Chiller Economizers Introduction By Legacy Chiller Systems

About Legacy's Patented Chiller Economizer Technology?

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Reducing process chillers KWH up to 60% Legacy's revolutionary technology can be a good fit for businesses located in the right climate. In addition energy costs savings, Legacy's Chiller Economizer Technology can significantly reduce carbon emissions potentially qualifying for Federal and State rebates and tax incentives.

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Energy Conservation: In response to ever increasing electrical grid demand, many municipalities have mandated higher efficiencies on most mechanical cooling equipment.  With most market indicators trending towards increases in demand for electricity, more than ever before businesses are looking for new ways to reduce usage and carbon emissions. Recently, the Federal Government as put in place significant business tax incentives to encourage investments in more environmentally smart technologies.  To see incentives available in your market ... click here.

 Economizer history: The term Economizer is familiar to the HVAC industry as a process of using a readily available cooling medium, such as outdoor air, to exchange heat at a low cost. The goal of an Economizer is to reduce the need to deploy higher cost mechanical cooling systems that require more electrical energy. Over the years, manufacturers have offered (Air-Side) Economizers as an option when purchasing package air conditioning equipment.

Chiller Economizers: Wet-side economizers have grown in popularity over the past decade particularly in the chiller market.  Up to a few years ago, Wet-side economizers where primarily deployed on the condenser side of water-cooled chillers to supplement cooling towers. Until recently, application of wet-side economizers on the process side of chillers systems was not widely considered by U.S. chiller manufactures. Our research has shown this mainly had to do with operational challenges that process side deployments posed. 

Evolution of Chiller Economizers Technology: In 2005, Legacy Chiller Systems commissioned a feasibility study on application of wet-side economizers for Mission Critical chiller applications. Our study would focus on the use of Economizers specifically on process side of chillers. The first  tests completed on 2006 turned out to be fair at best producing only 10% to 15% KWH reductions.  By early 2007, KWH savings had improved to 35% to 60% through the use of a new Economizer controller and specialized software developed by Legacy's engineering team.

In 2007, Legacy Chiller Systems Patented Chiller Economizer Technology and now offers several products lines that take advantage of this revolutionary technology.

Legacy Economizers Technology Products:  Legacy Chiller Systems currently offers an Integrated Chiller Economizer and Retrofit Chiller Economizer solutions to the market. 

Key Markets for Chiller Economizers Technology Products: As interest in energy efficiency products has grown, key markets for Economizer Technology include: Data centers, MRI, CT, PET, laser and Semi-Conductor manufacturing. In almost all cases, Economizer Technology offers the highest return on investment when the outdoor ambient temperatures run 5-10 degrees (F) colder than process fluid design temperatures.

Legacy also offers some excellent research tools to assist customer interesting Economizers. These tools include: SystemSyzer Chiller Design Tool, Chiller Energy Audit Tool and many Knowledgebase Training Aids.