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Since 1993, Tamarack Technologies has been a leader in improving residential indoor air

quality while reducing energy consumption. Our product line consists of fully insulated whole

house fans, electronic bath fan controls to meet ASHR AE 62.2 standards, mechanically-free quiet backdraft dampers, garage fans, wall and door return air pathways (wall& door registers). All of our products are easy to install and provide years of maintenance-free operation using very low or no energy to operate. All of our products are proudly made in the USA. Visit Tamtech.com to view all our products.