Class 035
Advertising, Business & Retail Services
Sale of residential and commercial heating systems, residential and commercial air conditioning systems, cooling and refrigeration systems, fireplaces, humidifiers and air cleaners.
Class 036
Insurance & Financial Services
Financing of residential and commercial heating systems, residential and commercial air conditioning systems, cooling and refrigeration systems, fireplaces, humidifiers and air cleaners.
Class 037
Construction and Repair Services
Installation and servicing of residential and commercial heating systems, residential and commercial air conditioning systems, cooling and refrigeration systems, fireplaces, humidifiers and air cleaners; air duct cleaning.
Class 041
Education and Entertainment Services
HVAC (Heating, Ventilation and Air Conditioning) training.