United Rentals Inc. is expanding its HVAC network.

United Rentals Power & HVAC recently opened branches in Hampton, Va., Lake Charles, La., and Phoenix.

It now offers specialty services in 116 locations, officials said.

 "We are accelerating the growth of our footprint in response to customer demand for innovation and productivity in a wide range of specialized applications,” said senior Vice President Paul McDonnell, who oversees HVAC, operations and trench safety for the company. “The latest openings are part of a planned expansion for 2013 that will build on United Rentals' strategic position as the leading single-source provider of safe, efficient site solutions.”