Lange Winkelhaakstraat 26
2060 Antwerpen


Factor4 is a service provider specialised in the realization of comfort, energy efficiency and renewable energy in non-residential buildings, large housing projects and industrial plants. Our services include energy and comfort audits, cost-benefit analysis, engineering of energy saving measures and facilitation of EPC-projects ('energy performance contracting').

In the private market, we operate as an ESCO (Energy Service Company), realizing performance based energy efficiency projects. We work with a network of preferred partners, using an innovative approach called Plus+.

In the market of public buildings, we support public authorities in the preparation and the realisation of EPC-projects. Our task as EPC-facilitator can be compared to that of an architect.