Apollo Automation is a smart home maker focused on local, privacy-first sensors built around ESPHome and Home Assistant. Its lineup includes mmWave presence and motion multisensors, air quality monitors tracking CO2, VOCs, temperature and humidity, plant and leak sensors, plus hubs and accessories. Apollo emphasizes open-source software and 3D-printable, customizable hardware with onboard buzzers and RGB LEDs, and runs with no cloud and no subscription. Devices are Made for ESPHome and Works Locally with Home Assistant certified, appealing to users who want affordable, fully local automation.
View Apollo AutomationAranet, a brand of SAF Tehnika in Latvia, makes wireless sensors best known for the Aranet4 CO2 monitor. Its devices use long-range, low-power radio to track CO2, temperature, humidity and pressure, with long battery life and an E-ink display. Aranet is widely used in offices, schools and homes for reliable, accurate CO2 monitoring.
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