envelopelearning@mainstreamcorporation.com phone303-912-4833
Insulated Expanded PolyPropylene (EPP) ducting allows for easy installation of intake and exhaust ducts. Available in 39″ straight sections and 45-degree bends, each piece comes with a single connection sleeve. ComfoPipe is available in 160mm diameter for the ComfoAir 200 and 350 units and 200mm diameter for the ComfoAir 550 and Q units.
Mainstream Corporation is a Colorado based Passive House Design, Consulting firm. Specializing in Passive House Products for your building project.
