Lennox Gas Water Heater
Designed for bigger households and heavy hot water usage, Lennox gas water heaters heat water quickly while keeping operating costs low. With efficient, low- or ultra-low‑NOx options and durable construction, they offer dependable performance and improved air quality.
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Comfort that meets strict air quality standards
Efficient and environmentally friendly, our low NOx unit meets federal emissions standards thanks to its low NOx burner. So you can feel good about your environment, inside and out.
The ultra-low NOx water heaters produce up to 65% lower NOx emissions than standard low-NOx water heaters, meeting the strictest air quality requirements of states like California.
Engineered for durability
A PermaClad™, heavy-gauge steel tank, combined with an aluminum anode rod and SediMotion™, protect from corrosion and sediment build-up to extend the life of your water heater.
Insulated for efficiency
Designed with an up to 2-inch-thick, environmentally-friendly foam insulation that maximizes heat retention, increasing energy efficiency and reducing fuel costs.
