Xiamen AIR-ERV Technology Co., Ltd was founded in 1996, specialized in R&D and manufacture heat recovery systems, attained the certificate of ISO9001:2008. We have 5100 square meter building area and completely self-contained facilities. Right now we not only have own brand "Zhong Hui", but also provide OEM services for many large transnational companies. We have been in the customers to establish a good reputation at home and abroad. Since we step into the fresh air energy saving field, we constantly perfect ourself and improve the products structure, so as to satisfied different clients request. Ventilation system: The Energy Recovery Ventilator,includes KRV and ERV series (Patent number: ZL 03 2 69262.5); Heat Recovery Ventilator; cabinet and base station ventilator; and heat exchanger wheels. Heat Exchanger: We have ABS framework total heat exchanger and Hydrophilic aluminium sensible heat exchanger; Which is divided into ERA, ...[More], ERC, ERD 4 series, they have different flow: crossflow, counter flow and counter&cross flow. Welcome customers of all over the world to contact with us.