Ace Plumbing, Heating & Electrical Supplies Inc. is an official distributor of Navien tankless water heaters. Since 2006, Navien, Inc. has become one of the fastest growing companies in the home comfort sector in North America and is now a leader in condensing technology, providing condensing tankless water heaters, combi-boilers and boilers. Navien is available here at Ace Plumbing, Heating & Electrical Supplies Inc.