Lomanco has been producing quality ventilation products since 1946. Two factors have remained the same throughout the years. They are known as "The Lomanco Balance", free movement of air and weather protection. Lomanco takes a great deal of pride in the production of their products. They are the necessity to be effective in ventilating homes everywhere. Product design does make a difference in quality ventilation products. Lomanco's commitment to providing these quality products, combined with experienced personnel, is the reason Lomanco is your best choice for ventilation.