Thermal Corporation, a division of Nailor International, Inc., has manufactured high-quality, custom air handling equipment since 1945. Thermal’s success and longevity stems from our dedication and willingness to serve the unique and special needs of our customers. Since its inception, Thermal has offered a complete line of air handling products. In addition, we regularly meet the special requirements of engineers and contractors, standing ready to design or modify our products to meet unique material, configuration or installation requirements. Thermal Corporation has the reputation of being a problem-solver for those in the air handling and heat transfer fields. Thermal Corporation products can be found all across the United States, from corporate headquarters buildings to manufacturing facilities, from comfort heating and cooling to the most intricate type of process heat transfer.