She’s directing a program that gets heat pumps into mobile homes — one of the first in the United States. Hutchinson has one in her own mobile home, installed after her propane furnace died ...

Today, Heseltine is a heat pump evangelist. The 37-year-old mobile home she lives in with her husband, Sam, is more comfortable in the winter, cooler in the summer, and less expensive to heat.

The pioneering heat pump facility uses renewable energy, extracting heat from seawater and nearby wind farms to provide heating to 25,000 homes. “The new heat pump plant will supply ...