temperature sensors; 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 systems for assessing and analyzing HVAC/R systems; computer software and downloadable software for environmental control and 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