http://www.aikencolon.com/Retrotec-House-Duct-Leakage-Training-Simulator-_p_5...An all new and quicker way to teach house and duct leakage mearsurement. The house simulator sets up in about 20 minutes. Simlpy set up blower door inside the strudy frame and begin to measure leakage. This Retrotec duct leakage simulator offers adjustable leakage holes in house and duct system for endless testing scenarios.
