TEAM ZERO is proud to present this landmark report documenting six years of findings and observations from inventorying zero energy (ZE) residential design and construction activity in the US and Canada. The new report documents an increase in total Zero Energy projects to 27,965 units from the previous 22,146 units in 2018. These single and multifamily units are working to achieve Zero Energy performance in design, construction, and/or operation.

Herein we offer you—our contributors, allies, and fans—our most recent data along with a few nuggets of insight derived from this six-year—and counting! —research project.

Geography of Zero


Top Architects by Number of Projects

Architects Projects State/Province
ZeroEnergy Design 22 MA, NJ, CT, VT, RH, RI
Deltec Homes 11 NC, MN, AK, SC
Marken Design + Consulting 8 BC, NB
Green Hammer Design Build 7 OR, WA
Baxt Ingui Architects 6 NY
GVI International 6 TX
Lanefab Design/Build 6 BC
CK Architects 5 CT
Daniel Smith and Associates 5 CA
Pill-Maharam Architects 5 VT

Top Builders/Developers by Number of Units

Builders/Developers Units State/Province
Sifton Properties 2,001 ON
Corporation For Better Housing 1,281 CA
Mandalay Homes Inc. 1,192 AZ
Handel Architects 1,002 NY
Thrive Home Builders 841 CO
Affirmed Housing 797 CA
Danco Communities 762 CA
Carmel Partners – UC Davis 662 CA
Community Housing Works 649 CA
MRK Partners 614 CA

Percentage of Units by Energy Performance

Residential Zero Energy Pipeline