Wika Water Heater is the first domestic brands in Indonesia as water heaters that use solar power and air conditioning. The Wika brand under the auspices of PT Wijaya Karya Industri Energi has long been known to be a company that continues to develop innovations in the world of technology to meet the needs of the community. Some ofthe innovations are water heating technology from sunlight, using technology from AC, there is also a heat pump water heater and an electric water heater.