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$891.99
Rheem RRTGH84DVLN3701171 Rheem RTGH Series 8.4 GPM 157,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Steel
Amazon.com
129
Free shipping
$891.99
Rheem RRTGH84DVLN3701171 Rheem RTGH Series 8.4 GPM 157,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Steel
Amazon.com
$8,129.93
Lochinvar Copper Fin CWN Series - Commercial Natural Gas Water Heater - 3 Year Warranty
Oswald Supply Co
$8,129.93
Lochinvar Copper Fin CWN Series - Commercial Natural Gas Water Heater - 3 Year Warranty
Oswald Supply Co
$12,792.00
Lochinvar Wall Mount Knight Boiler WHB Series - Natural Gas Water Boiler 399 Mbtu
Oswald Supply Co
$12,792.00
Lochinvar Wall Mount Knight Boiler WHB Series - Natural Gas Water Boiler 399 Mbtu
Oswald Supply Co
$950.23
Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM
Amazon.com
Free shipping
$950.23
Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM
Amazon.com
$867.23
Rheem RTG-84XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 8.4 GPM
Amazon.com
2
Free shipping
$867.23
Rheem RTG-84XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 8.4 GPM
Amazon.com
$799.99
Reliance 40 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
$799.99
Reliance 40 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
$669.00
A.O. Smith Signature 100 50-Gallons Tall 6-Year Warranty 40000-BTU Natural Gas Water Heater | G6N-T5040NVR
Lowe's
1K+
$669.00
A.O. Smith Signature 100 50-Gallons Tall 6-Year Warranty 40000-BTU Natural Gas Water Heater | G6N-T5040NVR
Lowe's
$1,244.00
NEW Rinnai rx160in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 9 GPM, 160,000 BTU
Amazon.com
4
Free shipping
$1,244.00
NEW Rinnai rx160in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 9 GPM, 160,000 BTU
Amazon.com
$6,540.25
Lochinvar Copper Fin CBN Series - Commercial Natural Gas Water Boiler 315 Mbtu
Oswald Supply Co
$6,540.25
Lochinvar Copper Fin CBN Series - Commercial Natural Gas Water Boiler 315 Mbtu
Oswald Supply Co
$1,259.99
Reliance 50 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
$1,259.99
Reliance 50 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
$1,997.58
NEW Rinnai rxp199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 11.1 GPM, 199,000 BTU
Amazon.com
129
Free shipping
$1,997.58
NEW Rinnai rxp199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 11.1 GPM, 199,000 BTU
Amazon.com
$1,179.99
Reliance 40 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
$1,179.99
Reliance 40 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
$699.00
A.O. Smith Signature 100 40-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-T4040NVR
Lowe's
$699.00
A.O. Smith Signature 100 40-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-T4040NVR
Lowe's
$1,693.49
Rinnai cx199in Condensing Smart Sense Commercial Natural Gas Or Propane Tankless Water Heater, 199,000 BTU, 11.1 GPM
Amazon.com
10
Free shipping
$1,693.49
