Lomanco's Wind Driven Turbines will help reduce your utility bills and make your home more heating and cooling efficient. Whirlybirds will remove SUMMER HEAT from your attic and reduce the strain on your air conditioning system. Whirlybirds will remove WINTER MOISTURE from your attic and maintain your insulation's effectiveness by keeping it dry.

Protect your home from damage caused by HEAT and MOISTURE by installing Lomanco Turbine Ventilator Whirlybirds.

• Permanently lubricated upper and lower ball bearings that ensure long life and no maintenance.
• All-aluminum rust-free construction.
• Rigid spider-type structure.
• Riveted at every connection.
• 21 air-foil curved vanes with rolled vane edges to deflect water.
• Exclusive vari-pitch base adjusts to 12 / 12 roof pitch.
• Large flashing for easy installation.
• Tested to withstand winds of 147 m.p.h.
• Forever Guarantee - residential use only.
• Reduces energy bills.
• Reduces winter ice build up.
• Big Whirly - 14" is the same as the Whirlybird® 12", but moves up to 37% more air.
• 8" turbine and base units available; design differs slightly.