HEATERS AND TRANSITIONS
Heaters
Galvanized for superior corrosion resistance
Caldwell heaters are designed to work in combination with either axial, centrifugal or inline fans. Fueled by natural gas, and liquid or vapor propane, Caldwell heaters are available in upstream and downstream models.

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Easy access service door and control box
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Heavy gauge galvanized housings built to last
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High and low temperature configurations
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Nine models of electric humidity controllers
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Models manufactured to CSA 3.8-2014 Standard and listed with CSA are available
Transitions
Caldwell transitions have a galvanized housing and feature an efficient design to reduce turbulence.
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Offers maximum airflow
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Shipped fully assembled for faster installation
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Forms a tight, dependable seal
