Best 7 GPM Tankless Water Heaters (April 2024) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Rinnai RU130iN Condensing Tankless Hot Water Heater, 7 GPM, Natural Gas, Indo...

9.8
CPR Score
Top 2

Rinnai RU130iP Condensing Tankless Hot Water Heater, 7 GPM, Propane, Indoor I...

9.8
CPR Score
Top 3

FOGATTI Propane Gas Tankless Water Heater, Indoor 7.5 GPM, 170,000 BTU White ...

9.7
CPR Score
Tips


Our team has recommended top 30 7 GPM Tankless Water Heaters to make your shopping easy after considering different features about 7 GPM Tankless Water Heaters reviews of brands, including BLACK+DECKER, Craftsman, EcoSmart, Rheem, Stiebel Eltron, CAMPLUX ENJOY OUTDOOR LIFE, Rinnai, thermomate, Eemax, Ariston, MAREY, FOGATTI And Atmor. And after researching, Rinnai RU130iN Condensing Tankless Hot Water He... is a highly recommended 7 GPM Tankless Water Heaters item.

* Cherrypicksreviews.com is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best 7 GPM Tankless Water Heaters Rated by CherryPicks

Market Overview
7 GPM Tankless Water Heaters Reviewed
  • Reviews Analyzed: 15,900 Items
  • CPR Avg. Rating: 8.5 / 10
30 Products Evaluated
  • Highest Price: $2,244.00
  • Lowest Price: $184.58
  • Avg. Price: $823.99
Price Disclaimer

Top 30 7 GPM Tankless Water Heaters on Amazon (Verified You can Buy)

Rinnai RU130iN Condensing Tankless Hot Water Heater, 7 GPM, Natural Gas, Indoor Installation

Rinnai
RU130iN
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 -
Plumbing & HVAC Wholesale -

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
Show More
Top 2

Rinnai RU130iP Condensing Tankless Hot Water Heater, 7 GPM, Propane, Indoor Installation

Rinnai
RU130iP
22.05 x 14.76 x 33.86 Inches
62.0 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
Show More

FOGATTI Propane Gas Tankless Water Heater, Indoor 7.5 GPM, 170,000 BTU White Instant Hot Water Heater, InstaGas Comfort 170 Series

FOGATTI
FDG420IN-LPG
26.2 x 17.1 x 7.3 Inches
39.8 Pounds

Ratings for FOGATTI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
HaiNaDS -

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.
Show More

BLACK+DECKER Tankless Electric Water Heater 36kW 240 Volt 7.3GPM, Self-Modulating Multi-Application Unit for Whole House, Hot Water on Demand, Digital Temperature Display

BLACK+DECKER
BD-36-DWH
22.25 x 17.25 x 8.0 Inches

Ratings for BLACK+DECKER (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Home and Around Products -

Features

Hot Water on Demand: Powerful 36kW heating system provides endless hot water with automatic water flow sensors. Ideal for entire home to receive instant and continuous hot water in seconds. Self-modulating unit allows you to set and maintain desired temperature in increments of 1℉. Easy-to-use and read digital temperature display.
Multi-Use Application: For commercial or residential use. Hot water tank designed for entire home in warm to hot climates. Ideal for showers, sinks, bathrooms, washing machines and kitchens.
Show More

Craftsman CMXTEPA0036 36kW 240-Volt 7.3 GPM Electric Tankless Water Heater, Red

Craftsman
CMXTEPA0036
23.23 x 4.53 x 14.77 Inches
0.0006 Pounds

Ratings for Craftsman (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Home and Around Products -

Features

Warm to hot climates - serves up to 3-4 bathrooms | Cool to cold climates - serves up to 3 bathrooms
Requires a 240-Volt service with four 40 Amp double-pole breakers and four 8/2 AWG wires
Show More
Top 6

Rinnai RU130eN Condensing Tankless Hot Water Heater, 7 GPM, Natural Gas, Outdoor Installation

Rinnai
RU130eN
22.05 x 14.76 x 33.86 Inches
71.0 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
Show More

Rheem Mid-Efficiency 7.0GPM Outdoor Natural Gas Tankless Water Heater

Rheem
RTG-70XLN-1
13.88 x 8.88 x 23.63 Inches
54.0 Pounds

Ratings for Rheem (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Big Frog Supply 5,482

