Shop Best Rated Natural Gas Tankless Water Heater

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$779.88
Performance Plus 7.0 GPM Non-Condensing Indoor Natural Gas Tankless Water Heater
Home Depot
94
Free shipping
$779.88
Performance Plus 7.0 GPM Non-Condensing Indoor Natural Gas Tankless Water Heater
Home Depot
94
$459.90
VEVOR Gas Tankless Water Heater 8Gal Outdoor 191000 Btu Instant Hot Water Heater Smart Temperature Control & 3/4 Inch Npt Interface& Multiple
VEVOR
15
$459.90
VEVOR Gas Tankless Water Heater 8Gal Outdoor 191000 Btu Instant Hot Water Heater Smart Temperature Control & 3/4 Inch Npt Interface& Multiple
VEVOR
15
$345.90
VEVOR Gas Tankless Water Heater 5.3Gal Outdoor 120000 Btu Instant Hot Water Heater Smart Temperature Control & 3/4 Inch Npt Interface& Multiple
VEVOR
$345.90
VEVOR Gas Tankless Water Heater 5.3Gal Outdoor 120000 Btu Instant Hot Water Heater Smart Temperature Control & 3/4 Inch Npt Interface& Multiple
VEVOR
$721.00
Performance Plus 7.0 GPM Non-Condensing Outdoor Natural Gas Tankless Water Heater
Home Depot
42
Free shipping
$721.00
Performance Plus 7.0 GPM Non-Condensing Outdoor Natural Gas Tankless Water Heater
Home Depot
42
$1,799.00
IKONIC 11.2 GPM Super High Efficiency Indoor Or Outdoor Natural Gas Tankless Water Heater
Home Depot
18
$1,799.00
IKONIC 11.2 GPM Super High Efficiency Indoor Or Outdoor Natural Gas Tankless Water Heater
Home Depot
18
$169.90
VEVOR Gas Tankless Water Heater 4.3Gal Indoor 100000 Btu Instant Hot Water Heater Smart Temperature Control & Clear Led Display & Multiple Security
VEVOR
$169.90
VEVOR Gas Tankless Water Heater 4.3Gal Indoor 100000 Btu Instant Hot Water Heater Smart Temperature Control & Clear Led Display & Multiple Security
VEVOR
$1,469.00
Navien NPE-210S2 180,000 BTU Condensing Premium Gas Tankless Water Heater
MyTanklesswaterHeater
Free shipping
$1,469.00
Navien NPE-210S2 180,000 BTU Condensing Premium Gas Tankless Water Heater
MyTanklesswaterHeater
Free shipping
$1,656.27
Rheem Gas Tankless Water Heater: High Efficiency, Indoor/Outdoor, Natural Gas, 9.5 Gpm Model: RTGH-95DVLN-3
Grainger
50
$1,656.27
Rheem Gas Tankless Water Heater: High Efficiency, Indoor/Outdoor, Natural Gas, 9.5 Gpm Model: RTGH-95DVLN-3
Grainger
50
$1,703.10
Rinnai rx199in Sensei RX 11 GPM 120 Volt Residential Indoor Liquid Propane / Natural Gas Tankless Water Heater With Smart-Sense Adaptive Gas Valve
Ferguson Home
618
$1,703.10
Rinnai rx199in Sensei RX 11 GPM 120 Volt Residential Indoor Liquid Propane / Natural Gas Tankless Water Heater With Smart-Sense Adaptive Gas Valve
Ferguson Home
618
$1,761.34
Rheem Gas Tankless Water Heater: Std Efficiency, Indoor, Natural Gas, 9.5 Gpm, 100°F To 170°F Model: RTG-95DVLN-3 / 701258
Grainger
108
$1,761.34
Rheem Gas Tankless Water Heater: Std Efficiency, Indoor, Natural Gas, 9.5 Gpm, 100°F To 170°F Model: RTG-95DVLN-3 / 701258
Grainger
108
$619.00
A.O. Smith Signature 100 40-Gallon Short 6-Year Warranty 40000-BTU Natural Gas Water Heater One_Size | G6-S4040NVR
Lowe's
2K+
$619.00
A.O. Smith Signature 100 40-Gallon Short 6-Year Warranty 40000-BTU Natural Gas Water Heater One_Size | G6-S4040NVR
Lowe's
2K+
$374.99
$499.99
