Top 30 6 GPM Tankless Water Heaters on Amazon (Verified You can Buy)
Top 1
Atmor 29kW 5.4 GPM Electric Tankless Water Heater, ideal for 3 bedroom home, up to 6 simultaneous applications
Atmor
AT-912-29TP
Ratings for Atmor (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Home and Around Products | - | ✅ | ✅ | ✅ |
Features
Perfect for low flow single sink applications in moderate to warm climates with inlet cold water temps above 57 degrees
For optimal heating a 0.5 GPM is required. 0.5 GPM = 45 degree temperature rise
Rinnai V94iN Tankless Hot Water Heater, 9.8 GPM, Natural Gas, Indoor Installation
Rinnai
V94IN
17.5 x 30.0 x 13.0 Inches
46.3 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| eFaucets | 9,630 | ✅ | ✅ | ✅ |
Features
Original Design: Tankless hot water heater only heats when necessary to conserve energy; For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE199iN model
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 9.8 GPM (6 fixtures at once)
Top 3
FOGATTI Natural Gas Tankless Water Heater, Indoor 6.3 GPM, 145,000 BTU White Instant Hot Water Heater, InstaGas Comfort 145 Series
FOGATTI
FDG370INA-NG
15.5 x 7.3 x 23.9 Inches
36.4 Pounds
Ratings for FOGATTI (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Westinghouse Home Comfort Direct | - | ✅ | ✅ | ✅ |
Features
We recommend that all installations of units must be done by the local building and plumbing codes of the installation location and installation be done by a licensed professional.
The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.
Rheem RETEX-36 Performance 36 kw Self-Modulating 6 GPM Electric Tankless Water Heater
Rheem
RTEX-36
21.62 x 21.62 x 18.25 inches
19.0 Pounds
Ratings for Rheem (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| C_S Enterprises | - | ✅ | ✅ | ✅ |
| Arsenal PC | 4,550 | ✅ | ✅ | ✅ |
| Lisa Liquidations llc | - | ✅ | ✅ | ✅ |
| AXY Co | - | ✅ | ✅ | ✅ |
| Trena's Liquidation LLC | - | ❌ | ❌ | ❌ |
| PEACHSTATESTEALSANDDEALS | - | ❌ | ❌ | ❌ |
| Columbiatradestock (S/N Info Recorded) | - | ❌ | ❌ | ❌ |
| EPINOLUX | - | ❌ | ❌ | ❌ |
| MTL Retailers | - | ❌ | ❌ | ❌ |
| KOPKO | - | ❌ | ❌ | ❌ |
| Direct Supply Store | 5,208 | ❌ | ❌ | ❌ |
Features
This refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, and may arrive in a generic box
Top 5
Rheem 6kW 240V Point of Use Tankless Electric Water Heater
Rheem
RTEX-06
10.9 x 5.88 x 2.75 inches
4.5 pounds
99.8%
Ratings for Rheem (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Rhino Supply | - | ✅ | ✅ | ✅ |
| AXY Co | - | ✅ | ✅ | ✅ |
| Big Frog Supply | - | ❌ | ❌ | ❌ |
Features
Push-button ON/OFF control with LED temperature display
6 kW Model Flow Rate: up to 1.0 GPM
Top 6
Best for EcoSmart
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt, 6 x 11 x 3 Inch
EcoSmart
POU 3.5
6.0 x 11.0 x 3.0 inches
4.0 Pounds
Ratings for EcoSmart (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Factory Hardware Store | 9,542 | ❌ | ❌ | ❌ |
| MPAD USA | - | ❌ | ❌ | ❌ |
| Hearthshire | 75 | ❌ | ❌ | ❌ |
Features
Can provide hot water for one sink at 0.5 GPM in warmer climates
Requires 1 x 30 amp breaker and 10 AWG wire
Top 7
Natural Gas Tankless Water Heater, Camplux On Demand Hot Water Heaters Whole House, 6.86 GPM, Outdoor
CAMPLUX ENJOY OUTDOOR LIFE
WA686NGS
22.24 x 15.55 x 6.5 Inches
49.7 Pounds
Ratings for CAMPLUX ENJOY OUTDOOR LIFE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Camplux | - | ✅ | ✅ | ✅ |
Features
Installation Guide. We recommend that all installations must in accordance with the local building and plumbing codes of the installation location, install the hot water heater by a licensed professional plumber.
