Tjernlund is a leading manufacturer of ventilation and air movement products for residential and commercial applications. The company was founded in 1938 by Robert Tjernlund, who started out by repairing and installing heating systems in the Minneapolis area. Over the years, Tjernlund has grown into a global brand with a reputation for quality, innovation, and customer service.,Tjernlund's product line includes a wide range of ventilation and air movement solutions, including exhaust fans, air circulators, duct boosters, and more. The company's products are designed to improve indoor air quality, reduce energy costs, and enhance the comfort and safety of homes and businesses.,One of Tjernlund's most popular products is the In-Line Duct Booster Fan, which is designed to increase the airflow in HVAC systems. This product is ideal for homes and businesses with rooms that are difficult to heat or cool, such as basements, attics, and additions. The In-Line Duct Booster Fan is easy to install and can be used with both residential and commercial HVAC systems.,Another popular product from Tjernlund is the Xchanger Reversible Basement Ventilation Fan, which is designed to improve the air quality and reduce moisture in basements. This product is ideal for homes with damp or musty basements, as it helps to prevent mold and mildew growth. The Xchanger Reversible Basement Ventilation Fan is easy to install and can be used with both new and existing HVAC systems.,Tjernlund is also known for its innovative approach to product design and development. The company's engineers are constantly working to improve existing products and develop new solutions to meet the changing needs of customers. Tjernlund's commitment to innovation has led to the development of several patented products, including the Xchanger Basement Fan and the Duct Booster Fan.,In addition to its product line, Tjernlund is also known for its exceptional customer service. The company's customer service team is available to answer questions, provide technical support, and assist with product selection and installation. Tjernlund also offers a comprehensive warranty on all of its products, ensuring that customers can rely on their ventilation and air movement solutions for years to come.,Overall, Tjernlund is a trusted and respected brand in the ventilation and air movement industry. With a commitment to quality, innovation, and customer service, the company is well-positioned to continue its growth and success in the years to come.