The truth is, the path to increasing efficiency in buildings means doing things differently than we used to and Terrell’s been at the vanguard here in Ontario. While juggling family life and a vibrant architectural practice, she also played a pivotal role in getting Passive Buildings Canada going. Terrell knows that leading means being creative and investing in both new construction practices and technologies.

When BGG went to do 3rd party air tightness testing on her latest near Passive House – Deep Energy Retrofit – we found a lot of great goodies in this project, but I especially wanted to share a picture of Terrell’s most prized possession; her Latento phase change water tank:

Terrell’s phase changing tank

If you don’t have time for the video, basically, the tank is full of wax and because of “Phase change” of wax transitioning form solid to liquid, you can store more heat into the material.

This tank gets the coveted ‘Blue Angel’ stamp of approval: