Top 30 Rinnai Tankless Water Heaters on Amazon (Verified You can Buy)
Rinnai RE180iN Non-Condensing Natural Gas Tankless Water Heater, Up to 8.5 GPM, Indoor Installation, 180,000 BTU
Rinnai
REU-VE2432FFD-US-N
10.77 x 14.05 x 27.28 inches
54.0 pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
| Buildcom | 974 | ❌ | ❌ | ❌ |
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
Features
Smart Design: Improved design of tankless hot water heater only heats when necessary to conserve energy; Speeds installation and enhances serviceability with a cleaner internal layout; LED screen provides service reminders and error codes
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This non-condensing indoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 6.9 GPM (5 fixtures at once)
Top 2
Best for Rinnai
Best for Inline
Best for Rinnai
Best for Tankless
Best Tankless Water Heaters
Best for 9 GPM
Best for 10 GPM
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
Rinnai
RX160iN
19.0 x 19.0 x 31.0 Inches
54.0 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
| Standard Plumbing Supply | - | ❌ | ❌ | ❌ |
Features
One Model, Anywhere: This Rinnai tankless water heater is installable indoors or outdoors thanks to our new Versa Vent and powered by either propane or natural gas thanks to a Smart Sense gas control system; RX-OVC vent cap required for outdoor install
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This condensing propane and natural gas tankless water heater from Rinnai is only the size of a small suitcase, but provides up to 9 GPM (6 fixtures at once)
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 RXP199iN Condensing Smart Sense Tankless Water Heater
Rinnai
RXP199iN
19.0 x 19.0 x 31.0 inches
58.0 Pounds
High
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| The Portland Group | - | ❌ | ❌ | ❌ |
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
Features
One Model, Anywhere: This Rinnai tankless water heater is installable indoors or outdoors thanks to our new Versa Vent and powered by either propane or natural gas thanks to a Smart Sense gas control system; RX-OVC vent cap required for outdoor install
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This condensing propane and natural gas tankless water heater from Rinnai is only the size of a small suitcase, but provides up to 11.1 GPM (7 fixtures at once)
Top 5
Best Gas Water Heaters
Best for Rinnai
Best for Tankless
Best for Noritz
Best for 9 GPM
Best for 11 GPM
NEW 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
Rinnai
RX199iN
30.11 x 18.5 x 30.11 Inches
55.0 Pounds
High (UEF .98)
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
| EXPRESS DISTRIBUTION | - | ❌ | ❌ | ❌ |
| Voomi Supply | - | ❌ | ❌ | ❌ |
Features
One Model, Anywhere: This Rinnai tankless water heater is installable indoors or outdoors thanks to our new Versa Vent and powered by either propane or natural gas thanks to a Smart Sense gas control system; RX-OVC vent cap required for outdoor install
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This condensing propane and natural gas tankless water heater from Rinnai is only the size of a small suitcase, but provides up to 11.1 GPM (7 fixtures at once)
Top 6
Best for Rinnai
Best for Indoor
Best for Residential
Best for High Efficiency
Best for AO Smith
Best for 5 GPM
Best for 15 GPM
Rinnai RE140iP Non-Condensing Propane Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU
Rinnai
RE140iP
10.77 x 14.05 x 27.28 inches
48.5 pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
Features
Smart Design: Improved design of tankless hot water heater only heats when necessary to conserve energy; Speeds installation and enhances serviceability with a cleaner internal layout; LED screen provides service reminders and error codes
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This non-condensing indoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 5.3 GPM (5 fixtures at once)
Top 7
Best for Rheem
Best for Tanked
Best for Whole House
Best for 20 Gallon
Best for Takagi
Best for Noritz
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
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
NEW Rinnai RX130iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 7.1 GPM, 130,000 BTU
Rinnai
RX130iN
19.0 x 19.0 x 31.0 inches
54.0 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
Features
One Model, Anywhere: This Rinnai tankless water heater is installable indoors or outdoors thanks to our new Versa Vent and powered by either propane or natural gas thanks to a Smart Sense gas control system; RX-OVC vent cap required for outdoor install