Natural Gas Tankless Water Heater - CSA Certified On-Demand Instant Hot Water Heater 3/4" NPT
Aliexpress
Free shipping
25% off
$374.99
$499.99
Natural Gas Tankless Water Heater - CSA Certified On-Demand Instant Hot Water Heater 3/4" NPT
Aliexpress
Free shipping
$579.99
EZ Tankless EZ Deluxe 4.4 GPM 82,500 BTU Indoor Natural Gas Tankless Water Heater One_Size In White | EZDLXNG
Lowe's
3
$579.99
EZ Tankless EZ Deluxe 4.4 GPM 82,500 BTU Indoor Natural Gas Tankless Water Heater One_Size In White | EZDLXNG
Lowe's
3
$1,703.10
Rinnai rx199in rx199in 199,000 BTU, Condensing Indoor/Outdoor Tankless Water Heater (Natural Gas Or Propane) | Supplyhouse.Com
SupplyHouse.com
5
$1,703.10
Rinnai rx199in rx199in 199,000 BTU, Condensing Indoor/Outdoor Tankless Water Heater (Natural Gas Or Propane) | Supplyhouse.Com
SupplyHouse.com
5
$332.95
EZ Tankless EZ 202 4.1-GPM 84000-BTU Indoor/Outdoor Natural Gas Tankless Water Heater One_Size In White | EZ202NG
Lowe's
$332.95
EZ Tankless EZ 202 4.1-GPM 84000-BTU Indoor/Outdoor Natural Gas Tankless Water Heater One_Size In White | EZ202NG
Lowe's
$2,603.64
Rheem Gas Tankless Water Heater: High Efficiency, Indoor/Outdoor, Liquid Propane/Natural Gas Model: RTGH-Csr11i
Grainger
$2,603.64
Rheem Gas Tankless Water Heater: High Efficiency, Indoor/Outdoor, Liquid Propane/Natural Gas Model: RTGH-Csr11i
Grainger
$129.90
18L Tankless Natural Gas Hot Water Heater On-Demand Instant Boiler
eBay
30
Free shipping
$129.90
18L Tankless Natural Gas Hot Water Heater On-Demand Instant Boiler
eBay
30
$341.00
$481.00
Tankless Water Heater
Perigold
Free shipping
29% off
$341.00
$481.00
Tankless Water Heater
Perigold
Free shipping
$17.48
Tankless Water Heater Natural Gas, Camplux Gas Hot Water Heaters Whole House, 6.86 GPM, Outdoor
aardmanbyme.com
$17.48
Tankless Water Heater Natural Gas, Camplux Gas Hot Water Heaters Whole House, 6.86 GPM, Outdoor
aardmanbyme.com
$1,212.40
$1,707.30
Rinnai re180in Natural Gas Wall-Mounted Indoor Tankless Water Heater - 120V, 180,000 BTU, 8.5 GPM
WebstaurantStore
526
28% off
$1,212.40
$1,707.30
Rinnai re180in Natural Gas Wall-Mounted Indoor Tankless Water Heater - 120V, 180,000 BTU, 8.5 GPM
WebstaurantStore
526
$2,983.05
Bosch Greentherm T 9800 SE 199 NG/LP Tankless Water Heater
Craft Supply
$2,983.05
Bosch Greentherm T 9800 SE 199 NG/LP Tankless Water Heater
Craft Supply
$99,299.99
Noritz America NRC661-DV-NG Indoor Natural Gas Residential Tankless Water Heater
MyTanklesswaterHeater
1
Free shipping
$99,299.99
Noritz America NRC661-DV-NG Indoor Natural Gas Residential Tankless Water Heater
MyTanklesswaterHeater
1
$17.48
Tankless Hot Water Heater Natural Gas, Camplux On Demand Instant Hot Water Heater 5.28 GPM, Indoor, Gray
aardmanbyme.com
$17.48
Tankless Hot Water Heater Natural Gas, Camplux On Demand Instant Hot Water Heater 5.28 GPM, Indoor, Gray
aardmanbyme.com
$1,746.99
MRCOOL Natural Gas Tankless Water Heater, MHWH199NCNU
Zoro.com
$1,746.99
MRCOOL Natural Gas Tankless Water Heater, MHWH199NCNU
Zoro.com
$1,091.16
Rinnai re180in 8.5 GPM 180000 BTU 120 Volt Natural Gas Tankless Water Heater For Indoor Installation Silver Water Heaters Tankless Water Heaters
Ferguson Home
526
$1,091.16
