Thermostats; electronic controls for heating, ventilation, air conditioning and refrigeration systems, known as HVAC/R systems; temperature sensors; safety sensors, namely, carbon monoxide sensors; air motion sensors; electric or electronic humidity sensors; electronic control modules for heating, ventilation, air conditioning and refrigeration systems, known as HVAC/R systems; software for remotely controlling temperatures in heating, ventilating, air conditioning and refrigeration systems, known as HVAC/R systems; software for remotely detecting conditions of and malfunctions in heating, ventilating, air conditioning and refrigeration systems, known as HVAC/R systems; diagnostic computer hardware; electronic sensor pack modules for collecting temperature, current, voltage, and HVAC/R performance system data; diagnostic apparatus, namely, electronic modules for collecting and communicating HVAC/R system performance and health data; diagnostic apparatus, namely, electronic modules 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/or repairing equipment, namely, refrigeration systems and heating, ventilation, air conditioning and refrigeration systems, known as HVAC/R systems; software for residential and commercial heating, ventilation, air conditioning and refrigeration, or HVAC/R, applications