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This condensing propane and natural gas tankless water heater from Rinnai is only the size of a small suitcase, but provides up to 7.1 GPM (4 fixtures at once)
Top 9
Best for Rinnai
Rinnai REP160iP Smart-Circ Propane Tankless Water Heater
Rinnai
REU-VEP2125FFD-US-P
10.77 x 14.05 x 27.28 Inches
51.0 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
Features
Smart-Circ Intelligent Recirculation: Tankless hot water heater offers a built-in recirculation pump and Smart-Circ technology that learns your water use patterns, then schedules pump and recirculation accordingly for energy efficiency and convenience
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This non-condensing indoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 6.1 GPM (5 fixtures at once)
Top 10
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 Takagi
Best for Noritz
Best for Rheem
Best for Stiebel Eltron
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
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
Rinnai RU160iN Condensing Tankless Hot Water Heater, 9 GPM, Natural Gas, Indoor Installation
Rinnai
RU160in
18.5 x 11.45 x 31.3 Inches
72.5 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Plumbing & HVAC Wholesale | - | ✅ | ✅ | ✅ |
| Amazon.com | - | ✅ | ✅ | ✅ |
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
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 12
Best Water Heaters
Best for Gas Powered
Best for LP
Best for Indoor
Best for Propane
Best Gas Water Heaters
Best for 30 Gallon
Best for 40 Gallon
Best for 60 Gallon
Best for 75 Gallon
Best for 80 Gallon
Best for Tankless
Best for Eccotemp
Ranein Propane Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater
Ranein
RH8K-LPG-FC-RATING
13.8 x 13.8 x 21.7 inches
18.0 Pounds
Ratings for Ranein (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Ranein Store | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
Powerful On-Demand Heating: 80,000 BTU & 3.6 GPM for this tankless water heater propane, supports 2-3 water points simultaneously, delivers endless propane hot water on demand with no waiting.
Precision Temp Control: Gas-water-temperature intelligent dynamic linkage, 95°F-149°F adjustable range, eliminates hot/cold spikes, safe for kids and elders.
Top 13
Best for Rheem
Best for Propane Liquid
Best for Outdoor
Best for Rheem
Best Gas Water Heaters
Best for 50 Gallon
Best for Tankless
Best for 50 Gallon
Best Tankless Water Heaters
Best for Takagi
Best for Rheem
Best for 3 GPM
Best for 7 GPM
Rheem RTG-70XLP-3 High Efficiency Non-Condensing Outdoor Tankless Liquid Propane Water Heater 7.0 GPM, 160,000 BTUs
Rheem
RTG-70XLP-3
9.4 x 13.5 x 20.75 inches
39.25 Pounds
high
Ratings for Rheem (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon Resale | - | ❌ | ❌ | ❌ |
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
High-efficiency tankless gas water heater delivers up to 7.0 GPM, perfect for 2–3 bathroom homes with multiple hot water needs like showers and laundry.
Powered by liquid propane with 160,000 BTUs, this durable tankless unit ensures fast, reliable hot water—even during peak household demand.
Top 14
Best for 20 Gallon
Best for 100 Gallon
Best for Takagi
Best for Rheem
Best for Stiebel Eltron
Best for EcoSmart
Best for FOGATTI
Best for GASLAND
Best for Eccotemp
Best for AO Smith
Best for 2 GPM
Best for 3 GPM
18kW Tankless Water Heater Electric, NOVIEEX 240V 3s Instant Hot Water Heater, Flow Rate Max 4.9 GPM, Supply for 2-3 Points, Indoor Installation, Ideal for Apartment, Garage, Salon, Bathroom, Kitchen
NOVIEEX
DS-18
11.14 x 11.14 x 15.86 inches
Ratings for NOVIEEX (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| NOVIEEX Global | - | ❌ | ❌ | ❌ |
| Woot | 118 | ❌ | ❌ | ❌ |
Features
【MEDIUM HOME SOLUTION】 The NOVIEEX 18kW electric tankless water heater is specifically engineered for small-to-medium-sized homes, condos, and apartments with 2-3 simultaneous water needs. Its sleek, ultra-thin wall-mount profile (11.14" x 15.86" x 3.18") frees up 80% more space compared to obsolete, bulky storage tanks, maximizing spatial efficiency in your basement, utility closet, or garage.
【HIGH CAPACITY FLOW】 It delivers a powerful water flow rate of up to 4.9 Gallons Per Minute (GPM). This high capacity easily accommodates multiple running fixtures at once, allowing family members to run a shower, wash dishes in the kitchen sink, and operate the laundry machine concurrently without any drop in temperature or water pressure.