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
Show More

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
Show More

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.
Show More

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
Show More

Atmor 36kW 6.2 GPM Electric Tankless Water Heater, ideal for 4 bedroom home, up to 8 simultaneous applications

Atmor
AT-912-36TP

Ratings for Atmor (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Home and Around Products -

Features

Continuous on demand tankless hot water heater, no hot water tank
4 x 40 Amp DP breakers, 4 x 8/2 AWG wires with ground, 240V
Show More

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

Ratings for Rheem (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
GM Not Mo -

Features

ON/OFF Dial Control with adjustable digital temperature display
Self-modulating power control
Show More

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
1.0 Pounds

Ratings for Stiebel Eltron (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
FruityFlix 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.
Show More

Rinnai RSC199iN Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Natural Gas Water Heater, Up to 11 GPM, Indoor Installation, 199,000 BTU

Rinnai
RSC199iN
33.86 x 21.26 x 14.37 Inches
79.0 Pounds

Ratings for Rinnai (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Buildcom 1,641
Plumbing & HVAC Wholesale -

Features

Smart-Circ Intelligent Recirculation: This tankless hot water heater features Smart-Circ technology that learns your water usage patterns, then schedules pump and recirucation accordinlgy for superior energy efficiency and convenience
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This indoor condensing tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 11 GPM (7 fixtures at once)
Show More

Rheem Mid-Efficiency 7.0GPM Indoor Liquid Propane Tankless Water Heater

Rheem
RTG-70DVLP-1
9.88 x 13.88 x 25.63 Inches
62.0 Pounds

Ratings for Rheem (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

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
Show More

Rheem Mid-Efficiency 8.4GPM Outdoor Natural Gas Tankless Water Heater

Rheem
RTG-84XLN-1
8.88 x 13.88 x 23.63 Inches
57.0 Pounds

Ratings for Rheem (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Exclusive Water Savings technology conserving up to 1, 100 gallons per year
157, 000 BTU (gas consumed per hour)
Show More

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
Amazon.com -
eFaucets 9,655

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)
Show More

Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology, 17 x 17 x 3.5

EcoSmart
ECO24
3.75 x 17.0 x 17.0 Inches
14.25 Pounds

Ratings for EcoSmart (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Sleek and compact design with digital output temperature display
ECOSMART tankless water heaters are 99.8-percent energy efficient
Show More

RHEEM RTGH-84DVLN-2 Natural Gas Condensing Tankless Water Heater, Silver , Gray

Rheem
RTGH-84DVLN-2
27.5 x 9.8 x 18.5 Inches
77.9 Pounds

Ratings for Rheem (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
PJS Superstore -

Features

Hot water without the wait - or the waste
Low operating cost - High energy efficiency and water savings setting
Show More

Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water Heater

Rheem
RTGH-95DVLN-2
27.5 x 9.75 x 28.5 Inches
77.0 Pounds

Ratings for Rheem (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Hot water without the wait - or the waste
Low operating cost - High energy efficiency and water savings setting
Show More

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
THMOS -
thermoflow -

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.
Show More

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 9,655

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)
Show More

Rheem Prestige Condensing Tankless Indoor Natural Gas Water Heater 6.8 GPM - RTGH-68VLN-2

Rheem
RTGH-68DVLN-2
27.5 x 9.75 x 28.5 Inches
77.0 Pounds

Ratings for Rheem (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Hot water without the wait - or the waste
Low operating cost - High energy efficiency and water savings setting
Show More

Rinnai RUCS65iN Tankless Hot Water Heater, 6.5 GPM, Natural Gas, Indoor Installation

Rinnai
RUCS65IN
22.0 x 14.5 x 34.0 Inches

Ratings for Rinnai (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
eFaucets 9,655

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
Show More

MAREY GA24CSANG 8.34GPM, High Efficienty, CSA Certified, Residential Multiple Points of Use Natural Gas Tankless Water Heater, White, Small

MAREY
GA24CSANG
7.3 x 17.1 x 26.2 Inches
40.8 Pounds

Ratings for MAREY (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Marey International -

