The environmental targets set for Danube House are based on best practice design using low energy principles coupled with minimized servicing complexity, with an aim to reach a low 'cost in use' development. This saves tenants  significant amount of energy  costs (45% - 50%) in comparison to a conventional office building.

The climate control system supplies 100% fresh air during full occupancy and is based on 3 to 4 air changes per hour. This is considerably more fresh air than conventional air conditioning systems where 1.4 air changes are used generally.