Top 15
Best Water Heaters
Best for Indoor
Best for 30 Gallon
Best Tankless Water Heaters
Best for 4 GPM
Best for 5 GPM
Best for 7 GPM
Best for 8 GPM
Best for 9 GPM
Best for 10 GPM
Ranein Propane Gas Tankless Water Heater, Indoor Max 8.5 GPM, 190,000 BTU Instant Hot Water Heater
Ranein
RH19K-LPG
15.08 x 15.08 x 24.25 inches
42.0 Pounds
Ratings for Ranein (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon Resale | - | ❌ | ❌ | ❌ |
| Ranein Store | - | ❌ | ❌ | ❌ |
Features
Fans Placed Underneath: It will be more secure in terms of safety, and no smoke backflow will occur. The blower has large power and can automatically adjust the rotating speed according to the change of external wind pressure and the change of water temperature to provide sufficient oxygen for gas combustion, ensuring full combustion and safer use. Low noise and longer service life.
No Waiting Required: Unlike traditional tank water heaters, tankless water heaters eliminate the need for a 30-minute preheating wait time, allowing you to have unlimited hot water on demand.
Top 16
Best for Fogatti
Best for 40 Gallon
Best for 60 Gallon
Best for 75 Gallon
Best for 80 Gallon
Best for Tankless
Best for Takagi
Best for FOGATTI
Best for 4 GPM
Best for 5 GPM
Best for 8 GPM
FOGATTI Natural Gas Tankless Water Heater Outdoor - Max 8.1 GPM 180,000 BTU, CSA Certified Compact Design On Demand Instant Hot Water Heater - Instagas Comfort 180S Series, New Upgraded
FOGATTI
FOG-PM18OS
17.1 x 17.1 x 26.2 inches
43.2 pounds
Ratings for FOGATTI (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Westinghouse Home Comfort Direct | - | ❌ | ❌ | ❌ |
Features
Instant Hot Water: Say goodbye to preheating delays! FOGATTI tankless water heater delivers continuous hot water instantly, powered by 180,000 BTU and up to 8.1 GPM flow rate. Whether it’s for showers, sinks, or appliances, even for 3-5 outlet points, it ensures uninterrupted hot water
Built for Outdoor Durability: Designed specifically for outdoor installation, this tankless water heater gas features a remote control panel for convenient indoor operation. The bottom-mounted fan enhances safety, durability, and lifespan by preventing smoke backflow and ensuring stable combustion, making it reliable in all seasons
Top 17
Best Water Heaters
Best for Inline
Best for Electric
Best for NG
Best for Compact
Best for Digital
Best for Mini
Best for Outdoor
Best for Thermostat
Best for Under Sink
Best for Wall
Best for 120 Volt
Best for Boiler
Best for 60 Gallon
Best for 100 Gallon
Best Tankless Water Heaters
Best for Takagi
Best for Noritz
Best for Stiebel Eltron
Best for EcoSmart
Best for FOGATTI
Best for GASLAND
Best for Eccotemp
Best for AO Smith
Best for 2 GPM
Best for 15 GPM
110V Tankless Water Heater Electric, 3000W Tankless Electric Water Heater Instant, Under Sink Water Heater with Digital Display, On Demand Hot Water Heaters Electric for Kitchen Washin Bathroom.
xwdzswgs
Tankless Water Heater
4.32 x 4.32 x 7.86 inches
Ratings for xwdzswgs (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| liuyiliang7788 | - | ❌ | ❌ | ❌ |
Features
Tankless Electric Water Heater - This electric tankless water heater uses stainless steel and ABS materials, LED display. With 3000W power, the electric water heater tankless can raise the water by 82° F(0.3GPM) -131° F(0.5GPM) in seconds. The instant water heater can set Fahrenheit or Celsius degrees by holding the power button for 6 seconds. This 110 volt electric tankless hot water heater uses advanced technology, no need to preheat, eliminating the long waiting time for hot water!
Safety Intelligence Reliable - This instant hot water heater has multiple protection functions. IPX4 waterproof, water and electricity isolation, leakage protection, dry boil protection, and automatic power off under overheating and inactivity. On demand water heater with LCD digital display, intelligent detection of working status, and performance. The thermal efficiency of electric hot water heater is as high as 98%, allowing you to enjoy hot water at any time and save energy.
