Goldsun Aqua Water Proof Electric Infrared Heater 3000W. The Aqua series have custom designed acute angle reflectors to carefully restrict the heat spread safely. Thanks to its aluminium and stainless-steel components, no matter how harsh the weather conditions are, the Aqua series does not show even the slightest wear and tear. Its weather resistance makes it perfect for the seaside, ski resorts and mountain chalets.