HVAC for Large Spaces: The Sustainable Benefits of HVLS (High Volume/Low Speed) Fans

In the face of common wisdom that higher fan speeds deliver better cooling effect, HVLS fans are proven to be considerably more effective and energy efficient for large spaces.
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Sponsored by MacroAir Technologies
Karin Tetlow

CONCLUSION

By employing the physics that explain the effectiveness of a centuries-old method of cooling, manufacturers of High Volume/Low Speed fans offer a viable option for architects and designers seeking sustainable design. As a standalone cooling system or in conjunction with HVAC, they provide an efficient, cost-effective solution to cooling and heating large open spaces that enhances the comfort and productivity of occupants. Yielding documented cost savings, HVLS fans contribute to LEED® certification and building system economies in many building types including manufacturing, production, warehousing, commercial and numerous one of a kind spaces such as churches and gymnasiums. When specifying HVLS fans, design professionals should take into account not only the amount of air moved or maximum effective area, but also details such as mounting system safety and usability, EMI/RFI compliancy, and warranted service and component life.

References

ASHRAE. ASHRAE Standard 62. Comprehensive summary

"Report on Measurement of the Air Velocities from Industrial Ceiling Mounted, and Floor Mounted Fans for HVLS Fan Company." Marietta, GA. 2001.

Saïd, M.N.A, R.A. MacDonald, and G.C. Durrant. Measurement of Thermal Stratification in Large Single-Cell Buildings

Santolucito, Phillip. Memo to Tom Helms, MacroAir Technologies.
San Bernardino, CA. 6/23/09

Schirmer Engineering. HVLS Fans and Sprinkler Operation Phase 1 Research Program: Final Report

Shultz, Tom. Abstract-21st Annual Dairy Day, March 20, 2002, Animal Sciences Dept., UC Davis: Electric Power Saving Options for Cow Cooling

 

MacroAir Technologies

Founded by Walter Boyd, the inventor of HVLS commercial fan technology, and a family-owned company since its inception in 1995, MacroAir combines technology with a unique application of the laws of physics to produce air-circulating fans for use in large industrial, commercial, and agricultural/farm buildings. For more information about MacroAir Technologies visit:  www.macro-air.com

 

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Originally published in Architectural Record
Originally published in December 2009

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