Rinnai RUS75eN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Outdoor Installation
Rinnai
RUS75eN
22.0 x 14.5 x 35.0 inches
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
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 19
Best Water Heaters & Parts
Best for 10 Gallon
Best for 100 Gallon
Best for Takagi
Best for Noritz
Best for Rheem
Best for EcoSmart
Best for FOGATTI
Best for GASLAND
Best for Eccotemp
Best for AO Smith
Best for 10 GPM
Best for 11 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 20
Best for Rheem
Best for Propane Liquid
Best for Indoor
Best for Propane
Best for Rheem
Best for 50 Gallon
Best for 75 Gallon
Best for Takagi
Best for Rheem
Best for AO Smith
Best for 3 GPM
Best for 7 GPM
Rheem RTG-70DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater 7.0 GPM, 160,000 BTUs
Rheem
RTG-70DVLP-3
10.27 x 13.5 x 24.2 inches
46.5 pounds
Ratings for Rheem (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
| HTRM INC. | - | ❌ | ❌ | ❌ |
Features
High-efficiency tankless gas water heater delivers up to 7.0 GPM, perfect for 2–3 bathroom homes with multiple hot water needs like showers and laundry.
Powered by liquid propane with 160,000 BTUs, this durable tankless unit ensures fast, reliable hot water—even during peak household demand.
Rinnai CX199iN Condensing Smart Sense Commercial Natural Gas or Propane Tankless Water Heater, 199,000 BTU, 11.1 GPM
Rinnai
CX199iN
30.11 x 18.5 x 30.11 inches
59.9657 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
| The Portland Group | - | ❌ | ❌ | ❌ |
Features
One Model, Anywhere: This Rinnai tankless water heater is installable indoors or outdoors thanks to our new Versa Vent and powered by either propane or natural gas thanks to a Smart Sense gas control system; RX-OVC vent cap required for outdoor install
Super High Efficiency for Lower Energy Costs: Boasting an impressive thermal efficiency rating of 97%, this tankless water heater optimizes energy usage, helping to significantly reduce operational costs
Top 22
Best for Rinnai
Best for Indoor
Best for Residential
Best for High Efficiency
Best for Rinnai
Rinnai RE140iN Non-Condensing Natural Gas Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU
Rinnai
REU-VE1720FFD-US-N
10.77 x 14.05 x 27.28 inches
50.7504 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
Features
Smart Design: Improved design of tankless hot water heater only heats when necessary to conserve energy; Speeds installation and enhances serviceability with a cleaner internal layout; LED screen provides service reminders and error codes
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This non-condensing indoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 5.3 GPM (5 fixtures at once)
Rinnai CU160iN Commercial Natural Gas Condensing Tankless Water Heater, Indoor Installation, 9 GPM
Rinnai
CU160iN
22.05 x 14.76 x 33.86 Inches
72.3 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Westcoastsales | - | ❌ | ❌ | ❌ |
Features
Energy and Space Efficient Tankless Hot Water Heater: Our commercial hot water heaters feature a space-saving design that conserves energy as it heats only when necessary; Multiple venting options offer installation flexibility
Optimal Water Pressure: This tankless water heater offers a high-performance 9 GPM hot water flow rate for the powerful, constant stream your business needs
Top 24
Best for Gas Powered
Best for LP
Best Gas Water Heaters
Best for 40 Gallon
Best Tankless Water Heaters
Best for Eccotemp
APUS Tankless Water Heater Propane Gas, Up to 4.42 GPM, Indoor Hot Water Heater, 95,000 BTU on Demand Instant Hot Water Heaters with Smart Digital Display, Space Gray
APUS
AP-AWH-Q13LPG
5.9 x 5.9 x 20.55 inches
19.18 pounds
High
Ratings for APUS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| APUS WATER EQUIPMENT | - | ❌ | ❌ | ❌ |
Features
Powerful & High-Capacity: This high-performance propane tankless water heater delivers 95,000 BTU heating capacity with 4.42GPM high flow rate, featuring innovative 0.66GPM low-flow start technology. As a versatile propane tankless water heater, it meets simultaneous hot water demands for 2 showers plus 1 sink while maintaining stable temperatures even during peak usage
Precise & Steady: With high-precision sensors and smart CPU technology, this tankless propane water heater maintains water temperature within ±1°F of your desired setting (adjustable from 95°F-140°F). No more sudden hot/cold shocks—just perfectly steady water for showers, washing, and more, even with multiple faucets running. Enjoy worry-free comfort every time
Top 25
Best for Waterproof
Best for 10 Gallon
Best for 100 Gallon
Best for Takagi
Best for Noritz
Best for EcoSmart
Best for FOGATTI
Best for GASLAND
Best for Eccotemp
Best for AO Smith
Tankless Water Heater Electric 110V, 3000W Instant Electric Water Heater, Under Sink Water Heater with Digital Display, On Demand Hot Water heater Electric for Kitchen Bathroom Washin
xwdzswgs
Water Heater Electric
4.32 x 4.32 x 7.86 inches
Ratings for xwdzswgs (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| liuyiliang7788 | - | ❌ | ❌ | ❌ |
Features
✔ ELECTRIC TANKLESS WATER HEATER - This tankless electric water heater is made of high-quality ABS material, with LED display. With 3000W power, the mini water heater can raise the water by 82° F(0.3GPM) -131° F(0.5GPM) in seconds, providing tankless instant, continuous hot water without waiting for preheating, meeting daily hot water needs. The on demand water heater can set Fahrenheit or Celsius degrees by holding a power button for 6 seconds.
