Hotjet

About

Founded in 2006, Hotjet is a private headquartered in Bolatice, Czech Republic with approximately 50-200 employees specializing in Energy Storage.

Hotjet is a Czech heat pump manufacturer founded in 2006, headquartered in Bolatice. The company designs, manufactures, and programs all heat pump components in-house, including chilling circuits, Siemens-based control systems, copper tube fabrication, sheet metal work, and coating. They produce air-to-water heat pumps (residential and commercial, up to COP 5.0, ErP A+++), ground-to-water systems for highest efficiency with ground or borehole collectors, and water-to-water systems for maximum performance. The product line includes invertorized models (ZETXe, ZETXp with natural refrigerant R290, ZETXi interior variant) and on/off units (ONE2). Accumulation tanks, hybrid modules, and complementary accessories are engineered specifically for their systems. The company offers 24/7 service support, remote diagnostics via web server, and retrofit programs. Export operations include OEM/ODM partnerships under local brand names across Germany, Austria, Switzerland, and other European markets. Maximum annual production reached 6,000 units with revenues approaching 500 million Czech crowns.

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