Metal cages for HVAC units; Metal vent cover for HVAC ducts

AC variable frequency drives that are used to control small and medium-sized motors in applications such as manufacturing processes, HVAC and pumps

Boiler control instruments; Climate control systems consisting of digital thermostats for cooling equipment, and a programmable logic controller (PLC) with input and output features for temperature and humidity, which works with a remote digital read out controller; Home and office automation systems comprising wireless and wired controllers, controlled devices, and software for lighting, HVAC, security, safety and other home and office monitoring and control applications; Integrated boiler control systems consisting of electronic flame safeguard and modulating controls; Valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines

Cabinets used to control temperature and humidity for heating and proofing food goods; Economisers, namely, devices for warming feed water in heating boilers; Electric cabinets used to control temperature and humidity for heating and proofing food goods; Electric cabinets used to control temperature and humidity for heating and proofing; Electrical boilers; Fabric air dispersion ducts for distributing and dispensing air as part of a HVAC system; Flexible pipes being parts of basin plumbing installations; Flexible pipes being parts of bath plumbing installations; Flexible pipes being parts of shower plumbing installations; Flexible pipes being parts of sink plumbing installations; Furnace boilers; Geothermal-based HVAC units; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, solar panels, control panel, switches and electrical wire, all sold as a unit; Heating systems for residential and commercial buildings comprised of biomass burners, boilers, valves, pipes, manifolds, solar panels, control panels, switches and electrical wire, all sold as a unit; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, control panel switches, and electrical wire, all sold as a unit; Heating boilers; HVAC units; Industrial boilers; Manually-operated plumbing valves; Pipes for heating boilers; Plumbing fitting, namely, vacuum release safety valve for flow shutoff in pools and spas; Plumbing fittings, namely, aerators for faucets; Plumbing fittings, namely, baffles; Plumbing fittings, namely, bibbs; Plumbing fittings, namely, cocks; Plumbing fittings, namely, couplers; Plumbing fittings, namely, drains; Plumbing fittings, namely, faucet filters; Plumbing fittings, namely, fresh water fills for recreational vehicles; Plumbing fittings, namely, shower control valves; Plumbing fittings, namely, sink strainers; Plumbing fittings, namely, spouts; Plumbing fittings, namely, traps; Plumbing fittings, namely, tub control valves; Plumbing fittings, namely, valves; Plumbing fixtures, namely, shower mixers; Plumbing fixtures, namely, shower sprayers; Plumbing fixtures, namely, sink sprayers; Plumbing fixtures, namely, sink traps; Plumbing supplies, namely, sink strainers; Strainers for plumbing drains; Toilets for cats that are connected to household plumbing systems

Flexible plastic pipes for plumbing purposes; Flexible plumbing pipes of plastic; Gasket sealer for use in plumbing; Plastic conduit for plumbing use; Plastic hoses for plumbing use; Plastic plumbing hoses; Tubing consisting of plastic films for rehabilitating pipelines and plumbing systems; Watertight rings for plumbing pipes

Double boilers

Boiler cleaning and repair; Contractor services, namely, review of and remedial recommendations for building plumbing, electrical and mechanical systems for others; General contractor services, namely, plumbing, heating and air conditioning, carpentry, drywall, painting, electrical, building and framing contractor services; HVAC contractor services; Installation, repair and maintenance of condensing apparatus, steam condensers, radiators for motors and engines, air reheaters, boiler tubes; Mechanical contractor services; Plumbing; Plumbing and gas and water installation; Plumbing contractor services; Plumbing services; Repair or maintenance of boilers

Design of mechanical, electromechanical and optoelectronic apparatus and instruments; Inspection services, namely, detection of plumbing and roof leaks, termites, and electrical conditions in the inaccessible areas of an existing structure or home and/or wall(s) and void(s) by means of infrared imaging units; Mechanical engineering