Rinnai cx199in Condensing Smart Sense Commercial Natural Gas Or Propane Tankless Water Heater, 199,000 BTU, 11.1 GPM
Amazon.com
$709.00
A.O. Smith Signature 100 40-Gallons Short 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-S4040NVR
Lowe's
$709.00
A.O. Smith Signature 100 40-Gallons Short 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-S4040NVR
Lowe's
$1,202.67
Rinnai re199in Non-Condensing Natural Gas Tankless Water Heater, Up To 9.8 GPM, Indoor Installation, 199,000 BTU
Amazon.com
57
Free shipping
$1,202.67
Rinnai re199in Non-Condensing Natural Gas Tankless Water Heater, Up To 9.8 GPM, Indoor Installation, 199,000 BTU
Amazon.com
$1,259.99
Reliance 6.6 Gal 160000 BTU Natural Gas Tankless Water Heater
Ace Hardware
$1,259.99
Reliance 6.6 Gal 160000 BTU Natural Gas Tankless Water Heater
Ace Hardware
$1,645.55
Rinnai SENSEI rx199in Natural Gas / Liquid Propane Wall-Mounted Indoor / Outdoor Tankless Water Heater - 120V, 199,000 BTU, 11.0 GPM
WebstaurantStore
30% off
$1,645.55
Rinnai SENSEI rx199in Natural Gas / Liquid Propane Wall-Mounted Indoor / Outdoor Tankless Water Heater - 120V, 199,000 BTU, 11.0 GPM
WebstaurantStore
$9,707.00
Lochinvar Floor Mount Knight Boiler KHB Series - Natural Gas Water Boiler
Oswald Supply Co
$9,707.00
Lochinvar Floor Mount Knight Boiler KHB Series - Natural Gas Water Boiler
Oswald Supply Co
$9,579.00
HTP PHM199-100 Phoenix 100 Gallon Natural Gas Water Heater - 120V, 199,000 BTU
WebstaurantStore
$9,579.00
HTP PHM199-100 Phoenix 100 Gallon Natural Gas Water Heater - 120V, 199,000 BTU
WebstaurantStore
$3,761.00
HTP Phoenix LD PH76-50 50 Gallon Light-Duty Natural Gas Water Heater - 120V, 76,000 BTU, 1.6 GPM
WebstaurantStore
$3,761.00
HTP Phoenix LD PH76-50 50 Gallon Light-Duty Natural Gas Water Heater - 120V, 76,000 BTU, 1.6 GPM
WebstaurantStore
$719.99
Mizudo CF170 Tankless Water Heater Natural Gas 7.5 GPM 170,000 BTU New FDG-CF170AW-NG
FactoryPure
11
$719.99
Mizudo CF170 Tankless Water Heater Natural Gas 7.5 GPM 170,000 BTU New FDG-CF170AW-NG
FactoryPure
$825.00
A.O. Smith Signature Series 8-GPM 190000-BTU Indoor Natural Gas/Liquid Propane Tankless Water Heater | GT15-310C-I
Lowe's
$825.00
A.O. Smith Signature Series 8-GPM 190000-BTU Indoor Natural Gas/Liquid Propane Tankless Water Heater | GT15-310C-I
Lowe's
$529.00
Envirotemp 40-Gallon Tall 3-Year Warranty 35500-BTU Natural Gas Water Heater | 40T3-35NGR
Lowe's
$529.00
Envirotemp 40-Gallon Tall 3-Year Warranty 35500-BTU Natural Gas Water Heater | 40T3-35NGR
Lowe's
$399.99
Mizudo 3.6 GPM Tankless Water Heater Indoor Natural Gas 80,000 BTU 120V New FDG-CS80W-NG
FactoryPure
$399.99
Mizudo 3.6 GPM Tankless Water Heater Indoor Natural Gas 80,000 BTU 120V New FDG-CS80W-NG
FactoryPure
$299.99
$399.99
Natural Gas Tankless Water Heatercsa Certified On-Demand Instant Hot Water Heater 3/4" NPT Connector
Aliexpress
Free shipping
25% off
$299.99
$399.99
Natural Gas Tankless Water Heatercsa Certified On-Demand Instant Hot Water Heater 3/4" NPT Connector
