Heating services, namely, maintenance, installation, and repair of heating systems; Cooling services, namely, maintenance, installation, and repair of air conditioning systems; Air conditioning contractor services; HVAC services, namely, maintenance, installation, and repair of HVAC systems; Heating contractor services; Cooling contractor services, namely, air conditioning contractor services; HVAC contractor services; Heating apparatus installation advisory services; Cooling equipment in the nature of air conditioning apparatus installation advisory services; HVAC system installation advisory services; Heating equipment maintenance advisory services; Cooling equipment in the nature of air conditioning apparatus maintenance advisory services; HVAC system maintenance advisory services; Heating system repair advisory services; Cooling equipment in the nature of air conditioning apparatus repair advisory services; HVAC systems repair advisory services; General contractor services, namely, heating and air conditioning contractor services; Maintenance of heating systems; Maintenance of cooling systems; Maintenance of HVAC systems; Maintenance of heating installations; Maintenance of cooling installations in the nature of air conditioning apparatus; Maintenance of HVAC installations; Mechanical contractor services; Home maintenance and repair services; Consultancy services related to heating, cooling and HVAC systems, installations, maintenance and repair; Construction project management services in the field of heating, cooling and HVAC systems; Providing information in the field of heating systems and equipment; Providing information in the field of cooling systems and equipment; Providing information in the field of HVAC systems; Providing information in the field of air quality systems; Providing information in the field of geothermal systems; Providing information in the field of in-floor heating systems; HVAC contracting services, namely, air duct cleaning services; HVAC contracting services, namely, air duct installation, maintenance, repair and replacement services; HVAC contracting services, namely, installation, maintenance, repair and replacement of indoor air quality equipment including humidifiers, dehumidifiers, filtering systems and filters, air cleaners, UV light systems; Furnace installation, maintenance and repair services; Boiler installation, maintenance and repair services; Water heater installation, maintenance and repair services; Mini-split installation, maintenance and repair services; Air conditioning installation, maintenance and repair services; Air purifier installation, maintenance and repair services; Geothermal installation, maintenance and repair services; In-floor heat installation, maintenance and repair services