Instant Hot Tankless Water Heater. Camplux advanced 6.86 GPM high capacity natural gas tankless water heater delivers 6.86 gallons per minute of on-demand endless hot water. It is suitable for 3-4 outlet points, which can satisfy whole family.
Ecosmart POU 6 Point of Use Electric Tankless Water Heater, 6 KW, 1/20, 1/40, 1/95, White
EcoSmart
POU 6
0.0 x 11.0 x 6.0 inches
3.85 Pounds
Ratings for EcoSmart (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Amazon Resale | - | ✅ | ✅ | ✅ |
| VirVentures | 194 | ❌ | ❌ | ❌ |
Features
Designed for single point-of-use applications such as hand sinks in RVs, boats, restaurants, hotels, and medical offices requiring low flow rates not exceeding 1 GPM
Top 9
Eccotemp 20HI Indoor 6.0 GPM Natural Gas Tankless Water Heater Vertical Bundle
Eccotemp
20HI-NGV
50.0 Pounds
Ratings for Eccotemp (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Buildcom | 974 | ✅ | ✅ | ✅ |
| Northern Tool + Equipment | 596 | ✅ | ✅ | ✅ |
Top 10
Ariston Aures Pro 36kW 240-Volt 7.02 GPM Whole Home Electric Tankless Water Heater
Ariston
20.0 Pounds
Ratings for Ariston (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Ariston | - | ✅ | ✅ | ✅ |
Features
Powerful enough to supply endless, on-demand hot water for your entire home
Save Space; compact design allows for installation flexibility to provide hot water where you need it
Top 11
Best for CAMPLUX
Best for Inline
Best for Gas Powered
Best for NG
Best for Propane Liquid
Best for Compact
Best for Outdoor
Best for Propane
Best Gas Water Heaters
Best for 80 Gallon
Best Tankless Water Heaters
Best for FOGATTI
Best for Eccotemp
Best for CAMPLUX
Best for 5 GPM
Best for 7 GPM
Best for 9 GPM
Best for 10 GPM
Best for 11 GPM
Best for 12 GPM
Best for 15 GPM
Camplux Tankless Water Heater, 1.32 GPM Portable Propane Outdoor Camping Water Heater, 5L, AY132, White
CAMPLUX ENJOY OUTDOOR LIFE
AY132
14.8 x 11.42 x 4.33 inches
10.0 pounds
Ratings for CAMPLUX ENJOY OUTDOOR LIFE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Camplux | - | ✅ | ✅ | ✅ |
Features
Lightweight, Compact & Portable Design: The 10 pounds lightweight portable water heater's folding handle keeps it out of the way and enables easy setup outside.
Flow Rate & Temperature Specification: The temperature raise is 114.8℉ (46℃) at its highest point and 46.4℉ (8℃) is at its lowest point of 1.32 GPM. Also, 1.32 gallons of hot water can be produced per minute at the flow rate of 1.32 GPM.
Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation
Rinnai
RU199iN
22.05 x 14.76 x 33.86 Inches
74.1 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Big Frog Supply | - | ✅ | ✅ | ✅ |
| Plumbing & HVAC Wholesale | - | ✅ | ✅ | ✅ |
| Amazon.com | - | ✅ | ✅ | ✅ |
| The Luxury Coffee Shop | - | ✅ | ✅ | ✅ |
| RobinM4554 | - | ✅ | ✅ | ✅ |
Features
Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
Top 13
Best for Stiebel Eltron
Best for Stiebel Eltron
Best for EcoSmart
Best for 12 GPM
Best for 14 GPM
Stiebel Eltron 239223 Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water, Eco, White, 23
Stiebel Eltron
239223
4.63 x 16.63 x 14.5 inches
19.0 Pounds
High Efficiency
Ratings for Stiebel Eltron (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| FruityFlix LLC | - | ✅ | ✅ | ✅ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
| Big Frog Supply | - | ❌ | ❌ | ❌ |
| POWER HOUSE LLC | - | ❌ | ❌ | ❌ |
Features
On demand a continuous and unlimited supply of hot water
Sleek design saves space and no venting required, It also features two different temperature memory presets, making it easy to adjust for personalized needs.
