ThailandAirGradient builds open-source indoor and outdoor air quality monitors that track PM2.5, CO2, temperature, humidity and other pollutants. The company is known for its open hardware and firmware, letting users build, repair and integrate the monitors with platforms like Home Assistant and its own dashboard. AirGradient appeals to people who want transparent, data-driven air quality monitoring rather than a closed black box.
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CanadaEcobee is a Canadian company best known for its smart thermostats with built-in room sensors and voice control. Beyond thermostats, Ecobee makes smart cameras, sensors and a security service, all managed through one app. Ecobee thermostats support Alexa, Google Home, Apple HomeKit and Matter, and are popular for energy savings and comfort.
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Air Quality MonitorsEcobeeSmart Thermostat Premium
4.5(859)27% OFF$204.97$149.63
CamerasEcobeeSmartCamera
4.0(1,324)9% OFF$99.99$90.67
DoorbellsEcobeeSmart Doorbell Camera
4.1(1,069)31% OFF$159.99$109.99
Door & Window SensorsEcobeeSmartSensor for Doors & Windows
4.2(1,285)$59.89
Temperature & Humidity SensorsEcobeeSmartSensor
4.6(8,757)25% OFF$99.99$74.99
ThermostatsEcobeeSmart Thermostat Enhanced
4.4(3,715)18% OFF$199.99$164.99
ThermostatsEcobeeSmart Thermostat Essential
4.2(1,892)21% OFF$139.99$109.99
ThermostatsEcobeeSmart Thermostat Premium
4.5(859)27% OFF$204.97$149.63