Benjamin Toornstra
Certified Passive House Designer

M.Sc Civil Engineer
ISL Engineering and Land Services Ltd.
#101, 621 – 10 Street
AB T1W 2A2 Canmore
Canada
Phone: 403.678.4211
Mobile Phone: 403.707.7301
BToornstra@islengineering.com
http://www.islengineering.com
Initial by Exam
Certificate valid from Jan. 19, 2018
Certificate valid until Jan. 19, 2023
Certificate valid until Jan. 19, 2023
The certificate only applies to this person.
Examined by Stich Consulting & Design Inc. at Calgary, Canada