Top 14
Best Water Heaters & Parts
Best for Rheem
Best for Inline
Best for Tanked
Best for Electric
Best for NG
Best for Digital
Best for Thermostat
Best for Whole House
Best for Rheem
Best for 20 Gallon
Best for 50 Gallon
Best for 80 Gallon
Best for Takagi
Best for Noritz
Best for Rheem
Best for Stiebel Eltron
Best for Rinnai
Best for EcoSmart
Best for FOGATTI
Best for GASLAND
Best for Eccotemp
Best for AO Smith
Best for 2 GPM
Best for 3 GPM
Best for 4 GPM
Best for 5 GPM
Best for 7 GPM
Best for 8 GPM
Best for 9 GPM
Best for 10 GPM
Best for 11 GPM
Best for 12 GPM
Best for 14 GPM
Rheem 18kW 240V Tankless Electric Water Heater
Rheem
RTEX-18
18.5 x 14.5 x 3.5 inches
14.78 pounds
99.8%
Ratings for Rheem (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Miami Water Heater | - | ✅ | ✅ | ✅ |
| CARESAN | - | ✅ | ✅ | ✅ |
| CASA CAYOS | - | ✅ | ✅ | ✅ |
| Amazon.com | - | ✅ | ✅ | ✅ |
| Trena's Liquidation LLC | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
External digital thermostatic control with LED display (+/1 degree accuracy)
Most advanced self-modulation, adjust power to meet hot water demand
Top 15
Best for Rheem
Best for Tanked
Best for Whole House
Best for 20 Gallon
Best for 80 Gallon
Best for Takagi
Best for Noritz
Best for Rinnai
Best for FOGATTI
Best for Eccotemp
Best for AO Smith
Best for 2 GPM
Best for 4 GPM
Best for 7 GPM
Best for 8 GPM
Best for 9 GPM
Best for 10 GPM
Best for 11 GPM
Best for 12 GPM
Best for 14 GPM
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
Rheem
RTEX-24
18.25 x 14.5 x 3.5 inches
17.8 pounds
99.8% Energy efficient
Ratings for Rheem (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| GM Not Mo | - | ✅ | ✅ | ✅ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
| Columbiatradestock (S/N Info Recorded) | - | ❌ | ❌ | ❌ |
| Sunny ING | - | ❌ | ❌ | ❌ |
| Nantek | - | ❌ | ❌ | ❌ |
Features
ON/OFF Dial Control with adjustable digital temperature display
Self-modulating power control
Top 16
Best for 14 GPM
Tankless Water Heater Electric 27kW 240 Volt, thermomate On Demand Instant Endless Hot Water Heater, Digital Temperature Display for Residential Whole House Shower, 114A GRAY
thermomate
ET270
17.12 x 13.12 x 3.12 Inches
Ratings for thermomate (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| thermoflow | - | ✅ | ✅ | ✅ |
| THMOS | - | ✅ | ✅ | ✅ |
Features
[Instant Unlimited Hot Water] - REQUIRE 3 SET x Double-pole 40AMP Breakers to Achieve 240V for this On demand tankless electric water heater, providing hot water in 3 seconds when you need it and as long as you need, eliminating wait time, never run out of hot water again and No More cold shower. Flow Rate 5.27GPM @35°F Rise
[Self-modulating Power] - Self-modulating technology regulating the amount of energy required to heat water only when you need it with 99.8% efficient, saving up to 60% on water heating cost comparing to traditional tank water heater. Wall mounted compact size with no water tank, convenient for any spaces, saving floor space and fitting into tight spaces.
