CNBC May 9, 2019
There are now over 2 million solar photovoltaic (PV) installations in the U.S., according to new figures. The 2 million mark comes three years after installations hit 1 million, a figure it took the industry 40 years to reach.
The best heat pump brands
Wondering which heat pump is right for your home? Our guide compares leading brands to help you cut energy bills, stay comfortable, and save year-round.
