Ernie MacFerran

MacFerran is the Hillsborough County School District’s mechanical engineer responsible for the construction and maintenance of the school’s mechanical systems. He is a recipient of the Grand Award for Engineering Ex-cellence by the Florida Institute of Engineers, and was named Engineer of the Year by both the Florida West Coast ASHRAE Chapter and by the Association of Energy Engineers. He has been recognized by WHO’s WHO in America for his work in the school district, and was nominated for the district’s, “Making Miracles Happen Every Day.”

ARTICLES

Are We Unknowingly Wrong-Sizing Ducts?

By Ernie MacFerran
5 Comments
A small team led by an award-winning Florida engineer decided to test conventional wisdom about pressure loss, both in a straight run and in comparing supply and exhaust scenarios. Early returns suggest the data may be flowing in an unexpected fashion.
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IAQ: Florida's Teachable Moment

By Ernie MacFerran
2 Comments
An engineer with the 9th-largest school district in the United States writes about the IAQ testing and final report that his district commissioned. From offices to classrooms to cafeterias and restrooms, the monitoring was extensive. Read the results and some author comments about acceptable IAQ in schools, the possibility of overdoing fresh air, and the associated costs.
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