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
EcoSmart
ECO 36
3.6 x 21.0 x 17.0 inches
18.35 pounds
Ratings for EcoSmart (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| DistributionEmpire | - | ✅ | ✅ | ✅ |
| FlipSpace | - | ✅ | ✅ | ✅ |
| SpaceCityProviders | - | ❌ | ❌ | ❌ |
| Columbiatradestock (S/N Info Recorded) | - | ❌ | ❌ | ❌ |
Features
Sleek and compact design with digital output temperature display
ECOSMART tankless water heaters are 99.8-percent energy efficient
Top 18
Best Water Heaters & Parts
Best for 10 Gallon
Best for 80 Gallon
Best for 100 Gallon
Best for Takagi
Best for Noritz
Best for Rheem
Best for Rinnai
Best for EcoSmart
Best for FOGATTI
Best for GASLAND
Best for Eccotemp
Best for AO Smith
Best for 10 GPM
Best for 11 GPM
Best for 12 GPM
Best for 14 GPM
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
EcoSmart
ECO 11
3.75 x 8.0 x 11.5 inches
6.5 pounds
Energy Efficient
Ratings for EcoSmart (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| 718 Sold It | 7,587 | ✅ | ✅ | ✅ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature.Amperage Draw : 54 A
Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
Top 19
Best for Rinnai
Best for Noritz
Best for Rinnai
Best for 5 GPM
Best for 9 GPM
Best for 10 GPM
Rinnai V53DeP Tankless Hot Water Heater, 5.3 GPM, Propane, Outdoor Installation
Rinnai
V53DeP
13.0 x 13.0 x 30.0 inches
33.0 pounds
High
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| eFaucets | 9,630 | ✅ | ✅ | ✅ |
| Amazon.com | - | ✅ | ✅ | ✅ |
| Big Frog Supply | - | ✅ | ✅ | ✅ |
Features
Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
Rinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
Rinnai
RL75iN
17.5 x 13.0 x 31.0 Inches
54.0 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| eFaucets | 9,630 | ✅ | ✅ | ✅ |
Features
Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits; For the latest in non-condensing technology that speeds up service and installation, check out our new RE160iN model
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 7.5 GPM (5 fixtures at once)
Rinnai V65EN Tankless Hot Water Heater, 6.5 GPM, Natural Gas, Outdoor Installation
Rinnai
V65EN
9.6 x 14.04 x 24.3 Inches
47.4 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| eFaucets | 9,630 | ✅ | ✅ | ✅ |
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
Original Design: Tankless hot water heater only heats when necessary to conserve energy; For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE160eN model
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 6.5 GPM (5 fixtures at once)
Rinnai RU199eN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Outdoor Installation
Rinnai
RU199eN
22.05 x 14.76 x 33.86 Inches
72.5 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
Top 23
Eccotemp Builder Grade 6.5 GPM Indoor Natural Gas Tankless Water Heater
Eccotemp
6.5GB
26.2 x 17.1 x 7.3 Inches
0.0006 Pounds
Ratings for Eccotemp (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Eccotemp | - | ✅ | ✅ | ✅ |
| ResearchWaterFilters | - | ✅ | ✅ | ✅ |
Features
Rated for 3-4 applications means enjoying on-demand hot showers for up to 3 bathrooms simultaneously
Rated at 6.5 GPM (gallons per minute) at 170,000 BTUs with a temperature rise of 45 degrees, this ultra-efficient tankless hot water heater is the second largest capacity model in the Eccotemp Builder Series and ideal for just about every size single-family home, townhome, condo, cabin, apartment, or light commercial use in the US and Canada
Rheem RTG-70XLP-1 Tankless Water Heater, Grey, Grey
Rheem
RTG-70XLP-1
9.88 x 13.88 x 25.63 Inches
54.0 Pounds
Ratings for Rheem (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Amazon Resale | - | ✅ | ✅ | ✅ |
Features
Continuous Hot Water – never run out of hot water, even with back-to-back showers
Tankless Gas Water Heaters are cost saving and energy efficient
Top 25
Best for Noritz
Noritz NRC66DVNG Indoor Condensing Direct Tankless Hot Water Heater, 6.6 GPM - Natural Gas
Noritz
NRC661-DV-NG
6.7 x 13.8 x 23.6 inches
38.0 Pounds
Ratings for Noritz (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| NYDIRECT | - | ✅ | ✅ | ✅ |
| Amazon.com | - | ✅ | ✅ | ✅ |
| Buildcom | 974 | ❌ | ❌ | ❌ |
