Average HVAC market sales increased 10.1 percent for distributor members of the Heating, Air-Conditioning and Refrigeration Distributors International, the group said.  

The July figures follow a 5.9 percent boost for June.

 With this morning’s announcement that the U.S. economy added 162,000 jobs last month, one group is calling for infrastructure spending to further boost the economy.  

The index, which has been compiled by the Air Conditioning Contractors of America since 2010, surveys members on short-term prospects for growth.

 It is the seventh straight month of growth for the NAHB-First American Improving Markets Index. Fifteen metro areas have been added to the list since February.