9 Checking, monitoring, regulating, and measuring apparatus for heating, ventilating, air conditioning and cooling installations, namely, electric panels for control and checking temperature, humidity levels, and particle levels for checking air quality; testing apparatus for heating, incineration, ventilation, air-conditioning and cooling installations, namely, electric terminator testers, scanners, flame arrester apparatus, namely, fire extinguishers, sprinkler systems for fire protection; security and fire alarms; electrical and electronic apparatus and instruments for data acquisition and checking, namely, electronic monitors to collect operational data and settings, including, temperature data and settings from HVAC equipment to ensure proper functioning, computer hardware for collecting data from HVAC equipment; alarm systems and security systems, both for water damage and fire damage caused by fire, namely, electrical leak detection hardware with embedded operating system software, closed circuit tv systems for security and surveillance, namely, cameras, switchers, monitors, microphones and recorders; emergency evacuation and fire alert systems, namely, alarm control panels, smoke detectors, heat detectors, alarm pull stations, audible and visible notification appliances, strobes, sirens, bells, horns, and speakers, electric warning light systems; fire detection and alarm systems, namely, fire and smoke detectors, fire and smoke alarms