HVAC Site - Professional HVAC Contractors Forum banner
1-1 of 1 Results
  1. Residential HVAC Forum
    Hi, I have a C20 license (WARM-AIR HEATING, VENTILATING AND AIR-CONDITIONING) and I own a business thats doing just that. I now want to expand my business and have a secondery business which will deal with air duct cleaning. Can the other business work under the same license? If not, what are...
1-1 of 1 Results