating and cooling.

Proliphix Targets Small Businesses with Multiple Branches for Energy Management

Proliphix, a provider of energy management systems, has new hardware and services targeted for distributed enterprises, such as multi-site retailers, branch banks and school systems. The Proliphix IMT-400 Energy Controller is an energy management tool that allows customers to manage their remote HVAC systems via the web. Compatible with most ... Read more »

College Teams Prototype Energy Efficient HVAC Devices

Lawrence Berkeley National Laboratory’s Energy Efficiency Standards Group is hosting a competition for college teams to come up with innovative ideas for appliance and equipment efficiency. The Max Tech and Beyond Appliance Design Competition for Ultra-Low-Energy-Use Appliances and Equipment supports faculty-led student design teams at universities and colleges across the ... Read more »

Sprint Saves $15 Million With Energy Management System in Retail Stores

During the next 10 years, Sprint expects to save approximately $15 million with the implementation of a new retail energy management system, which has been installed in more than 1,000 Sprint retail stores to date. The energy management system, supplied by Proliphix, is expected to reduce Sprint’s retail energy costs by ... Read more »

DEFG: Prepaid Energy Contracts Lower Use 11%

Participants in a study by management consultants DEFG reported an average reduction in energy use of 11 percent when using prepaid energy services compared to traditional “post-pay” contracts. The 11 percent decrease is attributable to usage reductions while service is connected and is not a consequence of service disruption, the report ... Read more »

Constellation,Telkonet Target Hotels

Telkonet and Constellation have partnered to target hospitality customers with energy conservation products. Telkonet’s EcoSmart energy management will be provided to hospitality customers nationwide through Constellation’s “Efficiency Made Easy” program, which bundles a multi-year electricity agreement with energy conservation measures, including the EcoSmart energy management solution. The cost of efficiency ... Read more »

Puerto Rico Treatment Plants Save $2.7 Million Annually in Energy Costs

Honeywell has signed an agreement to create an energy-savings program for wastewater treatment plants of the Puerto Rico Aqueduct and Sewer Authority (PRASA), which serves more than 97 percent of Puerto Rico’s businesses and 3.7 million residents. The program will start with $16.3 million in improvements at treatment plants in ... Read more »

Wisconsin University Energy Lab Uses 48% Less Energy Than Code Minimum

The University of Wisconsin-Madison will dedicate its new Wisconsin Energy Institute (WEI) building April 5. The 100,000-sq-ft., five-story building is on track to receive LEED Gold certification and is designed to incorporate the energy efficiency that will be studied there, including: The building is projected to use 48.8 percent less ... Read more »

Retrocommissioning Key to Improving Energy Efficiency

Retrocommissioning — a process that identifies no- and low-cost energy efficiency improvements in existing buildings — is key to lower operating costs and improved building performance, according to McGuire Engineers president William J. Stangeland. Energy savings can range from 11 to 72 cents per square foot.

Schools Roundup: Solar at Georgia High School and California Schools, Texas A&M CHP System, Illinois School District 57 HVAC

Mage Solar, a turnkey coordinator of PV systems, will provide a 1.1 MW solar PV system to Dublin City High School, in Dublin, Ga. The 4,898-module system will be spread out over several locations on campus and include roof top arrays, ground mounts and dual axis trackers. Evergreen Solar Services, ... Read more »


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