Aliexpress
$1,304.19
$1,808.87
NEW Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To
Aliexpress
Free shipping
27% off
$1,304.19
$1,808.87
NEW Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To
Aliexpress
$1,336.30
Rinnai Re199en Natural Gas Wall-Mounted Outdoor Tankless Water Heater - 120V, 199,000 BTU, 9.8 GPM
WebstaurantStore
52
29% off
$1,336.30
Rinnai Re199en Natural Gas Wall-Mounted Outdoor Tankless Water Heater - 120V, 199,000 BTU, 9.8 GPM
WebstaurantStore
$7,460.00
HTP PHM130-80 Phoenix 80 Gallon Natural Gas Water Heater - 120V, 130,000 BTU
WebstaurantStore
$7,460.00
HTP PHM130-80 Phoenix 80 Gallon Natural Gas Water Heater - 120V, 130,000 BTU
WebstaurantStore
$599.99
Camplux Whole Home Outdoor Tankless Hot Water Heater 5.28 GPM | Gray, Natural Gas 5.28GPM
Off Grid Store
169
$599.99
Camplux Whole Home Outdoor Tankless Hot Water Heater 5.28 GPM | Gray, Natural Gas 5.28GPM
Off Grid Store
$599.99
Mizudo CS120S Tankless Water Heater Natural Gas 5.1 GPM 120,000 BTU New FDG-CS120SBW-NG
FactoryPure
140
$599.99
Mizudo CS120S Tankless Water Heater Natural Gas 5.1 GPM 120,000 BTU New FDG-CS120SBW-NG
FactoryPure
$479.99
Mizudo 4.3 GPM Tankless Water Heater Indoor Natural Gas 100,000 BTU 120V New FDG-CS100W-NG
FactoryPure
7
$479.99
Mizudo 4.3 GPM Tankless Water Heater Indoor Natural Gas 100,000 BTU 120V New FDG-CS100W-NG
FactoryPure
$889.95
Rheem RTG-84XLN-3 8.4 GPM Outdoor Tankless Water Heater Natural Gas High-Efficiency Non-Condensing New RTG-84XLN-3
FactoryPure
2
$889.95
Rheem RTG-84XLN-3 8.4 GPM Outdoor Tankless Water Heater Natural Gas High-Efficiency Non-Condensing New RTG-84XLN-3
FactoryPure
$999.00
ENVO Natural Gas Tankless Water Heater With Copper Heat Exchanger & Safety Features - Green
Bed Bath & Beyond
33
$999.00
ENVO Natural Gas Tankless Water Heater With Copper Heat Exchanger & Safety Features - Green
Bed Bath & Beyond
$1,980.00
GE Realmax Platinum 50-Gallon Tall Natural Gas Atmospheric Water Heater 56.6 H X 22.0 W X 22.0 D In White
Wayfair
10
Free shipping
$1,980.00
GE Realmax Platinum 50-Gallon Tall Natural Gas Atmospheric Water Heater 56.6 H X 22.0 W X 22.0 D In White
Wayfair
$489.99
$689.99
Comfortech Classic Gas Tankless Water Heater 100,000 Btu, Up To 4.3 Gpm Instant Hot Water Heater Ng, Indoor Installation, Csa Certified, White White
Wayfair
7
Free shipping
28% off
$489.99
$689.99
Comfortech Classic Gas Tankless Water Heater 100,000 Btu, Up To 4.3 Gpm Instant Hot Water Heater Ng, Indoor Installation, Csa Certified, White White
Wayfair
Best Gas Water Heaters – 2025 Picks and Reviews
7:48
YouTubeConsumer Sherpa
Best Gas Water Heaters – 2025 Picks and Reviews
🔥 Best Gas Water Heaters – 2025 Picks and Reviews 🔗 Links to all products mentioned (Amazon Link): https://geni.us/jcnY Looking for the best gas water heaters for your home in 2025? Whether you’re replacing an old model or upgrading your current system, this video covers the top-rated gas water heaters that offer the best value ...
