DesignerPlumbing.com has been of the premier suppliers of Tankless Hot Water Heaters and accessories for over 12 years. We have been selling gas powered brands such as Takagi, Noritz and Paloma. Electric brands such as Stiebel Eltron, EEmax, Titan and American Heat. These units offer continuous hot water with adding large savings to your utility bill. We carry venting for indoor units to make us your one stop shop.