Already more than 170 projects in operation and management


Do you have questions about our services? If you can’t find the answer on our frequently asked questions overview (FAQs can be found under Customer Service), our staff will be glad to help you!



Our customer service is ready for you from Monday to Friday from 8.30 am to 5.00 pm at 0900-VAANSTER (0900-82267837 / local rate). You can also send a message to customer

Vaanster Energie | Afdeling Klantenservice | Postbus 114
3720 AC Bilthoven


A failure in the supply of heat or cold is always annoying. Disruptions due to an interruption in the supply of heat and cold or due to a defect in the Vaanster installation can be reported 24 hours a day on 0900-VAANSTER (0900-82267837 / local rate).