Cross Flow Fans

Cross flow fans produce a wide, flat sheet of air along the entire length of the impeller, which is the airflow shape that air curtains, convector heaters and electric fireplaces need and that no other fan type delivers. Diameter is fixed by the application; length is what scales the airflow. The 75 suppliers here cover 30mm to 250mm impellers in aluminium and plastic.

  • 138 products listed
  • 77 verified suppliers
  • Price range US $1 – $11000
  • Certifications seen: CE, RoHS, CCC, IP54
Specifying a Cross Flow Fan & category detail

Specifying a Cross Flow Fan

Impeller material follows the air temperature: aluminium alloy for anything in a heater’s warm-air path, plastic only where the stream stays near ambient. Length sets the airflow — doubling the impeller length roughly doubles the volume at the same diameter and speed. Motor position and shaft type must match the existing housing if you are replacing a unit; this is the specification most often got wrong on a substitution.

Part of Ventilation Fans on HVACR Nexus.

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