Books By Steff Bell, Ingo (Passive House consultant and certifier, Sweden) Theoboldt - Author

Steff Bell is Founder and Director of Future Komfort, a consultancy focusing on Passive House and Low Energy buildings based in Edinburgh, UK. He is a certified Passive House designer, researcher and developer, as well as writer and lecturer.  Ingo Theoboldt is a Certified Passive House consultant and certifier based in Tvarred, Sweden. He has worked on over 150 individual projects across Europe.