9 Environmental sensors for detecting moisture, humidity, temperature, door and window position, and room occupancy; sensors for alerting users regarding moisture, humidity, temperature, door and window openings, and occupancy; leak detectors for plumbing, plumbing fixtures, sinks, appliances, Package Terminal Air Conditioner (PTAC) units, and Heating, Ventilation, and Air Conditioning (HVAC) units; network gateways consisting primarily of network routers, gateway routers in the nature of computer control hardware, Low Power Wide Area Network (LPWAN) routers, computer network bridges, and computer hardware, namely, wireless access point (WAP) devices; Long Range Wide Area Network (LoRaWAN) gateways consisting primarily of network routers, gateway routers in the nature of computer control hardware, Low Power Wide Area Network (LPWAN) routers, computer network bridges, and computer hardware, namely, wireless access point (WAP) devices