Features

CSA Certified
LED Touch Screen Computerized Safety
Show More

Eemax HA036240 240V 36 kW Electric Tankless Water Heater

Eemax
HA036240
18.0 x 21.0 x 4.5 Inches
17.4 Pounds

Ratings for Eemax (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Kodas Korner -

Features

Endless hot water
Brand name: Eemax
Show More

Rheem 18kW 240V Tankless Electric Water Heater

Rheem
RTEX-18
18.5 x 14.5 x 3.5 Inches
14.78 Pounds

Ratings for Rheem (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
CARESAN -
ALCRSOAN -
CASA CAYOS -

Features

External digital thermostatic control with LED display (+/1 degree accuracy)
Most advanced self-modulation, adjust power to meet hot water demand
Show More

EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5

EcoSmart
ECO 27
3.625 x 17.0 x 17.0 Inches
16.8 Pounds

Ratings for EcoSmart (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

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 
Show More

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 Warehouse 1

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
Show More

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

Ratings for EcoSmart (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
718 Sold It 4,922

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
Show More

Top 10 7 GPM Tankless Water Heaters - Verified to Buy (Apr. 2024)

Top 10 7 GPM Tankless Water Heaters Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • Rinnai
  • FOGATTI
  • BLACK+DECKER
  • Craftsman
  • Rheem
  • Ariston
  • CAMPLUX ENJOY OUTDOOR LIFE
  • Atmor
  • Stiebel Eltron
  • EcoSmart

Related 7 GPM Tankless Water Heaters Guides

For more personalized 7 GPM Tankless Water Heaters guides, Check those pages,


Top 10 7 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.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 Amazon Warehouse 4,312,804 4.5
🥈 Buildcom 2,327 4.6
🥉 718 Sold It 1,051 4.7
4 Big Frog Supply 967 4.6
5 eFaucets 607 4.5
6 Home and Around Products 392 4.8
7 Amazon.com 385 4.7
8 Camplux 321 4.7
9 PJS Superstore 175 4.6
10 Ariston 65 4.7
View or download top 7 GPM Tankless Water Heaters seller & rating report
Amazon Warehouse [4312804] Buildcom [2327] 718 Sold It [1051] Big Frog Supply [967] eFaucets [607] Home and Around Products [392] Amazon.com [385] Camplux [321] PJS Superstore [175] Ariston [65] Amazon Warehouse 100% Buildcom 0% 718 Sold It 0% Big Frog Supply 0% eFaucets 0% Home and Around Products 0% Amazon.com 0% Camplux 0% PJS Superstore 0% Ariston 0%

[Get] 7 GPM Tankless Water Heaters Deals (✅Exclusively for Prime)

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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.

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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 7 GPM Tankless Water Heaters to buy for new April 2024?

CherryPicks’s Methodology for Evaluating 7 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 181 of 7 GPM Tankless Water Heaters reviews based on our selection criteria. It helped us shortlist the top qualified and rated 7 GPM Tankless Water Heaters for Rough Plumbing, We found that most customers choose 7 GPM Tankless Water Heaters with an average price of $823.99, and the top brands are BLACK+DECKER, Craftsman, EcoSmart, Rheem, Stiebel Eltron, CAMPLUX ENJOY OUTDOOR LIFE, Rinnai, thermomate, Eemax, Ariston, MAREY, FOGATTI And Atmor. 

Then our expert-level editors reviewed all those quality items and selected the top 30 7 GPM Tankless Water Heaters for you, We have researched hundreds of sellers and picked the top sellers for Rough Plumbing, including Amazon Warehouse, Buildcom, 718 Sold It, Big Frog Supply, eFaucets, Home and Around Products, Amazon.com, Camplux, PJS Superstore, Ariston, Plumbing & HVAC Wholesale And HaiNaDS. The Rinnai RU130iN Condensing Tankless Hot Water He... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 649 consumers with an average rating of 4.5.

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 7 GPM Tankless Water Heaters to buy.


Written By Jack C. Haman

Looking for a great home and kitchen product reviewer? Jack is here to make sure you only buy the best home items for your budget. He is good at product testing, pushing them beyond their limits to discover what isn't obvious from just using products casually.