List of Specific Industries
To the right, click on the [+] or [-] graphics beside an industry category to expand or collapse that list.
North American Industry Classification System (NAICS) codes for this industry
[ 238220 ] = Plumbing, Heating, and Air-Conditioning Contractors – Heating, ventilation and air-conditioning (HVAC) contractors
Usually the expression “heating and cooling” refers to companies skilled in Heating Ventilation, and Air Conditioning (HVAC) services. All of the skills described here are essential to a properly operating home.