Heat-recovery system Eco-Fresh 07The Eco Fresh 07 heat recovery system by MMotors is a powerful yet compact solution engineered to deliver fresh, healthy indoor air while maximizing energy efficiency. Its reversible ceramic heat exchanger captures and reuses warmth from outgoing air, significantly reducing heat loss during ventilation cycles. The system features a five speed reversible fan silent at night (30 m h) and boosting to 120 m h during the day, while an onboard hydrostat