safety sensors, namely, air motion sensors; humidity sensors; software for remotely detecting conditions of and malfunctions in heating, ventilating, air conditioning and refrigeration (HVAC/R) systems; diagnostic computer hardware; electronic sensor pack modules for collecting temperature, current, voltage, and HVAC/R performance system data; diagnostic apparatus, namely, programmable logic controllers for collecting and communicating HVAC/R system performance and health data; diagnostic apparatus, namely, electronic control apparatus for assessing and analyzing HVAC/R systems; computer software and downloadable software for environmental control, namely, monitoring of heating, ventilation, air conditioning and refrigeration; computer software and downloadable software for use in controlling, configuring, monitoring, diagnosing, adjusting, maintaining and repairing equipment, namely, refrigeration systems and heating, ventilation, air conditioning and refrigeration (HVAC/R) systems; software for use in controlling and communicating diagnostic information for residential and commercial heating, ventilation, air conditioning and refrigeration (HVAC/R) applications, pump systems, piping, structural, plumbing, electrical systems, shop drawings, manufacturing drawings, design specifications, fan coils, unit heaters, force flow heaters, radiant panels, filtration, mission critical cooling, building automation system (BAS), BACnet, ModBus, Smart building integration; Installation services and maintenance services of air handling units, HVAC equipment, roof top units, air curtains, air doors, air blades, air barriers, fan heaters, fans, cooling towers, radiators, accessories for ventilation systems, accessories for HVAC systems, heat pumps, geothermal systems, heat pump systems, hydronic systems, coils, DX systems, electric heat, heat pipe, plate heat exchanges, run-around coil loops, fiberglass insulated panels, foam injected panels, steel bases and casing, Fan array, blowers, fans, motors, knock-down/split units, marine lights, variable frequency drives, humidification/steam systems, dehumidification systems, ultra violet lighting, natural gas fired burners and associated systems, desiccant wheels, heat wheels, heat exchange systems, fin tubing, wall fin, and cabinet enclosures, fan coils, unit heaters, HVAC doors, dampers, filtration systems, hepa and carbon systems, building controls systems, predictive failure detection systems, temperature sensors; Shipping of air handling units, HVAC equipment, roof top units, air curtains, air doors, air blades, air barriers, fan heaters, fans, cooling towers, radiators, accessories for ventilation systems, accessories for HVAC systems, heat pumps, geothermal systems, heat pump systems, hydronic systems, coils, DX systems, electric heat, heat pipe, plate heat exchanges, run-around coil loops, fiberglass insulated panels, foam injected panels, steel bases and casing, Fan array, blowers, fans, motors, knock-down/split units, marine lights, variable frequency drives, humidification/steam systems, dehumidification systems, ultra violet lighting, natural gas fired burners and associated systems, desiccant wheels, heat wheels, heat exchange systems, fin tubing, wall fin, and cabinet enclosures, fan coils, unit heaters, HVAC doors, dampers, filtration systems, hepa and carbon systems, building controls systems, predictive failure detection systems, temperature sensors; Manufacturing services and assembly services of air handling units, HVAC equipment, roof top units, air curtains, air doors, air blades, air barriers, fan heaters, fans, cooling towers, radiators, accessories for ventilation systems, accessories for HVAC systems, heat pumps, geothermal systems, heat pump systems, hydronic systems, coils, DX systems, electric heat, heat pipe, plate heat exchanges, run-around coil loops, fiberglass insulated panels, foam injected panels, steel bases and casing, Fan array, blowers, fans, motors, knock-down/split units, marine lights, variable frequency drives, humidification/steam systems, dehumidification systems, ultra violet lighting, natural gas fired burners and associated systems, desiccant wheels, heat wheels, heat exchange systems, fin tubing, wall fin, and cabinet enclosures, fan coils, unit heaters, HVAC doors, dampers, filtration systems, hepa and carbon systems, building controls systems, predictive failure detection systems, temperature sensors; Design services, engineering services and testing services of air handling units, HVAC equipment, roof top units, air curtains, air doors, air blades, air barriers, fan heaters, fans, cooling towers, radiators, accessories for ventilation systems, accessories for HVAC systems, heat pumps, geothermal systems, heat pump systems, hydronic systems, coils, DX systems, electric heat, heat pipe, plate heat exchanges, run-around coil loops, fiberglass insulated panels, foam injected panels, steel bases and casing, Fan array, blowers, fans, motors, knock-down/split units, marine lights, variable frequency drives, humidification/steam systems, dehumidification systems, ultra violet lighting, natural gas fired burners and associated systems, desiccant wheels, heat wheels, heat exchange systems, fin tubing, wall fin, and cabinet enclosures, fan coils, unit heaters, HVAC doors, dampers, filtration systems, hepa and carbon systems, building controls systems, predictive failure detection systems, temperature sensors; Sales of air handling units, HVAC equipment, roof top units, air curtains, air doors, air blades, air barriers, fan heaters, fans, cooling towers, radiators, accessories for ventilation systems, accessories for HVAC systems, heat pumps, geothermal systems, heat pump systems, hydronic systems, coils, DX systems, electric heat, heat pipe, plate heat exchanges, run-around coil loops, fiberglass insulated panels, foam injected panels, steel bases and casing, Fan array, blowers, fans, motors, knock-down/split units, marine lights, variable frequency drives, humidification/steam systems, dehumidification systems, ultra violet lighting, natural gas fired burners and associated systems, desiccant wheels, heat wheels, heat exchange systems, fin tubing, wall fin, and cabinet enclosures, fan coils, unit heaters, HVAC doors, dampers, filtration systems, hepa and carbon systems, building controls systems, predictive failure detection systems, temperature sensors