Ultra-Aire dehumidifiers are proudly manufactured in Madison, Wisconsin.
Our history dates back to 1977 when Therma-Stor, LLC was established in Madison, WI to apply advanced heat transfer technologies to residential and commercial markets. From this, the Ultra-Aire brand of high capacity, ENERGY STAR® rated dehumidifiers was born. Our company continues to focus on new product innovations that provide the ultimate in indoor air quality and comfort. We deliver unparalleled technical support and service to our customers while continuing to engineer and manufacture dehumidifiers in the USA that adhere to the highest quality standards.