Apparatus for regulating, controlling, signaling and monitoring for heating, ventilation and air conditioning technology, namely, computer hardware for use in building automation and control systems, electronic controllers for controlling building heating, ventilation, and air conditioning, temperature controllers, heating controllers, ventilation and air flow controllers, air conditioning system controllers, refrigeration controllers, electricity, gas, water and heat meters, temperature, heating, ventilation, refrigeration and air-conditioning regulators, computer hardware and software for the remote control of temperature, heating, ventilation, refrigeration, and air conditioning regulators, thermostats, automatic timers, automatic temperature monitors, air flow monitors, air quality monitors, data transmitters and receivers for transmitting data relating to status of heating, ventilating and air conditioning systems and for communication between systems, computer software for controlling building automation and control systems and for reviewing and analyzing data and preparing reports on energy consumption and energy costs, computer software for use in optimizing energy usage, namely, software for use in measuring, monitoring, and recording energy usage data and analyzing the data to optimize energy usage; apparatus for monitoring power supplies, namely, voltage and current meters, voltage stabilizing power supplies, apparatus for regulating and controlling electric current

Apparatus and installations for lighting, heating, steam generation, refrigeration, air-conditioning, ventilating and their parts, namely, lights for illuminating stairs, doors and other portions of buildings, heating apparatus and installations, namely, HVAC units and heating installations, solar collectors for heating, steam generators, refrigerating appliances and installations, air conditioning apparatus and installations, air cooling and ventilation apparatus and instruments, structural replacement parts for the foregoing