Zehnder

Flexible 3-inch diameter air distribution duct, non-insulated and UL listed.

Flexible 3-inch diameter air distribution pipe, outside ribbed, inside smooth according to DIN EN 60529.

The Zehnder ComfoAir Q600 Complete ERV Kit from Mainstream Corporation is a premier ventilation solution for small commercial spaces or large homes up to 4,500 sq.ft., ideal for spaces with 7 rooms, a kitchen, and up to 5 bathrooms. As a Certified Passive House Component, this kit ensures exceptional indoor air quality, energy efficiency. The kit includes all essential components for a complete setup, covering ventilation, controls, ducting, and filtration. For buildings larger than 4,500 SQFT please click here for a custom quote.

The ComfoTube 75 O-Ring is used to seal Comfotube sleeve. Sold in quantities of 10.

The Zehnder ComfoAir Q450 Complete ERV Kit is a high-efficiency ventilation solution designed for large homes and small commercial spaces from 2,300 to 3,000 sq.ft.. This 8-inch system ensures balanced indoor air quality, recovering heat and moisture for optimal comfort and energy savings. Ideal for spacious layouts, the Q450 kit includes all components for a seamless installation. The kit provides all essential parts for a complete setup, covering ventilation, controls, ducting, and filtration.

 ComfoTube 75 Coupling Sleeve

ComfoTags for running exhaust or supply ducts through the framing.

Exterior wall grill for ComfoPipe penetration through wall. 

Air throughput box for supply or exhaust air, including mounting brackets for the 3-inch flexible duct and white cover.

Air throughput box for supply or exhaust air, including mounting brackets for the 3-inch flexible duct and white cover.

The Round 2-Port Diffuser Box is used in combination with either the Supply Diffuser or the Return Diffuser.

The Round 2-Port Diffuser Box is used in combination with either the Supply Diffuser or the Return Diffuser.

The Round 3-Port Diffuser Box is typically used in combination with the Return Diffuser in kitchens. 

The Round 3 Port Diffuser Box is typically used in combination with the Diffuser boxes requiring three ducts.

The Zehnder ComfoAir Q350 Complete ERV Kit is a high-efficiency ventilation solution designed for medium to large homes and small commercial spaces from 1,600 to 2,300 sq.ft.. This 6-inch system delivers balanced indoor air quality, recovering heat and moisture for superior comfort and energy savings. Perfect for moderately sized spaces, the Q350 kit includes all components for a seamless installation. The kit provides all essential parts for a complete setup, covering ventilation, controls, ducting, and filtration.