Gustave A. Larson keeps the West cool and the Midwest warm. Through some 53 locations in about 20 US states from Utah to Indiana, the company distributes heating, ventilation, air-conditioning, and refrigeration equipment and accessories to retailers and contractors. Gustave A. Larson carries more than 15,000 products from more than 450 manufacturers including American Standard, Honeywell, Trane, Johnson Controls, and Modine. Services include HVAC system design, marketing support, installation, and training programs. Its Larson Environmental unit offers eco-friendly products and services. The founding Larson family continues to own the company.