Apex also donated use of a 350,000-square-foot warehouse for two months to nonprofit Trusted World to distribute Harvey relief donations.

Taco owner and executive Chairman John Hazen White Jr. called on the HVAC industry to help residents in the hard-hit regions.

Under its “Operation Returning Comfort” program, homeowners will be eligible for what Goodman calls “substantial” discounts on new air conditioners and furnaces.

The units are courtesy of Friedrich Air Conditioning Co., and are being shipped to the city’s volunteer fire department, where they will be used cool shelters that are packed with storm victims who have lost their homes.

The Plumbing-Heating-Cooling Contractors National Association has activated the group’s disaster relief fund, providing money to help members whose plumbing or HVAC construction businesses have been impacted by the historic rains and flooding.