The Waco, Texas-based Dwyer Group is a holding company for seven residential and commercial franchises, including Mr. Electric, Mr. Rooter, the Grounds Guys and HVAC sales service brand Air Serv.
An estimated 62.6 percent of new and existing houses sold between April and July were considered within reach of families earning the U.S. median annual wage of $63,900.
Average HVAC market sales increased 10.1 percent for distributor members of the Heating, Air-Conditioning and Refrigeration Distributors International, the group said.