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
Features
Endless hot water
Can be vented with Schedule 40 PVC Pipe and Fitting
Rheem Mid-Efficiency 8.4GPM Outdoor Natural Gas Tankless Water Heater
Rheem
RTG-84XLN-1
13.88 x 13.88 x 23.63 inches
54.0 Pounds
Ratings for Rheem (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
Features
Exclusive Water Savings technology conserving up to 1, 100 gallons per year
157, 000 BTU (gas consumed per hour)
EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5
EcoSmart
ECO 27
17.0 x 17.0 x 17.0 inches
14.7 pounds
Ratings for EcoSmart (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| EXPRESS DISTRIBUTION | - | ❌ | ❌ | ❌ |
| Returned Solutions | - | ❌ | ❌ | ❌ |
| Brookpark WIRLESS & Appliance | - | ❌ | ❌ | ❌ |
Features
Endless on-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 17 x 17 x 3.75 inches
Rinnai RL94IN Tankless Hot Water Heater, 9.8 GPM, Natural Gas, Indoor Installation
Rinnai
RL94IN
17.5 x 13.0 x 31.0 Inches
54.78 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| eFaucets | 9,630 | ✅ | ✅ | ✅ |
Features
Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits; For the latest in non-condensing technology that speeds up service and installation, check out our new RE180iN model
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 9.8 GPM (6 fixtures at once)
Tankless Water Heater Propane, Camplux Propane Water Heater, 3.18 GPM On Demand Instant Hot Water Heater, Indoor, Black
CAMPLUX ENJOY OUTDOOR LIFE
CA318B
4.72 x 4.72 x 25.4 inches
23.8 Pounds
Ratings for CAMPLUX ENJOY OUTDOOR LIFE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Camplux | - | ✅ | ✅ | ✅ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
Steady Temperature Control- Benefiting from the calculation and control of the heating power , the temperature difference of the water can be precisely controlled within ±2 ℉, no more chilly cold shower
High Heating Performance- Camplux CA318 propane hot water heater comes with oxgen-free copper heat exchanger and v-type stainless steel burner makes high heating efficiency up to 98.99 % in 3 seconds
Top 30
Airthereal Electric Tankless Water Heater 18kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 2 Showers, Evening Tide series
AIRTHEREAL
18kW
17.25 x 12.22 x 3.43 Inches
Ratings for AIRTHEREAL (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Sain Store | 1,426 | ✅ | ✅ | ✅ |
Features
☼ Endless Hot Water: Imagine you are the last one in your family to take a shower before heading out for the day. You turn on the faucet and the water is freezing cold. Too bad you don’t have an Airthereal Electric Tankless Water to provide endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank.
☼ Save Space: That water heater in the basement or utility closet takes up a ton of space. This wall-mounted water heater uses 90% less space than a traditional hot water heater with a tank.
Top 10 6 GPM Tankless Water Heaters - Verified to Buy (September 2026)
- 1. Atmor 29kW 5.4 GPM Electric Tankless Water Heater, ideal for...
- 2. Rinnai V94iN Tankless Hot Water Heater, 9.8 GPM, Natural Gas,...
- 3. FOGATTI Natural Gas Tankless Water Heater, Indoor 6.3 GPM, 145,000...
- 4. Rheem RETEX-36 Performance 36 kw Self-Modulating 6 GPM Electric Tankless...
- 5. Rheem 6kW 240V Point of Use Tankless Electric Water Heater
- 6. Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater,...
- 7. Natural Gas Tankless Water Heater, Camplux On Demand Hot Water...
- 8. Ecosmart POU 6 Point of Use Electric Tankless Water Heater,...
- 9. Eccotemp 20HI Indoor 6.0 GPM Natural Gas Tankless Water Heater...
- 10. Ariston Aures Pro 36kW 240-Volt 7.02 GPM Whole Home Electric...
Top 10 6 GPM Tankless Water Heaters Brands on Amazon
Here is the list of top-rated brands that were evaluated by CherryPicks.
- Atmor
- Rinnai
- FOGATTI
- Rheem
- EcoSmart
- CAMPLUX ENJOY OUTDOOR LIFE
- Eccotemp
- Ariston
- Stiebel Eltron
- thermomate
Related 6 GPM Tankless Water Heaters Guides
For more personalized 6 GPM Tankless Water Heaters guides, Check those pages,
GPM
Top 10 6 GPM Tankless Water Heaters Sellers: CPR Seller Rank List
CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.
