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This month’s Engineer’s Notebook evaluates methods to reduce fan energy, which accounts for 30% to 40% of building HVAC system energy, from internal pressure drop along with the increased initial costs and reduction in annual operating costs. Most air-handling units are still selected at the typical 500 fpm (2.5 m/s) rule-of-thumb, regardless of application, says the author, but energy efficiency proponents say that lower velocity is better for high-performance operation.
Citation: ASHRAE Journal, vol. 56, no. 5, May 2014
Product Details
- Published:
- 2014
- Number of Pages:
- 3
- File Size:
- 1 file , 85 KB
- Product Code(s):
- D-AJ14MayEN
