High Efficiency - Gas Fired - Commercial - Flo-Eco | Armstrong International, Inc.® High Efficiency Hot Water Generation and Digital Control. Flo-Eco™ is a complete line of fully condensing, storage type water heaters, for use with either natural or LP gas. The innovative space-saving design, quality construction and flexible configuration options make Flo-Eco™ the smart choice for efficiency, life-cycle value and digital intelligence. Flo-eco.com~Site InfoWhoisTrace RouteRBL Check