While we were officially founded in 2002, we have had 15 years experience in our field. Our knowledgeable researchers and engineers design and develop air curtain and air source heat pump water heaters through the use of high performance production equipment, such as digital punching machines. By using high quality materials, we ensure that our air source heat pump water heater, air curtain, and ventilation fan meet our high standards. Customers can be assured that our products are CCC, CE, RoHS and UL certified, and Theodoor is also ISO9001:2000 certified.

We are located in Guangzhou city, a highly populated area with easy access to raw materials and component suppliers. This reduces our labor and material acquisition costs without compromising quality. International airports are easily accessible, which reduces clients' international shipping charges, makes visiting our factory easy, and allows us to deliver products quickly. Thus, our air source heat pump water heater and air curtain as well as other products are used widely in America, Canada, Brazil, Australia, Thailand, Russia, Germany, Italy, and Egypt.

Theodoor also offers quick customer service and technical support. We can design heat pump water heater and ventilation fan products according to customers' requirements, and we include free components in the shipment of your order. We can also recommend the most suitable air curtains, heat pump water heater and cabinet fan products to clients according to their specific needs. Equipment installation and usage training services are also available.