11
Heating, ventilating and air conditioning units; de-humidifiers; humidifiers; air filters for HVAC systems; housings for containing air filters for HVAC systems; water filters; water purification systems; UV lights; variable speed air controller for HVAC systems
36
Prepaid preventive maintenance service plans for HVAC systems, air cleaners, air filters, air purification equipment, water filtration systems and components, humidity control devices and UV lights
37
HVAC contractor services; installation, maintenance and repair of HVAC systems, components and apparatus; air duct cleaning services; installation, maintenance and repair of water purification and filtration systems
40
Air purification systems; mold and mildew removal and mildew proofing services; mold removal and mold prevention treatment for residential and commercial structures, furnishings and contents
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