Rinnai re180in 8.5 GPM 180000 BTU 120 Volt Natural Gas Tankless Water Heater For Indoor Installation Silver Water Heaters Tankless Water Heaters
Ferguson Home
526
$1,233.15
$1,596.31
rx199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water
Aliexpress
Free shipping
22% off
$1,233.15
$1,596.31
rx199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water
Aliexpress
Free shipping
$1,019.20
ENVO Natural Gas Tankless Water Heater With Copper Heat Exchanger & Safety Features - Green
Bed Bath & Beyond
125
14% off
$1,019.20
ENVO Natural Gas Tankless Water Heater With Copper Heat Exchanger & Safety Features - Green
Bed Bath & Beyond
125
$1,016.19
Rinnai Rep160en 6.6 GPM 160000 BTU 120 Volt Residential Outdoor Natural Gas Tankless Water Heater Silver Water Heaters Tankless Water Heaters Whole
Ferguson Home
58
$1,016.19
Rinnai Rep160en 6.6 GPM 160000 BTU 120 Volt Residential Outdoor Natural Gas Tankless Water Heater Silver Water Heaters Tankless Water Heaters Whole
Ferguson Home
58
$4,349.00
Navien NFC-H250/200H
MyTanklesswaterHeater
$4,349.00
Navien NFC-H250/200H
MyTanklesswaterHeater
$376.99
$589.00
Eccotemp I12-NG Natural Gas Indoor Tankless Water Heater - 110/120V, 4.0 GPM
WebstaurantStore
634
35% off
$376.99
$589.00
Eccotemp I12-NG Natural Gas Indoor Tankless Water Heater - 110/120V, 4.0 GPM
WebstaurantStore
634
$549.00
$769.00
Eccotemp 6GB-ING Natural Gas Indoor Tankless Water Heater - 110/120V, 6.0 GPM
WebstaurantStore
20
28% off
$549.00
$769.00
Eccotemp 6GB-ING Natural Gas Indoor Tankless Water Heater - 110/120V, 6.0 GPM
WebstaurantStore
20
$1,820.99
RINNAI Super High Efficiency Plus 11.1 GPM Residential 199000 BTU Exterior/Interior Tankless Water Heater, rx199in
Zoro.com
618
$1,820.99
RINNAI Super High Efficiency Plus 11.1 GPM Residential 199000 BTU Exterior/Interior Tankless Water Heater, rx199in
Zoro.com
618
$598.05
$781.76
V53den Natural Gas Tankless Water Heater - 5.3 GPM, Outdoor Installation
Aliexpress
Free shipping
23% off
$598.05
$781.76
V53den Natural Gas Tankless Water Heater - 5.3 GPM, Outdoor Installation
Aliexpress
Free shipping
$96.66
$131.46
Rheem RTG-70XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 7.0 GPM, Gray
www.mbweather.com
26% off
$96.66
$131.46
Rheem RTG-70XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 7.0 GPM, Gray
www.mbweather.com
$96.99
$1,537.90
Rinnai rx199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 11.1 GPM, 199,000 BTU
KtkTS
93% off
$96.99
$1,537.90
Rinnai rx199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 11.1 GPM, 199,000 BTU
KtkTS
$101.62
$136.17
Rinnai v65in 6.5 GPM Indoor Natural GAS Tankless Water Heater
TekCypher.com
25% off
$101.62
$136.17
Rinnai v65in 6.5 GPM Indoor Natural GAS Tankless Water Heater
TekCypher.com
Top 15 Best Gas Tankless Water Heater of 2023 - Reviews & Buying Guide
Top 15 Best Gas Tankless Water Heater of 2023 - Reviews & Buyin…
1.1K viewsFeb 2, 2018
cosyhousehold.com
Reviews for Rheem IKONIC 11.2 GPM Smart Super High Efficiency Indoor or Outdoor Natural Gas Tankless Water Heater with Recirculation | Pg 1 - The Home Depot
Reviews for Rheem IKONIC 11.2 GPM Smart Super High Efficiency …
Oct 10, 2024
homedepot.com