- 1. Hearthshire : 349,293 Yearly Feedback , Avg. Ratings 4.7
- 2. VirVentures : 178,755 Yearly Feedback , Avg. Ratings 4.8
- 3. Northern Tool + Equipment : 75,092 Yearly Feedback , Avg. Ratings 4.5
- 4. Buildcom : 51,606 Yearly Feedback , Avg. Ratings 4.5
- 5. Sain Store : 37,822 Yearly Feedback , Avg. Ratings 4.8
- 6. Arsenal PC : 14,346 Yearly Feedback , Avg. Ratings 4.7
- 7. Direct Supply Store : 12,664 Yearly Feedback , Avg. Ratings 4.9
- 8. 718 Sold It : 8,956 Yearly Feedback , Avg. Ratings 4.8
- 9. Factory Hardware Store : 7,124 Yearly Feedback , Avg. Ratings 4.4
- 10. eFaucets : 7,050 Yearly Feedback , Avg. Ratings 4.4
| Rank | Name | Yearly Feedbacks | Avg. Ratings |
|---|---|---|---|
| 🥇 | Hearthshire | 349,293 | 4.7 |
| 🥈 | VirVentures | 178,755 | 4.8 |
| 🥉 | Northern Tool + Equipment | 75,092 | 4.5 |
| 4 | Buildcom | 51,606 | 4.5 |
| 5 | Sain Store | 37,822 | 4.8 |
| 6 | Arsenal PC | 14,346 | 4.7 |
| 7 | Direct Supply Store | 12,664 | 4.9 |
| 8 | 718 Sold It | 8,956 | 4.8 |
| 9 | Factory Hardware Store | 7,124 | 4.4 |
| 10 | eFaucets | 7,050 | 4.4 |
[Get] 6 GPM Tankless Water Heaters Deals (✅Exclusively for Prime)
What does "Amazon Fulfilled" Mean?
Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.
When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.
What does "Prime" Mean?
"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.
Prime members also have access to other benefits, including 2-Day Shipping, Exclusive Member Deals, Prime Video, Buy With Prime, Amazon Music, Prime Gaming, and more.
Shop Prime 6 GPM Tankless Water Heaters Deals
What does "Free Shipping" Mean?
"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.
Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.
Why Should You Trust Us?
Now hundreds and thousands of Rough Plumbing supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best 6 GPM Tankless Water Heaters to buy for new September 2026?
CherryPicks’s Methodology for Evaluating 6 GPM Tankless Water Heaters
We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Rough Plumbing items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.
We collected and analyzed 306 of 6 GPM Tankless Water Heaters reviews based on our selection criteria. It helped us shortlist the top qualified and rated 6 GPM Tankless Water Heaters for Rough Plumbing, We found that most customers choose 6 GPM Tankless Water Heaters with an average price of $625.71, and the top brands are AIRTHEREAL, EcoSmart, CAMPLUX ENJOY OUTDOOR LIFE, Rheem, thermomate, Ariston, Rinnai, FOGATTI, Stiebel Eltron, Eccotemp And Noritz.
Then our expert-level editors reviewed all those quality items and selected the top 30 6 GPM Tankless Water Heaters for you, We have researched hundreds of sellers and picked the top sellers for Rough Plumbing, including Amazon Resale, Hearthshire, VirVentures, Northern Tool + Equipment, Buildcom, Sain Store, Arsenal PC, Direct Supply Store, 718 Sold It, Factory Hardware Store, eFaucets And Big Frog Supply. The Atmor 29kW 5.4 GPM Electric Tankless Water Heat... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 33 consumers with an average rating of 3.5.
We've helped a lot of satisfied users get the right Tools & Home Improvement product based on their needs, and save lots of time for them to pick 6 GPM Tankless Water Heaters to buy.
Wade is a student with an interest in writing and loves to write about home and kitchen appliances. When he is not writing about this, he is coding. He also has an interest in computer programming more specifically blockchain development. He is introverted and likes to keep to himself depending on his mood.