Defro Air is a systematic approach to heat recovery, where the greatest importance is put to customer satisfaction. From the first contact with the customer, consultation on the construction site, assistance in assembly to start-up and adjustment of the system. Installation in Defro is supervised from selection of the equipment to its operation. Wide range of very high quality Polish recuperative heat exchangers and products from air distribution series will perfectly meet the expectations even of the most demanding customers. Our offer includes equipment with horizontal connector - H series, and vertical connector - V series.