Team behind EF-CONCEPTS.com



The shareholders in EF-CONCEPTS.com are Yvonne van der Hulst, Adriaan Harthoorn and Chris Visscher.
“We reinforce our common features and add specific expertise and skills. And at the same time we are champions at both rationalising challenges and realising them”.

“Sharing is the key to the energy transition”
Co CEO EF-CONCEPTS.com
- Shareholder EF-CONCEPTS.com
- Visionary in the field of energy transition
- Multiple winner of energy transition awards
- Sparring partner for the Dutch government in the field of energy transition

“If the use of CO2 is linked to financial penalties, then it should be income-dependent”
Co CEO EF-CONCEPTS.com
- Shareholder EF-CONCEPTS.com
- Development of sustainable monumental real estate
- Experience from several levels in the automotive industry
- Introduced the first batch Nissan LEAFs in EU

“Almost everyone thought I was crazy, but I was determined to show that it is possible, to build houses that generate more energy than they need.”
CEO Van der Hulst Bouwbedrijf/ Field lab
CEO van der Hulst Bouwprojecten
BOARD member EF-CONCEPTS.com
- Shareholder EF-CONCEPTS.com
- Visionary in the field of energy transition in housing industry
- Multiple winner of energy transition awards
- Developer of energy generating sustainable homes
- Sparring partner for the Dutch government in the field of energy transition for the home building industry