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Tamarack Technologies HV1000 R38 Insulated Whole House Fan Energy efficient Circulates 1,000 CFM* using only 70 watts Only brand with R38 or R50 i...
View full detailsTamarack Technologies HV1600 R-38 Whole House Fan Energy efficient The only brand with R50 or R38 Insulated self sealing doors California Title 24...
View full detailsTamarack Technologies HV1000 R-50 Insulated Whole House Fan Energy efficient Circulates 1,000 CFM* using only 70 watts Only brand with R38 or R50...
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