Colin Genge

Colin Genge is the owner of Retrotec Inc, a U.S. company founded in 1990 that is the world’s largest manufacturer of air leakage measurement systems with customers in over 60 countries.

Articles By Author

Measuring Leakage in Multifamily Buildings

Author: Colin Genge
September 03, 2007

Controlling the flow of air through the exterior building enclosure is critical. But controlling the flow of air between suites and common spaces within the building is also important. [continue reading]


HVAC Contractors: Survive and Prosper in Hard Times

Author: Colin Genge
April 01, 2013

The International Energy Conservation Codes (IECC 2009 and 2012) require HVAC ducts to be tested to prove a minimum leakage of a rather easily obtained 12 CFM/100 square feet of conditioned floor area. While many states and localities ... [continue reading]

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