7 Best Rheem Tankless Water Heaters: Reviews & Comparison
7 Best Rheem Tankless Water Heaters: Reviews & Comparison
7 viewsJan 14, 2025
plumbinglab.com
What Is the Best Gas Water Heater? 2026 Buyers Guide Review
What Is the Best Gas Water Heater? 2026 Buyers Guide Review
5 views1 month ago
plumbingnav.com
10 Best Gas Tankless Water Heaters 2021
10 Best Gas Tankless Water Heaters 2021
Nov 8, 2019
remodelormove.com
Reviews for Rheem Performance Platinum 9.5 GPM Smart Super High Efficiency Indoor or Outdoor Natural Gas Tankless Water Heater | Pg 1 - The Home Depot
Reviews for Rheem Performance Platinum 9.5 GPM Smart Super Hi…
Jul 12, 2024
homedepot.com
Rinnai V75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
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Rinnai V75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indo…
1 viewsJun 1, 2012
amazon.com
The 9 Best Water Heaters for Efficiency and Performance
Sep 4, 2020
bobvila.com
Best water heaters
Nov 13, 2022
toptenreviews.com
11:41
8 best water heaters you need this winter 2025/2026
2 months ago
MSNConsumer Betterment - Video
2:11
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1 month ago
YouTubeBest Price
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Adapt®+ Premium Condensing Ultra-Low NOx Natural Gas Tankl…
968 views3 weeks ago
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Best Condensing Tankless Water Heater Review: (2026 Update)
Sep 3, 2021
plumbingnav.com
11:23
Best RV Tankless Water Heater!
104.6K viewsMar 28, 2021
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Shop Best Rated Natural Gas Tankless Water Heater

Sponsored
About our ads
$779.88
Performance Plus 7.0 GPM Non-Condensing Indoor Natural Gas Tankless Water Heater
Home Depot
94
Free shipping
$779.88
Performance Plus 7.0 GPM Non-Condensing Indoor Natural Gas Tankless Water Heater
Home Depot
94
$459.90
VEVOR Gas Tankless Water Heater 8Gal Outdoor 191000 Btu Instant Hot Water Heater Smart Temperature Control & 3/4 Inch Npt Interface& Multiple
VEVOR
15
$459.90
VEVOR Gas Tankless Water Heater 8Gal Outdoor 191000 Btu Instant Hot Water Heater Smart Temperature Control & 3/4 Inch Npt Interface& Multiple
VEVOR
15
$345.90
VEVOR Gas Tankless Water Heater 5.3Gal Outdoor 120000 Btu Instant Hot Water Heater Smart Temperature Control & 3/4 Inch Npt Interface& Multiple
VEVOR
$345.90
VEVOR Gas Tankless Water Heater 5.3Gal Outdoor 120000 Btu Instant Hot Water Heater Smart Temperature Control & 3/4 Inch Npt Interface& Multiple
VEVOR
$721.00
Performance Plus 7.0 GPM Non-Condensing Outdoor Natural Gas Tankless Water Heater
Home Depot
42
Free shipping
$721.00
Performance Plus 7.0 GPM Non-Condensing Outdoor Natural Gas Tankless Water Heater
Home Depot
42
$1,799.00
IKONIC 11.2 GPM Super High Efficiency Indoor Or Outdoor Natural Gas Tankless Water Heater
Home Depot
18
$1,799.00
IKONIC 11.2 GPM Super High Efficiency Indoor Or Outdoor Natural Gas Tankless Water Heater
Home Depot
18
$169.90
VEVOR Gas Tankless Water Heater 4.3Gal Indoor 100000 Btu Instant Hot Water Heater Smart Temperature Control & Clear Led Display & Multiple Security
VEVOR
$169.90
