Part 1 in this article series explored four zoning code strategies to accelerate heat pump adoption. Permit reform is the hot topic in climate policy: the time, expertise, and money required to navigate permits leads to increased costs, timelines, and even cancellations for projects including housing, transit, transmission lines, and renewable energy generation. But permitting processes don’t just affect big infrastructure. They can impact the experience of contractors and building owners attempting to install nonpolluting home appliances like heat pumps.