Ventilation engineered for performance,insulation, and durability.

Whether you’re avoiding complex wall perforations or looking to replace an unreliable open ridge, Ventec Chimneys offer a smart, efficient, and insulated solution for superior airexhaust and natural airflow control. Designed for year-round performance, our chimneys stop rain and snow infiltration, help prevent freezing, and keep feed alleys dry.

Natural Insulated Chimneys

The foundation of effective naturalventilation.

Available in multiple shapes and sizes,these chimneys adapt to all building types and roof pitches. Each unit includesan insulated duct and cap, plus an internal damper for airflow control.

Types & Sizes

• Oval: 22” x 32” – Ideal for large barns (+/- 18 cows/chimney)
• Round: 22” – Optimal for short buildings, offers enhanced airflow (+/- 13 cows/chimney)
• Square: 22” x 22” – Versatile and balanced (+/- 18 cows/chimney)
• Rectangular: 22” x 26” – Mid-size option (+/- 16 cows/chimney)

Features:

• Fully insulated design (duct + cap)
• Internal airflow damper
• Roof flashing available for all pitches
• Adapts to any structure

Powered Chimneys

Mechanical exhaust power with low maintenance and maximum durability.

When natural ventilation isn’t enough, our powered chimneys deliver consistent airflow with the same rugged durability Ventec is known for. Both models are built with corrosion- and UV-resistant HDPE, making them perfect for harsh environments.

CPT –Powered Chimney (Axial Fan Ready)

• Compatible with axial fans
• Gravity-assisted butterfly damper auto-adjusts to     airflow
• Durable HDPE construction
• Exterior dimensions: 22” x 22”

CT –Powered Chimney / Roof Vent

• Can be used as a powered roof vent
• Same heavy-duty HDPE design
• Exterior dimensions: 22” x 22”

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