HeatWiz is a South Florida based manufacturer of tankless water heaters. The companies aims to build a name by offering high end products and competitive pricing. So far the company has introduced superior quality tankless heaters and a line of stainless steel grills and hardware that have been picked up by national retailers. Keep the HeatWiz brand in mind as you shop for your next grill or water heater replacement. While our products are popular in new construction projects, the tankless water heaters are a great way to increase space, beautify, and save.