A.O. Smith is growing its line of residential gas tankless water heaters. The company’s 120k heater is Energy Star–certified, gas-condensing, 120,000-Btu, and measures less than 2 cubic feet. It has an Energy Factor of 0.93. The unit is available in an indoor and outdoor model, and each features accessible temperatures controls. A.O. Smith. www.hotwater.com
A.O. Smith’s Space Aware Tankless Water Heater

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