✔ COMPACT AND EFFICIENT DESIGN - The electric water heater tankless adopts an ultra-thin and smooth appearance design, which is beautiful and elegant. The point of use water heater can meet your outlet temperature requirement. The Larger the water flow, the lower the outlet temperature; The smaller the water flow, the higher the outlet temperature. Not Suitable for Shower(Shower normally requires at least 1.8 GPM). Under sink water heater 110v plug in.
Top 26
Best for Rheem
Best for High Efficiency
Best for Rheem
Best Gas Water Heaters
Best for 50 Gallon
Best for 75 Gallon
Best for Tankless
Best for 50 Gallon
Best for Takagi
Best for Noritz
Best for Rheem
Rheem RRTGH84DVLN3701171 Rheem RTGH Series 8.4 GPM 157,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Steel
Rheem
RTGH-84DVLN-3
9.8 x 17.7 x 23.7 inches
59.88 Pounds
Super High Efficiency
Ratings for Rheem (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| MTL Retailers | - | ❌ | ❌ | ❌ |
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
Flow rate of 0.4 - 8.4 GPM
Available temperature settings range from 100 to 140F (default setting of 120F)
Rinnai RUCS75iN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
Rinnai
RUCS75iN
22.0 x 14.5 x 35.0 inches
63.0 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| eFaucets | 9,630 | ✅ | ✅ | ✅ |
| Amazon.com | - | ✅ | ✅ | ✅ |
| Buildcom | 974 | ❌ | ❌ | ❌ |
| CC's Affordable Home Improvements | - | ❌ | ❌ | ❌ |
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 V53DeN Tankless Hot Water Heater, 5.3 GPM, Natural Gas, Outdoor Installation
Rinnai
V53DeN
18.0 x 18.0 x 31.2 inches
33.0 pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Big Frog Supply | - | ✅ | ✅ | ✅ |
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
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 29
Best for Rinnai
Best for Indoor
Best for Residential
Best for High Efficiency
Best for Rinnai
Best for 15 GPM
Rinnai RE199iN Non-Condensing Natural Gas Tankless Water Heater, Up to 7.6 GPM, Indoor Installation, 199,000 BTU
Rinnai
REU-VE2737FFD-US-N
10.77 x 14.05 x 27.28 inches
52.1 Pounds
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Rhino Supply | - | ✅ | ✅ | ✅ |
| Amazon.com | - | ✅ | ✅ | ✅ |
| eFaucets | 9,630 | ❌ | ❌ | ❌ |
| Voomi Supply | - | ❌ | ❌ | ❌ |
Features
Smart Design: Improved design of tankless hot water heater only heats when necessary to conserve energy; Speeds installation and enhances serviceability with a cleaner internal layout; LED screen provides service reminders and error codes
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This non-condensing indoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 7.6 GPM (6 fixtures at once)
Rinnai RUCS65iN Tankless Hot Water Heater, 6.5 GPM, Natural Gas, Indoor Installation
Rinnai
RUCS65IN
22.0 x 14.5 x 35.0 inches
highly efficient
Ratings for Rinnai (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| eFaucets | 9,630 | ✅ | ✅ | ✅ |
| Amazon.com | - | ✅ | ✅ | ✅ |
| Buildcom | 974 | ❌ | ❌ | ❌ |
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 10 Rinnai Tankless Water Heaters - Verified to Buy (September 2026)
- 1. Rinnai RE180iN Non-Condensing Natural Gas Tankless Water Heater, Up to...
