Heat & Energy Recovery Ventilation
High efficiency ventilation that reduces heat loss while providing constant fresh air is essential for a healthier and more comfortable home.
Discover VETTA's AIR series - HRVs and ERVs engineered by ALNOR Ventilation Systems, an industry leader delivering exceptional quality and innovative solutions for 30 years.
To effectively distribution fresh air throughout the home choose from a full range of components including ducting, diffusers, manifolds and more.
Standard Stock Distribution Products
Our standard in-stock distribution products and sizes are listed below. Click the images to access the product sheets. Additional sizes, listed in the product sheets are also available on request.
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Covers, Valves, Dampers
Outdoor Vent for Air Intake or Exhaust: UVLA-160
Exhaust Value Cover: KW-RM-125
Supply Value Cover: KN-RM-125
Fire/Radiation Damper 125: NLOR 0722
Foam Insert Damper for Manifolds/Diffusers: DAT-AKU-125-50
Airtight Shut Off Damper for Flex Duct:FLX-DAS-75
End Cap for Flex Duct, Manifolds, Diffusers: FLX-CS-PVC-75
Specialty Distribution Products
Looking for specialty items like slim EPP diffusers, smog filters, insulated exhaust and supply covers, glass wool silencers, duct cooling/heating units, and more? The list is endless and we've got you covered. Let us help you find the ventilation products that meet your needs.