GRAT is a global leader in premium air-to-water heat pumps and intelligent automation systems, serving residential, commercial, public, and leisure projects worldwide. Our solutions combine high energy efficiency, reliable performance in extreme climates, whisper-quiet operation, and intuitive control. With service centers in Europe, the Middle East, North America, and Asia Pacific, GRAT provides end-to-end support from project design to operation, ensuring client satisfaction at every stage. Certified by CE, CB, TUV, and FCC, our products are trusted by partners across global markets. Committed to sustainability and continuous innovation, GRAT consistently delivers advanced heating and cooling solutions that set new standards of excellence.