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Shop best natural gas water heaters

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$1,179.99
Reliance 40 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
$1,179.99
Reliance 40 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
$699.00
A.O. Smith Signature 100 40-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-T4040NVR
Lowe's
$699.00
A.O. Smith Signature 100 40-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-T4040NVR
Lowe's
$1,693.49
Rinnai cx199in Condensing Smart Sense Commercial Natural Gas Or Propane Tankless Water Heater, 199,000 BTU, 11.1 GPM
Amazon.com
10
Free shipping
$1,693.49
Rinnai cx199in Condensing Smart Sense Commercial Natural Gas Or Propane Tankless Water Heater, 199,000 BTU, 11.1 GPM
Amazon.com
$709.00
A.O. Smith Signature 100 40-Gallons Short 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-S4040NVR
Lowe's
$709.00
A.O. Smith Signature 100 40-Gallons Short 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-S4040NVR
Lowe's
$1,202.67
Rinnai re199in Non-Condensing Natural Gas Tankless Water Heater, Up To 9.8 GPM, Indoor Installation, 199,000 BTU
Amazon.com
57
Free shipping
$1,202.67
Rinnai re199in Non-Condensing Natural Gas Tankless Water Heater, Up To 9.8 GPM, Indoor Installation, 199,000 BTU
Amazon.com
$1,259.99
Reliance 6.6 Gal 160000 BTU Natural Gas Tankless Water Heater
Ace Hardware
$1,259.99
Reliance 6.6 Gal 160000 BTU Natural Gas Tankless Water Heater
Ace Hardware
$1,645.55
Rinnai SENSEI rx199in Natural Gas / Liquid Propane Wall-Mounted Indoor / Outdoor Tankless Water Heater - 120V, 199,000 BTU, 11.0 GPM
WebstaurantStore
30% off
$1,645.55
Rinnai SENSEI rx199in Natural Gas / Liquid Propane Wall-Mounted Indoor / Outdoor Tankless Water Heater - 120V, 199,000 BTU, 11.0 GPM
WebstaurantStore
$9,707.00
Lochinvar Floor Mount Knight Boiler KHB Series - Natural Gas Water Boiler
Oswald Supply Co
$9,707.00
Lochinvar Floor Mount Knight Boiler KHB Series - Natural Gas Water Boiler
Oswald Supply Co
$9,579.00
HTP PHM199-100 Phoenix 100 Gallon Natural Gas Water Heater - 120V, 199,000 BTU
WebstaurantStore
$9,579.00
HTP PHM199-100 Phoenix 100 Gallon Natural Gas Water Heater - 120V, 199,000 BTU
WebstaurantStore
$3,761.00
HTP Phoenix LD PH76-50 50 Gallon Light-Duty Natural Gas Water Heater - 120V, 76,000 BTU, 1.6 GPM
WebstaurantStore
$3,761.00
HTP Phoenix LD PH76-50 50 Gallon Light-Duty Natural Gas Water Heater - 120V, 76,000 BTU, 1.6 GPM
WebstaurantStore
$719.99
Mizudo CF170 Tankless Water Heater Natural Gas 7.5 GPM 170,000 BTU New FDG-CF170AW-NG
FactoryPure
11
$719.99
Mizudo CF170 Tankless Water Heater Natural Gas 7.5 GPM 170,000 BTU New FDG-CF170AW-NG
FactoryPure
$825.00
A.O. Smith Signature Series 8-GPM 190000-BTU Indoor Natural Gas/Liquid Propane Tankless Water Heater | GT15-310C-I
Lowe's
$825.00
A.O. Smith Signature Series 8-GPM 190000-BTU Indoor Natural Gas/Liquid Propane Tankless Water Heater | GT15-310C-I
Lowe's
$529.00
Envirotemp 40-Gallon Tall 3-Year Warranty 35500-BTU Natural Gas Water Heater | 40T3-35NGR
Lowe's
$529.00
Envirotemp 40-Gallon Tall 3-Year Warranty 35500-BTU Natural Gas Water Heater | 40T3-35NGR
Lowe's
$399.99
Mizudo 3.6 GPM Tankless Water Heater Indoor Natural Gas 80,000 BTU 120V New FDG-CS80W-NG
FactoryPure
$399.99
Mizudo 3.6 GPM Tankless Water Heater Indoor Natural Gas 80,000 BTU 120V New FDG-CS80W-NG
FactoryPure
$299.99
$399.99
Natural Gas Tankless Water Heatercsa Certified On-Demand Instant Hot Water Heater 3/4" NPT Connector
Aliexpress
Free shipping
25% off
$299.99
$399.99
Natural Gas Tankless Water Heatercsa Certified On-Demand Instant Hot Water Heater 3/4" NPT Connector
Aliexpress
$799.00
A.O. Smith Signature 100 40-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-UT4040NVR
Lowe's
298
$799.00
A.O. Smith Signature 100 40-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-UT4040NVR
Lowe's
$1,304.19
$1,808.87
NEW Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To
Aliexpress
Free shipping
27% off
$1,304.19
$1,808.87
NEW Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To
Aliexpress
$1,336.30
Rinnai Re199en Natural Gas Wall-Mounted Outdoor Tankless Water Heater - 120V, 199,000 BTU, 9.8 GPM
WebstaurantStore
52
29% off
$1,336.30
Rinnai Re199en Natural Gas Wall-Mounted Outdoor Tankless Water Heater - 120V, 199,000 BTU, 9.8 GPM
