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Amersfoort, Fourt5high

  • Status Delivered
  • System typeWKO
  • Number of residences137
  • Collective energy generation system
  • Comfortable floor heating system
  • Ground energy for heat, cold and tap water heating

Welcome to this residents' page, here you will find specific information about Fourty5high in Amersfoort. 

WKO Sustainable Energy System

Fourtyhigh is a 45-metre-high residential tower at Eemplein in Amersfoort. All 137 flats are supplied with heat, cold and tap water heating by the WKO installation that Vaanster operates for a period of 30 years. Fourty5high was completed in 2011, at about the same time as the completion of the 'Het Meesterwerk' project.  Energy is stored in the soil wells and is used to heat and cool homes. All homes are equipped with comfortable underfloor heating and cooling. There are therefore no radiators in the homes and all homes have also been delivered gas-free.

  • Developer: AM & Heijmans Vastgoed  
  • Realisation: Heijmans bouw 
  • Architect Jochem Koster, design agency De Zwarte Hond Contact

Would you like to know more about one of the sustainable energy systems for your project? We would like to get in touch with you to discuss it together.

Ownership boundary

The ownership boundary indicates which components Vaanster operates, maintains and, if necessary, replaces. The other components are owned by the home owner, who is therefore also responsible for maintenance and possible replacement. For owner-occupied houses, you are the owner of the house yourself. For rented houses, the landlord is the owner of the house.

The image is a schematic representation of the installation in your home. The components in your home may be positioned differently.

Do you have any questions? Check the 'Frequently asked questions' on this website.

Frequently Asked Questions

Malfunction in heat supply

There is a malfunction in the heat supply. This is inconvenient, and you naturally want it resolved as soon as possible.

Who is responsible for the system in my home?

The answer to this question varies depending on the project and is indicated by means of a property boundary. You can look this up by entering the postcode on the homepage. Go to www.vaanster.nl and enter the postcode and house number at the top. You will then be redirected to the webpage corresponding to the entered postcode. There, you will find an image depicting the property boundary of all equipment in the home.

Disturbance in delivery of cold

You suspect a fault in the supply of cold. That is annoying and, of course, you want it resolved as quickly as possible.

Can I adjust my advance payment amount myself?

Yes, you can. In your personal account, you can adjust your advance payment amount under the section "my invoices." However, this adjustment is within a certain range because the advance payment amount must be sufficient to cover the fixed costs.

Click here to go to your personal account and log in to update the details. Click on "create account" if you are visiting the page for the first time.

Malfunction in the hot water supply

It is annoying when hot water does not come out of the tap. It is important to determine:

  • Whether there is reduced hot water or no hot water at all.
  • Whether there is no hot water coming from any faucet (also called tapping point) in the house or whether there is a single faucet from which there is no hot water.