Our production activity is certified under ISO 9001: 2008. This ensures that our products meet all the requirements for high quality. All components of the district heating substations also meet the requirements of EN ISO 9001: 2008.

Dalsia is also certified in accordance with European Directive 97/23/EC to work with pressure vessels.

Dalsia ensure full warranty and after-sales service of its products.

Dalsia district heating substations are hydraulically tested. Their control system, electrical installations and equipment are fully functional tested.