All Toyotomi products are manufactured in its state-of-the-art plants in Japan. The company has been in business since 1948. Toyotomi is one of the world's largest producers of heating products and a leading producer of portable air conditioners. Over 10 million Toyotomi heaters and air conditioners have been sold in the U.S. Our products are UL and CSA listed, in addition to meeting International Quality Control Standards IS09002 and ISO14001. Winner of the U.S. National Safety Council Award for Achievement in Product Safety, Toyotomi products are designed and built for Safety, efficiency and dependability and are recognized worldwide for their superior quality.