Gas Tankless Water Heaters

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EnergyStar Condensing Water Heater. Ultra-Low NOx. Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.1 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 160k Max BTU/h.
$1,089.75
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EnergyStar Condensing Water Heater. Ultra Low NOx Emissions. Ratings: 8.4 GPM at 40° F Rise, 6.7 GPM at 50° F Rise, 5.6 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 180k Effective BTU/h.
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$1,394.89
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EnergyStar Non-Condensing Water Heater. Ultra Low Nox Emissions. Ratings: 8.4 GPM at 40° F Rise, 6.7 GPM at 50° F Rise, 5.6 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 199k Effective BTU/h.
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$1,372.71
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EnergyStar Non-Condensing Water Heater. Ultra Low Nox Emissions. Ratings: 8.4 GPM at 40° F Rise, 6.7 GPM at 50° F Rise, 5.6 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 199k Effective BTU/h.
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EnergyStar Condensing Water Heater. Ultra Low NOx Emissions. Ratings: 9.3 GPM at 40° F Rise, 7.4 GPM at 50° F Rise, 6.2 GPM at 60° F Rise, 5.3 GPM at 70° F Rise. 184k Effective BTU/h.
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$1,601.86
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EnergyStar Condensing Water Heater. Ultra-Low NOx Emissions. Ratings: 5.8 GPM at 40° F Rise, 3.9 GPM at 50° F Rise, 3.9 GPM at 60° F Rise, 3.3 GPM at 70° F Rise. 140k Effective BTU/h.
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$695.95
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EnergyStar Condensing Water Heater. Ultra-Low NOx Emissions. Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199k Effective BTU/h.
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$1,200.95
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EnergyStar Commercial Condensing Water Heater. Ultra Low NOx Emissions. Ratings: 9.3 GPM at 40& deg; F Rise, 7.4 GPM at 50° F Rise, 6.2 GPM at 60° F Rise, 5.3 GPM at 70° F Rise. 199k Effective BTU/h.
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$2,421.60
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EnergyStar Condensing Water Heater. Ultra-Low NOx Emissions. Ratings: 9.6 GPM at 40° F Rise, 7.6 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.3 GPM at 70° F Rise. 199k BTU/h.
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$1,936.00
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EnergyStar Non-Condensing Water Heater. Ultra Low Nox Emissions. Ratings: 8.4 GPM at 40° F Rise, 6.7 GPM at 50° F Rise, 5.6 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 199k Effective BTU/h.
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EnergyStar Water Heater. Ultra Low NOx Emissions. Ratings: 5.5 GPM at 40° F Rise, 4.4 GPM at 50° F Rise, 3.7 GPM at 60° F Rise, 3.2 GPM at 70° F Rise. 120k Effective BTU/h.
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$1,388.16
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EnergyStar Condensing Water Heater. Ultra-Low NOx. Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199k Max BTU/h.
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$1,269.00
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EnergyStar Water Heater. Ultra Low NOx Emissions. Ratings: 5.0 GPM at 40° F Rise, 3.9 GPM at 50° F Rise, 3.3 GPM at 60° F Rise, 2.8 GPM at 70° F Rise. 120k Effective BTU/h.
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$612.25
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EnergyStar Condensing Water Heater. Ultra Low NOx Emissions. Ratings: 5.8 GPM at 40° F Rise, 4.6 GPM at 50° F Rise, 3.8 GPM at 60° F Rise, 3.3 GPM at 70° F Rise. 109k Effective BTU/h.
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$1,000.05
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EnergyStar Condensing Water Heater. Ultra Low NOx Emissions. Ratings: 9.8 GPM at 40° F Rise, 7.8 GPM at 50° F Rise, 6.5 GPM at 60° F Rise, 5.6 GPM at 70° F Rise. 199.9k Effective BTU/h.
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$1,687.64
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EnergyStar Condensing Water Heater. Ultra-Low NOx. Ratings: 7.9 GPM at 40° F Rise, 6.2 GPM at 50° F Rise, 5.3 GPM at 60° F Rise, 4.5 GPM at 70° F Rise. 190k Max BTU/h.
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$910.95
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EnergyStar Condensing Water Heater. Ultra-Low NOx. Ratings: 8.3 GPM at 40° F Rise, 6.9 GPM at 50° F Rise, 5.5 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 199k Max BTU/h.
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$1,055.95
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EnergyStar Condensing Water Heater. Ultra-Low NOx Emissions. Ratings: 5.8 GPM at 40° F Rise, 3.9 GPM at 50° F Rise, 3.9 GPM at 60° F Rise, 3.3 GPM at 70° F Rise. 140k Effective BTU/h.
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$640.95
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EnergyStar Condensing Water Heater. Ultra Low NOx Emissions. Ratings: 7.1 GPM at 40° F Rise, 5.8 GPM at 50° F Rise, 4.9 GPM at 60° F Rise, 4.2 GPM at 70° F Rise. 157k Effective BTU/h.
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$1,230.83
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Commercial Water Heater. Low NOx Emissions. Ratings: GPM at 40° F Rise, GPM at 50° F Rise, GPM at 60° F Rise, 8.9 GPM at 70° F Rise. 304k Effective BTU/h.
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$4,887.00
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EnergyStar Commercial Condensing Water Heater. Ultra Low NOx Emissions. Ratings: 13.2 GPM at 40& deg; F Rise, 11.6 GPM at 50° F Rise, 9.7 GPM at 60° F Rise, 8.3 GPM at 70° F Rise. 300k Effective BTU/h.
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$4,969.03
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Wall Mounted, Condensing Boiler Water Heater Ultra Low NOx Emissions Ratings: 9.8 GPM at 40° F Rise, 7.8 GPM at 50° F Rise, 6.4 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199 k Effective BTU/h.
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$1,582.70
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EnergyStar Condensing Water Heater. Ultra-Low NOx. Ratings: 7.9 GPM at 40° F Rise, 6.2 GPM at 50° F Rise, 5.3 GPM at 60° F Rise, 4.5 GPM at 70° F Rise. 190k Max BTU/h.
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$885.95
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EnergyStar Water Heater. Ultra Low NOx Emissions. Ratings: 5.8 GPM at 40° F Rise, 4.6 GPM at 50° F Rise, 3.8 GPM at 60° F Rise, 3.3 GPM at 70° F Rise. 122k Effective BTU/h.
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$854.58
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Tools & Articles
Gas tankless water heaters can use either natural gas or liquid propane for their fuel source and be installed either indoors or outdoors. If you are looking for this type of versatility, shop our wide selection of gas tankless water heaters from the top brands and find the perfect match today.