Best Tankless Water Heater Reviews - April 2024

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

This Smart Technology electric tankless water heater is configured as a "whole home" model for climates where incoming water temperature is 67°F and above. This model is well suited for heating up to 2-Gallon per minute, which is the equivalent of one shower head (with a 1.5 gpm flow) and one sink with a low inlet water temperature of 67°F and an output setting of 105°F. Digital Temperature Control allows you to set your temperature in increments of 1 Degree. This model can also be used in colder climates as a Point of Use for a sink or other low flow application. All tankless water heaters... [Read More]

• ASIN: B001LZRF9M
• UPC: 854920002022
• ASIN: B001LZRF9M
• Brand: Ecosmart
• Size: 12 x 8 x 4
• Manufacturer: Ecosmart

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 7-Gallon (ES8) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

120V - requires hard wiring. 1440W element. Magnesium anode rod. Rectangular shape with 2" of foam insulation. Glass lined tank for longer life. 6 year on heater and 1 year on parts for both commercial and residential use. Temperature/pressure relief valve included. Can be mounted both horizontally or vertically. Mounts on floor or wall. Meets ASHRAE 90. 1. See Info Page for technical and installation specifications.

• ASIN: B0148O64JE
• UPC: 052575049984
• ASIN: B0148O64JE
• Brand: Bosch Thermotechnology
• Size: 7-Gallon
• Manufacturer: Standard Plumbing Supply

Girard 2GWHAM On-Demand Tankless Water Heater

Girard's new 2GSWH is the culmination of years of research and experience. We listened to our customers and incorporated everything they wanted into our new Tankless Water Heater. Endless hot water that is easy to operate, turn on the hot water and add cold water to the desired temperature. The on-board micro-processor monitors the incoming cold water temperature, the flow rate and the outgoing hot water temperature to maintain a constant, steady hot water flow.

• ASIN: B019BWN8E2
• UPC: 846611000561
• ASIN: B019BWN8E2
• Brand: Girard Prod
• Manufacturer: GIRARD PROD

Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, small, GREY

Professional classic® tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications

• ASIN: B01MR7Z39V
• UPC: 020352685335
• ASIN: B01MR7Z39V
• Brand: Rheem
• Size: Small
• Manufacturer: Rheem

ECOTOUCH Electric Tankless Water Heater Point-of-Use Hot Water Heater Digital Display for Energy Efficiency 5.5kW at 240V, White

FEATURESInstant hot water comes with powerful 5.5kW heating element, expect hot water for 3 seconds, perfect choice for sinks to provide endless hot water any time.ENERGY SAVINGThis tankless water heater avoids standby heat loss of those bulky storage water heaters, minimize energy waste and achieve 65% energy saving with help of its smart self adjustment technology.HEALTHY WATER QUALITYTraditional bulky water tanks store water for long time, causing bacterial growth and rust issue, time to get clean water via a tankless hot water heater. The ECOTOUCH unit separates water and electricity line ... [Read More]

• ASIN: B07MDZC6KG
• UPC: 631105420426
• ASIN: B07MDZC6KG
• Brand: ECOTOUCH
• Manufacturer: ECOTOUCH

Rheem 240V 3 Heating Chambers RTEX-24 Residential Tankless Water Heater

Professional classic® tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications

• ASIN: B01MS9DVEE
• UPC: 020352685397
• ASIN: B01MS9DVEE
• Brand: Rheem
• Manufacturer: Rheem

Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater

Professional classic® tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications

• ASIN: B01NAUZJPE
• UPC: 020352685328
• ASIN: B01NAUZJPE
• Brand: Rheem
• Manufacturer: Rheem

3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers

The 3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS is designed to help reduce scale build-up and corrosion - thereby helping to extend the life on hot water-using appliances such as water heaters (standard (gas or electric) and tank-less), boilers, clothes washers and dishwashing machines, and on plumbing fixtures like faucets, pipes, and shower heads. The AP430SS provides flow of up to 10 GPM with ¾” NPT inlet/outlet connections. Scale is calcium and magnesium deposits that often form when hard water is heated. Water hardness is responsible for most scale formation i... [Read More]

• ASIN: B000NKETXQ
• UPC: 806294983278
• ASIN: B000NKETXQ
• Brand: 3M Aqua-Pure
• Size: medium
• Manufacturer: Aqua-Pure

Camplux 10L Outdoor 2.64 GPM Digital Display Portable Propane Gas Tankless Water Heater

1.The Camplux BW264 is ideal for camping, beach or family vacations mountain cabins horse stables etc. 2.It can be also mounted indoors where is well ventilated if a flue pipe is intalled additionally.(the flue pipe not included) 3.Camplux water heater is with innovative combustion tecnology and advanced multiple protection systems to ensure your safety. 4.Turn the ignition on with 2 "D" batteries whenever electricity is not accessible! 5.Applicable water pressure from 3.6ï½110.0 PSI.Hot water output 2.64 gallons per minute, work easily with great performance. 6.The operating propane gas p... [Read More]

• ASIN: B01CJPU7ZQ
• UPC: 769700686487
• ASIN: B01CJPU7ZQ
• Brand: CAMPLUX ENJOY OUTDOOR LIFE
• Size: 10L
• Manufacturer: Camplux

TANKLESS LPG GAS WATER HEATER (LOW PRESSURE STARTUP) 1.6 GPM VENTFREE (PROPANE)

