HVAC contractor services; HVAC duct cleaning services; Installation of HVAC systems

Air conditioning vent sealing services; Air duct cleaning services; HVAC contractor services; Installation of building insulation

Chemical dehumidifying agents in the nature of desiccants and bags filled with desiccants; Chemical dehumidifying agents in the nature of desiccants and bags filled with desiccants; Chemical dehumidifying preparations being desiccants sold in pouches and containers; Chemical dehumidifying agents; all the foregoing for household use

Air cleaning units; Air filters for industrial installations; Air purification units; Air purifiers; Air purifying apparatus and machines; Air exchangers for cleaning and purifying air; Air filter machines and purifying units for industrial and commercial use in the nature of greenhouse installations, indoor agriculture, and food processing facilities

Air cleaning units; Air filters for industrial installations; Air purification units; Air purifiers; Air purifying apparatus and machines; Air exchangers for cleaning and purifying air; Air filter machines and purifying units for industrial and commercial use in the nature of greenhouse installations, indoor agriculture, and food processing facilities