VEVOR Gas Tankless Water Heater 4.3Gal Indoor 100000 Btu Instant Hot Water Heater Smart Temperature Control & Clear Led Display & Multiple Security
VEVOR
$1,469.00
Navien NPE-210S2 180,000 BTU Condensing Premium Gas Tankless Water Heater
MyTanklesswaterHeater
Free shipping
$1,469.00
Navien NPE-210S2 180,000 BTU Condensing Premium Gas Tankless Water Heater
MyTanklesswaterHeater
Free shipping
$1,656.27
Rheem Gas Tankless Water Heater: High Efficiency, Indoor/Outdoor, Natural Gas, 9.5 Gpm Model: RTGH-95DVLN-3
Grainger
50
$1,656.27
Rheem Gas Tankless Water Heater: High Efficiency, Indoor/Outdoor, Natural Gas, 9.5 Gpm Model: RTGH-95DVLN-3
Grainger
50
$1,703.10
Rinnai rx199in Sensei RX 11 GPM 120 Volt Residential Indoor Liquid Propane / Natural Gas Tankless Water Heater With Smart-Sense Adaptive Gas Valve
Ferguson Home
618
$1,703.10
Rinnai rx199in Sensei RX 11 GPM 120 Volt Residential Indoor Liquid Propane / Natural Gas Tankless Water Heater With Smart-Sense Adaptive Gas Valve
Ferguson Home
618
$1,761.34
Rheem Gas Tankless Water Heater: Std Efficiency, Indoor, Natural Gas, 9.5 Gpm, 100°F To 170°F Model: RTG-95DVLN-3 / 701258
Grainger
108
$1,761.34
Rheem Gas Tankless Water Heater: Std Efficiency, Indoor, Natural Gas, 9.5 Gpm, 100°F To 170°F Model: RTG-95DVLN-3 / 701258
Grainger
108
$619.00
A.O. Smith Signature 100 40-Gallon Short 6-Year Warranty 40000-BTU Natural Gas Water Heater One_Size | G6-S4040NVR
Lowe's
2K+
$619.00
A.O. Smith Signature 100 40-Gallon Short 6-Year Warranty 40000-BTU Natural Gas Water Heater One_Size | G6-S4040NVR
Lowe's
2K+
$374.99
$499.99
Natural Gas Tankless Water Heater - CSA Certified On-Demand Instant Hot Water Heater 3/4" NPT
Aliexpress
Free shipping
25% off
$374.99
$499.99
Natural Gas Tankless Water Heater - CSA Certified On-Demand Instant Hot Water Heater 3/4" NPT
Aliexpress
Free shipping
$579.99
EZ Tankless EZ Deluxe 4.4 GPM 82,500 BTU Indoor Natural Gas Tankless Water Heater One_Size In White | EZDLXNG
Lowe's
3
$579.99
EZ Tankless EZ Deluxe 4.4 GPM 82,500 BTU Indoor Natural Gas Tankless Water Heater One_Size In White | EZDLXNG
Lowe's
3
$1,703.10
Rinnai rx199in rx199in 199,000 BTU, Condensing Indoor/Outdoor Tankless Water Heater (Natural Gas Or Propane) | Supplyhouse.Com
SupplyHouse.com
5
$1,703.10
Rinnai rx199in rx199in 199,000 BTU, Condensing Indoor/Outdoor Tankless Water Heater (Natural Gas Or Propane) | Supplyhouse.Com
SupplyHouse.com
5
$332.95
EZ Tankless EZ 202 4.1-GPM 84000-BTU Indoor/Outdoor Natural Gas Tankless Water Heater One_Size In White | EZ202NG
Lowe's
$332.95
EZ Tankless EZ 202 4.1-GPM 84000-BTU Indoor/Outdoor Natural Gas Tankless Water Heater One_Size In White | EZ202NG
Lowe's
$2,603.64
Rheem Gas Tankless Water Heater: High Efficiency, Indoor/Outdoor, Liquid Propane/Natural Gas Model: RTGH-Csr11i
Grainger
$2,603.64
Rheem Gas Tankless Water Heater: High Efficiency, Indoor/Outdoor, Liquid Propane/Natural Gas Model: RTGH-Csr11i
Grainger
$129.90
18L Tankless Natural Gas Hot Water Heater On-Demand Instant Boiler
eBay
30
Free shipping
$129.90
18L Tankless Natural Gas Hot Water Heater On-Demand Instant Boiler
eBay
30
$341.00
$481.00
Tankless Water Heater
Perigold
Free shipping
29% off
$341.00
$481.00
Tankless Water Heater
Perigold
Free shipping