Petits Appareils Ménagers / Chauffage - Refroidissement Demandes

How can I found with WhatsApp companies that manufacture or make the following products HRU

we are looking mvhr units

We need Heat Recovery with the following dimensions 500 * 500 * 400 mm for AHU-01, Qty. = 3 for AHU-02, Qty = 2 for AHU-03, Qty = 2

We are energy management company working for the last 14 year in energy study and implementing energy conservation measures. The outcomes of more 100 energy Audit conducted by our company showed that less than 2% of clients have exhaust heat recovery system either economizer or air preheater

We are looking for about 30 units of heat recovery systems with HEPA filter and 1000 m3/h air flow capacity for our building. If you have any, please send me your catalogue an the price list.