Climate control systems consisting of digital thermostats, air conditioning, heating, ventilation and drying control devices; Computer hardware and recorded software systems for controlling building heating, ventilation, and air-conditioning systems; Computer hardware and recorded software systems for controlling building environment, access, and security systems; Computer hardware and recorded software systems for controlling lighting systems; Computer hardware and recorded software systems for controlling lawn, garden, and agricultural irrigation systems; Computer hardware and recorded software systems for controlling oil and gas processing systems; Computer hardware and recorded software systems for controlling power generation and electrical distribution systems; Computer hardware and recorded software systems for controlling factory manufacturing processes; Computer hardware and recorded software systems for controlling and monitoring building environmental systems, namely, heating, cooling, ventilation, lighting, energy use, humidity, or air quality; running a digital twin based simulation; Computer hardware and recorded software systems for artificial intelligence based control of building systems; Computer hardware and recorded software systems for physics based artificial intelligence to model and predict system behavior; Computer hardware and recorded software systems for increasing the reliability, redundancy, and range of a wireless mesh sensor network; Computer hardware and recorded software systems for sensing environment conditions, namely, air temperature, radiant temperature, atmospheric pressure, occupancy, indoor air quality, CO2 concentration, or light intensity; Computer hardware and recorded software systems for interfacing and communicating with other computing hardware devices over a data communications protocol; Computer hardware and recorded software systems for running a digital twin based simulation; Computer hardware, namely, wireless network extenders; Computer hardware, namely, wireless network repeaters; Computer networking hardware; Electric control devices for heating and energy management; Electric or electronic sensors for detecting environment conditions, namely, air temperature, radiant temperature, atmospheric pressure, occupancy, indoor air quality, CO2 concentration, or light intensity; Home and office automation systems comprised of computer hardware, wireless and wired controllers, and downloadable software for automating lighting, HVAC, security, safety and other home and office monitoring and control applications; Home and office automation systems comprised of computer hardware, wireless and wired controllers, and downloadable software for automating appliances, lighting, HVAC, security and other home and office electrical power monitoring and control applications; Mobile computing and operating platforms consisting of data transceivers, wireless networks and gateways for collection and management of data