Lomanco Whirlybird turbine vents are designed to provide attic ventilation, potentially reducing energy bills and preventing winter ice buildup. These vents feature all-aluminum, rust-free construction and are available in three sizes: 8”, 12”, and 14”. The 14” “Big Whirly” model is capable of moving 37% more air than the 12” version. A key feature is the “Forever Guarantee” offered for residential use, alongside permanently lubricated ball bearings for low maintenance. Proper installation, including correct spacing based on roof length, is crucial for optimal performance.
Overview of Lomanco Whirlybird Turbines
Lomanco manufactures the Whirlybird turbine ventilator, marketed as an all-weather turbine vent. The devices are intended to contribute to energy savings and align with environmentally conscious practices. All Lomanco Whirlybird Turbines share several common features. These include a lifetime transferable warranty, referred to as the “Forever Guarantee,” applicable to residential use. The turbines utilize permanently lubricated upper and lower ball bearings, designed to minimize maintenance requirements throughout their operational lifespan. Construction materials consist of 100% rust-free aluminum.
The turbine design incorporates a rigid, spider-type structure, riveted at every connection point. This construction is tested to withstand wind speeds up to 110 miles per hour. Each turbine features 21 airfoil-curved vanes with rolled edges, intended to deflect water and prevent intrusion into the attic space. An exclusive vari-pitch base allows adjustment to a 12/12 roof pitch, increasing compatibility with various roof types. Large flashing is included to simplify the installation process.
Installation Guidelines
Proper placement of Whirlybird turbine vents is essential for effective ventilation. The documentation specifies that vents should be located near the peak of the roof, on the rear slope, and exposed to wind from all directions. When installing multiple vents, specific spacing guidelines apply based on the total length of the roof.
For roofs requiring two vents, each vent should be positioned one-quarter of the total roof length from each end of the house. As an example, on a 40-foot roof, each vent should be 10 feet from either end.
When installing three vents, the placement is adjusted. The two outer vents should be located one-sixth of the total roof length from each end of the house, while the third vent should be positioned in the center of the roof. For instance, on a 60-foot roof, the outer vents would be 10 feet from each end, and the center vent would be 30 feet from either end.
The documentation emphasizes the necessity of both intake and exhaust vents for a properly ventilated attic. The Whirlybird turbine functions as an exhaust vent, removing stale, moist air from the attic.
Features and Specifications
The Lomanco Whirlybird turbine vents are available in three sizes, each offering different airflow capabilities. The available sizes are 8”, 12”, and 14”. The 14” model, designated as the “Big Whirly,” is documented to move up to 37% more air compared to the 12” model. The 12” Whirlybird Turbine is offered in aluminum and galvanized finishes, as well as a tile roof design.
Key features common to all models include:
- Forever Guarantee (residential use only)
- Permanently lubricated ball bearings
- All-aluminum, rust-free construction
- Rigid spider-type structure
- Riveted connections
- 21 airfoil-curved vanes with rolled edges
- Exclusive vari-pitch base (adjusts to 12/12 roof pitch)
- Large flashing for simplified installation
- Wind resistance up to 110 m.p.h.
Maintenance Considerations
The design of the Whirlybird turbine incorporates features intended to minimize maintenance. Permanently lubricated upper and lower ball bearings eliminate the need for periodic lubrication. The all-aluminum construction provides resistance to corrosion, reducing the likelihood of rust-related issues. The robust construction, with riveted connections, is designed to withstand environmental stresses and maintain structural integrity over time.
Proper Ventilation Requirements
Effective attic ventilation requires a balanced system of both intake and exhaust vents. The Whirlybird turbine vent functions as an exhaust vent, facilitating the removal of stale, moist air from the attic space. The documentation highlights the importance of ensuring adequate intake ventilation to complement the exhaust provided by the turbine. Without sufficient intake ventilation, the turbine’s performance may be compromised.
Conclusion
The Lomanco Whirlybird turbine vents offer a potentially effective solution for attic ventilation, contributing to energy efficiency and moisture control. The vents are characterized by durable construction, a lifetime warranty for residential use, and a design focused on minimizing maintenance. Correct installation, adhering to the specified spacing guidelines based on roof length, is critical for optimal performance. The need for both intake and exhaust ventilation should be considered to ensure a balanced and effective attic ventilation system.