Natural Gas Tankless Water Heaters

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Natural gas tankless water heaters are compact, can supply hot water as long as needed, and require less energy to run than other systems. Depending on the model, natural gas tankless water heaters are also available as indoor or outdoor units, offering the homeowner more flexibility.
Takagi - 15% Off Select Tankless Water Heaters
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Model Number NR98-OD-NG is the Number 1 Seller
Learn More About Noritz NR98-OD-NG
$1,239.00
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Model Number RTG-95XLN is the Number 2 Seller
Learn More About Rheem Tankless RTG-95XLN
Rheem Tankless
EnergyStar Non-Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD rule 1146.2 Compliant). Ratings: 8.5 GPM at 40 F Rise, 6.6 GPM at 50 F Rise, 5.5 GPM at 60 F Rise, 4.7 GPM at 70 F Rise.
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$959.00
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Model Number RTG-84XLN is the Number 3 Seller
Learn More About Rheem Tankless RTG-84XLN
Rheem Tankless
EnergyStar Non-Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD rule 1146.2 Compliant). Ratings: 7.8 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.
6% Buy This
$799.00
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Model Number NR98-SV-NG is the Number 4 Seller
Learn More About Noritz NR98-SV-NG
EnergyStar Non-Condensing Water Heater. Ultra Low Nox Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 8.4 GPM at 40
5% Buy This
$1,239.00
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Model Number TK-310U-E-N is the Number 5 Seller
Learn More About Takagi TK-310U-E-N
$656.10
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$729.00
SAVE $72.90
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Learn More About Takagi T-H3-DV-N
$944.10
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$1,049.00
SAVE $104.90
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Learn More About Takagi T-H3M-DV-N
$629.10
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$699.00
SAVE $69.90
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Learn More About Rheem Tankless RTG-84DVLN
Rheem Tankless
EnergyStar Non-Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD rule 1146.2 Compliant). Ratings: 7.8 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.
3% Buy This
$719.10
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$799.00
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Learn More About Takagi TK-110U-E-N
$494.10
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$549.00
SAVE $54.90
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Learn More About Rheem Tankless RTGH-95DVLN
Rheem Tankless
EnergyStar Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD rule 1146.2 Compliant). Ratings: 9.5 GPM at 40 F Rise, 7.7 GPM at 50 F Rise, 6.4 GPM at 60 F Rise, 5.5 GPM at 70 F Rise.
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$1,034.10
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$1,149.00
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Learn More About Rinnai V65EN
$680.40
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Learn More About Noritz NRC98-OD-NG
$1,289.00
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Learn More About Takagi TK-110U-I-N
Takagi
Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 5.8 GPM at 40° F Rise, 4.5 GPM at 50° F Rise, 3.9 GPM at 60° F Rise, 3.3 GPM at 70° F Rise. 115k Effective BTU/h.
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$539.10
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$599.00
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Learn More About Rheem Tankless RTG-70XLN
Rheem Tankless
EnergyStar Non-Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD rule 1146.2 Compliant). Ratings: 6.5 GPM at 40 F Rise, 5.4 GPM at 50 F Rise, 4.5 GPM at 60 F Rise, 3.9 GPM at 70 F Rise.
2% Buy This
$699.00
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Learn More About Takagi TK-310U-I-N
Takagi
Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). 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. 156k Effective BTU/h.
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$729.00
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Learn More About Noritz NR662-OD-NG
EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 5.8 GPM at 40
2% Buy This
$775.00
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Learn More About Noritz NRC111-OD-NG
EnergyStar Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 9.3 GPM at 40
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$1,499.00
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Learn More About Rheem Tankless RTGH-84DVLN
Rheem Tankless
EnergyStar Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD rule 1146.2 Compliant). Ratings: 7.5 GPM at 40 F Rise, 6 GPM at 50 F Rise, 5 GPM at 60 F Rise, 4.3 GPM at 70 F Rise.
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$836.10
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$929.00
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Learn More About Noritz NR98-DVC-NG
EnergyStar Non-Condensing Water Heater. Ultra Low Nox Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 8.4 GPM at 40
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$1,239.00
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Learn More About Rinnai RL94EN
$1,371.00
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Learn More About Noritz NRC111-DV-NG
EnergyStar Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). 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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$1,499.00
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Learn More About Rheem Tankless RTG-70DVLN
Rheem Tankless
EnergyStar Non-Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD rule 1146.2 Compliant). Ratings: 6.5 GPM at 40 F Rise, 5.4 GPM at 50 F Rise, 4.5 GPM at 60 F Rise, 3.9 GPM at 70 F Rise.
1% Buy This
$629.10
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$699.00
SAVE $69.90
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Learn More About Noritz NRC98-DV-NG
$1,289.00
Only 4 In-Stock
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Learn More About Noritz EZ111DV-NG
EnergyStar Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 9.8 GPM at 40
1% Buy This
$1,585.00
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Flow Rate at 40F Rise
Flow Rate at 50F Rise
Flow Rate at 60F Rise
Flow Rate at 70F Rise