- 2. NEW Rinnai RX160iN Condensing Smart Sense Natural Gas or Propane...
- 3. Rinnai V53DeP Tankless Hot Water Heater, 5.3 GPM, Propane, Outdoor...
- 4. Rinnai RXP199iN Condensing Smart Sense Tankless Water Heater
- 5. NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane...
- 6. Rinnai RE140iP Non-Condensing Propane Tankless Water Heater, Up to 5.3...
- 7. Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
- 8. NEW Rinnai RX130iN Condensing Smart Sense Natural Gas or Propane...
- 9. Rinnai REP160iP Smart-Circ Propane Tankless Water Heater
- 10. Rheem 18kW 240V Tankless Electric Water Heater
Top 8 Rinnai Tankless Water Heaters Brands on Amazon
Here is the list of top-rated brands that were evaluated by CherryPicks.
- Rinnai
- Rheem
- Ranein
- NOVIEEX
- FOGATTI
- xwdzswgs
- EcoSmart
- APUS
Related Rinnai Tankless Water Heaters Guides
For more personalized Rinnai Tankless Water Heaters guides, Check those pages,
Brand
Top 10 Rinnai 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. Woot : 264,925 Yearly Feedback , Avg. Ratings 4.8
- 2. Buildcom : 51,606 Yearly Feedback , Avg. Ratings 4.5
- 3. 718 Sold It : 8,956 Yearly Feedback , Avg. Ratings 4.8
- 4. eFaucets : 7,050 Yearly Feedback , Avg. Ratings 4.4
- 5. Big Frog Supply : 6,493 Yearly Feedback , Avg. Ratings 4.5
- 6. Westcoastsales : 2,310 Yearly Feedback , Avg. Ratings 4.6
- 7. Voomi Supply : 2,260 Yearly Feedback , Avg. Ratings 4.1
- 8. The Portland Group : 951 Yearly Feedback , Avg. Ratings 4.9
- 9. MTL Retailers : 498 Yearly Feedback , Avg. Ratings 4.1
- 10. Standard Plumbing Supply : 415 Yearly Feedback , Avg. Ratings 3.6
| Rank | Name | Yearly Feedbacks | Avg. Ratings |
|---|---|---|---|
| 🥇 | Woot | 264,925 | 4.8 |
| 🥈 | Buildcom | 51,606 | 4.5 |
| 🥉 | 718 Sold It | 8,956 | 4.8 |
| 4 | eFaucets | 7,050 | 4.4 |
| 5 | Big Frog Supply | 6,493 | 4.5 |
| 6 | Westcoastsales | 2,310 | 4.6 |
| 7 | Voomi Supply | 2,260 | 4.1 |
| 8 | The Portland Group | 951 | 4.9 |
| 9 | MTL Retailers | 498 | 4.1 |
| 10 | Standard Plumbing Supply | 415 | 3.6 |
[Get] Rinnai 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 Rinnai 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 Rinnai Tankless Water Heaters to buy for new September 2026?
CherryPicks’s Methodology for Evaluating Rinnai 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 234 of Rinnai Tankless Water Heaters reviews based on our selection criteria. It helped us shortlist the top qualified and rated Rinnai Tankless Water Heaters for Rough Plumbing, We found that most customers choose Rinnai Tankless Water Heaters with an average price of $834.09, and the top brands are EcoSmart, Rheem, Rinnai And FOGATTI.
Then our expert-level editors reviewed all those quality items and selected the top 30 Rinnai Tankless Water Heaters for you, We have researched hundreds of sellers and picked the top sellers for Rough Plumbing, including Amazon Resale, Woot, Buildcom, 718 Sold It, eFaucets, Big Frog Supply, Westcoastsales, Voomi Supply, The Portland Group, MTL Retailers, Standard Plumbing Supply And Amazon.com. The Rinnai RE180iN Non-Condensing Natural Gas Tankl... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 16 consumers with an average rating of 4.4.
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 Rinnai Tankless Water Heaters to buy.
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.