Hoojer Tech

Hoojer Tech s.r.o. designs and builds electronic devices, firmware, data communication and web interfaces for controlling them. Its work covers embedded and IoT hardware, custom protocols, MQTT and WebSocket links, and over-the-air firmware updates.

The website names industrial telemetry, monitoring of photovoltaic plants and heating technologies, and energy-saving regulation as its focus areas. Its reference projects include a dashboard monitoring nine solar parks with 18 MWp of installed capacity and 896 inverters, and a cloud platform for remote supervision of boiler rooms. The company presents itself as a provider of custom development, and the website does not describe pricing or a revenue model in detail.

The company was founded in 2025 and is registered in Kořenov, Czech Republic, which is listed as its only location. The website states 15+ years of independent embedded and web development practice. It is published in Czech and lists no other offices or markets beyond the Czech Republic.

Product: Custom embedded firmware and hardware, IoT data links and web visualization, plus the VisualReg energy monitoring system and photovoltaic plant monitoring.