While this study of overall life-cycle operation is by no means exhaustive, it provides insight into the benefits of air-cooled chillers. Table 8 ranks each chiller in terms of operational cost, first cost, and cost of ownership.

References

1) ASHRAE. (2009). Advanced energy design guide for small hospitals and healthcare facilities: 30% energy savings. Atlanta: ASHRAE.

2) McCoy, K. (2012, September 29). USA today analysis: Water costs gush higher. USA Today. Retrieved from http://www.usatoday.com/story/money/business/2012/09/27/rising-water-rates/1595651/

3) Stanford, H.W. (2011). HVAC water chillers and cooling towers: Fundamentals, application, and operation (2nd ed.). Boca Raton, FL: CRC Press.

4) Capehart, B.L., Turner, W.C., & Kennedy, W.J. (2011). Guide to energy management (7th ed.). Lilburn, GA: Fairmont Press.

 

The director of health-care accounts for HTS Texas, a full-service HVACR-equipment solutions provider, David Schurk, DES, CEM, LEED AP, CDSM, SFP, has more than 30 years of HVAC-systems-based energy-efficiency experience. He can be reached at 920-530-7677 or david.schurk@hts.com.

 

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