2011: Retrotec was the prime developer of the large building airtightness testing Protocol for the U.S. Army Corp of Engineers. 2013: Retrotec released the first Touch Screen WiFi gauge leaving behind all competing gauges. 2015: Retrotec produces 5 test fans, 5 door panel systems and custom software. New applications now complied with every
Minneapolis Blower Door Model 3 Without Gauge (Includes Gauge Board for DG-1000) - BD3-KIT-002. $3,021.00.
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