Supporters are optimistic that the City Council will adopt a 2021 code expected to increase efficiency by 10%.
The Home Energy Squad is using surveys, photos and live video to help homeowners identify efficiency improvements.
A recent report analyzed links between emissions, poverty and housing stock in dozens of cities, including Minneapolis.
Sidelined by virus fears and shelter-in-place orders, efficiency contractors hope to bounce back after the crisis.
The legislation is backed by state environmental groups and regulators but opposed by the real estate lobby.