Modernization of a ventilation system from 1996 by 18 highly efficient ZAcube fan systems. Nine fans on the supply air side and nine fans on the exhaust side as a fan formation in parallel operation.
- Annual cost savings of €10,577 per year (€0.15 per kWh)
- Annual savings of 70,512 kWh
- Reduction of power consumption from 78 kW to 55 kW - reduction by 29%
- Amortization of newly installed fans: 1.7 years
- Amortization of the entire renovation measure: 2.7 years (including installation work)
- Co² saving: 40.1 tonnes/year
- Volume flow reserve 12%
- Guaranteed redundancy (two fans) without volume flow loss
- Fans can be easily brought in through the staircase without tools, etc.
- Very easy handling, easy installation (a ZAcube unit only weighs 53 kg)
- Stepless controllability of installed ECblue fans
- Reduced operating noise - no silencers required
- Significantly improved flow conditions
- Fast refurbishment