Lack of affordable housing and energy burdens plague many people and communities. Cities throughout the United States are looking for solutions to create greater equity. Many of these cities are part of the over 3,600 US cities, states, and businesses that have pledged support for the goals established in the Paris Agreement in 2015. Improving efficiency and comfort in homes is a key part of meeting these goals because the residential sector accounts for 20 percent of US carbon emissions. But as housing prices continue to rise, cities might struggle to make housing more affordable while reducing emissions.