WebstaurantStore

Shop best natural gas water heaters

Sponsored
About our ads
$891.99
Rheem RRTGH84DVLN3701171 Rheem RTGH Series 8.4 GPM 157,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Steel
Amazon.com
129
Free shipping
$891.99
Rheem RRTGH84DVLN3701171 Rheem RTGH Series 8.4 GPM 157,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Steel
Amazon.com
$8,129.93
Lochinvar Copper Fin CWN Series - Commercial Natural Gas Water Heater - 3 Year Warranty
Oswald Supply Co
$8,129.93
Lochinvar Copper Fin CWN Series - Commercial Natural Gas Water Heater - 3 Year Warranty
Oswald Supply Co
$12,792.00
Lochinvar Wall Mount Knight Boiler WHB Series - Natural Gas Water Boiler 399 Mbtu
Oswald Supply Co
$12,792.00
Lochinvar Wall Mount Knight Boiler WHB Series - Natural Gas Water Boiler 399 Mbtu
Oswald Supply Co
$950.23
Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM
Amazon.com
Free shipping
$950.23
Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM
Amazon.com
$867.23
Rheem RTG-84XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 8.4 GPM
Amazon.com
2
Free shipping
$867.23
Rheem RTG-84XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 8.4 GPM
Amazon.com
$799.99
Reliance 40 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
$799.99
Reliance 40 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
$669.00
A.O. Smith Signature 100 50-Gallons Tall 6-Year Warranty 40000-BTU Natural Gas Water Heater | G6N-T5040NVR
Lowe's
1K+
$669.00
A.O. Smith Signature 100 50-Gallons Tall 6-Year Warranty 40000-BTU Natural Gas Water Heater | G6N-T5040NVR
Lowe's
$1,244.00
NEW Rinnai rx160in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 9 GPM, 160,000 BTU
Amazon.com
4
Free shipping
$1,244.00
NEW Rinnai rx160in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 9 GPM, 160,000 BTU
Amazon.com
$6,540.25
Lochinvar Copper Fin CBN Series - Commercial Natural Gas Water Boiler 315 Mbtu
Oswald Supply Co
$6,540.25
Lochinvar Copper Fin CBN Series - Commercial Natural Gas Water Boiler 315 Mbtu
Oswald Supply Co
$1,259.99
Reliance 50 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
$1,259.99
Reliance 50 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
$1,997.58
NEW Rinnai rxp199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 11.1 GPM, 199,000 BTU
Amazon.com
129
Free shipping
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NEW Rinnai rxp199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 11.1 GPM, 199,000 BTU
Amazon.com
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Reliance 40 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
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Lowe's
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A.O. Smith Signature 100 40-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-T4040NVR
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Rinnai cx199in Condensing Smart Sense Commercial Natural Gas Or Propane Tankless Water Heater, 199,000 BTU, 11.1 GPM
Amazon.com
10
Free shipping
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Amazon.com
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A.O. Smith Signature 100 40-Gallons Short 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-S4040NVR
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A.O. Smith Signature 100 40-Gallons Short 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-S4040NVR
Lowe's
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Rinnai re199in Non-Condensing Natural Gas Tankless Water Heater, Up To 9.8 GPM, Indoor Installation, 199,000 BTU
Amazon.com
57
Free shipping
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Amazon.com
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Reliance 6.6 Gal 160000 BTU Natural Gas Tankless Water Heater
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Reliance 6.6 Gal 160000 BTU Natural Gas Tankless Water Heater
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Rinnai SENSEI rx199in Natural Gas / Liquid Propane Wall-Mounted Indoor / Outdoor Tankless Water Heater - 120V, 199,000 BTU, 11.0 GPM
WebstaurantStore
30% off
$1,645.55
Rinnai SENSEI rx199in Natural Gas / Liquid Propane Wall-Mounted Indoor / Outdoor Tankless Water Heater - 120V, 199,000 BTU, 11.0 GPM
WebstaurantStore