A mesh network of temperature probes which measures the internal temperatures of compost piles and wirelessly transmits the temperature data to a computer; Electronic monitors to collect operational data and settings, including temperature data and settings, from HVAC equipment to ensure proper functioning; Environmental monitoring system comprised of meters and sensors that measure pressure, humidity, temperature and includes alarm and reporting functions; Humidity sensor with integrated digital and analog output circuitry used in automotive, appliance and light industrial applications to sense both relative humidity and temperature environmental conditions; Measuring apparatus for temperature and humidity levels in gases and solid substances; Temperature sensors; Temperature sensors used in the medical field to measure temperature of medical solutions; Temperature transmitters; Thermometers, not for medical purposes; Wireless remote temperature and humidity monitors for building maintenance