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Absorption Chillers: The Basics

August 31, 2017 1:10 PM / by

 Dan Lunt

Posted in Cogen HVAC Chillers Efficiency


Vapor Compressor vs. Absorption

Most of us are at least somewhat familiar with the basic concept of vapor compressor refrigeration. This process is typically used in refrigerators and freezers, and room and building air conditioning units. A refrigerant gas is compressed and pumped through a condenser circuit where it condenses into a liquid and releases heat in the process. The condenser generally consists of a set of coils that allow for efficient heat transfer aided by a fan that helps carry the heat away into the surrounding air. In larger commercial systems, the heat might be carried away through a water cooling system. 


Why Superstorm Sandy Couldn’t Stop Microturbine Power

July 10, 2017 2:00 PM / by

 Clayton Erekson

Posted in Virtual Energy Manager Cogen CHP


When lightning knocked out power in the new wing of a California hospital, staff held small battery-powered spotlights while the surgeon closed down the emergency operation. Fire trucks soon illuminated the room with portable lights through the windows and the surgeon completed the operation.