LPG GAS (PROPANE) Exclusive "Low Water Pressure" Startup Technology * Starts up with only 2 psi of water pressure !!! , and up to 120 psi All other tankless gas water heaters require a pressurizer pump , or at least 20 or 30 psi to startup due to their outdated techonologyIt is Ideal for RV' s, CAMPERS, RURAL CABINS small apartments, flats, hunting cabins as well as boats, sailboats, and mobile homesThe Excel heater saves energy and water by instantly delivering hot water upon opening the hot water tap. Its unique and beautiful design will lavishly decorate your kitchen or laundry room. What i... [Read More]

• ASIN: B01D7M7CT4
• UPC: 707239100111
• ASIN: B01D7M7CT4
• Brand: Excel
• Manufacturer: gasFlex

Marey Power Gas 10L 2.7 GPM Natural Gas Digital Panel Tankless Water Heater

• ASIN: B009EFVS8A
• UPC: 764177000293
• ASIN: B009EFVS8A
• Brand: MAREY
• Size: NG
• Manufacturer: Marey

Camplux 16L Outdoor 4.22 GPM Digital Display Propane Gas Tankless Water Heater

The Camplux BW422 is ideal for camping, family vacations ,mountain cabins, horse stables etc. It can be mounted indoors where is well ventilated if a flue pipe is intalled additionally.（flue pipe not included)  With innovative combustion tecnology and advanced multiple protection systems to ensure your safety.  2 "D" cell batteries are required for ignition.（Batteries are not included). Applicable water pressure from 3.6～110.0 PSI, work easily with great performance.  Operating propane gas pressure is 0.4PSI. 7.Maximum power output is 110,000btu/hour.  The gas water heater can't be... [Read More]

• ASIN: B01I1FU1FE
• UPC: 769700686623
• ASIN: B01I1FU1FE
• Brand: CAMPLUX
• Size: 16L
• Manufacturer: CAMPLUX

Marey ECO150 220V/240V-14.6kW Tankless Water Heater with Smart Technology, Small, White

The Marey ECO150 14. 6Kw unit is ideal for up to two simultaneous points of use increasing incoming water temperature up to 41°f at a 2. 5Gpm water flow rate. The Marey eco series tankless water heaters are the only ones in the market to include a German-designed, patented heating element with a stainless steel water channel. This high quality component is corrosion resistant and reduces hard water build up from chlorine and calcium.

• ASIN: B073ZJFHJK
• UPC: 764177000439
• ASIN: B073ZJFHJK
• Brand: MAREY
• Size: Small
• Manufacturer: Marey

Bosch Electric Tankless Water Heater - Eliminate Time for Hot Water - Easy Installation

The Bosch US3 Tronic 3000 electric tankless water heater is designed to provide an endless supply of hot water to kitchen, bathroom, and handwashing sinks. This 3.4 kW electric heater eliminates long waits for hot water by using a dual chambered copper heat exchanger. The unit runs at 98% thermal efficiency, so stand-by loss is minimal. Plus, it mounts on the wall in any direction and is compact and lightweight, making it a great choice for a variety of spaces. This item requires professional installation and hardwiring. With its top performance specifications and versatility, the US3 Tronic 3... [Read More]

• ASIN: B00ELGB58U
• UPC: 052575112817
• ASIN: B00ELGB58U
• Brand: Bosch Thermotechnology
• Size: 3.4 kW
• Manufacturer: Bosch

Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini Tank Water Heater

Save water by eliminating the wait for hot water to reach the faucet. Simply tap into the water line and install the heater directly at the sink. No need for costly recirculating lines and pumps. And when you want to eliminate the wait for hot water but need more volume, install the Eco smart heater in-line with a larger hot water source, such as a tankless heater or a storage tank heater. Lightweight and compact, these units plug into a standard 110 volt outlet.

• ASIN: B00M05ISBQ
• UPC: 854920002374
• ASIN: B00M05ISBQ
• Brand: Ecosmart
• Size: ECO MINI 2.5
• Manufacturer: Ecosmart

Eccotemp L5 Portable Outdoor Tankless Water Heater

Enjoy a shower in the ideal temperature no matter where you are with the Eccotemp L5 Portable Outdoor Tankless Water Heater. This water heater is compact and efficient. It can be easily transported and set

• UPC: 49317402
• Model: L5
• Color: White
• Size: L5
• Rating: 3.8

EcoSmart ECO11 240V 11 kW Electric Tankless Water Heater

Save up to 60% on your water heating cost with an EcoSmart electric tankless water heaterProvides continuous hot water for ultimate conveniencePatented Self Modulating technology and designDesigned with standard and reliable easy to service elements

• UPC: 37470817
• Model: ECO 11
• Color: Multicolor
• Size: ECO11
• Rating: 4.4

TCMT 4.8 GPM 18L Tankless Water Heater LPG Liquid Propane Gas Instant Hot Boiler with Digital Display

Gas Type: LPG Liquid Petroleum Gas (PROPANE)Capacity: 18L/min (4.8Gal), 25 degrees warm water producing rateWorking temperature:-8-45℃Thermal input: 36KWThermal efficiency: ≥80.8%Temperature rise: 25℃Minimum working water pressure: 0.025MPaGas pressure: 2800PaGas pipe: G 1/2"Water Inlet: G1/2"Water Outlet: G1/2"NPT

• UPC: 288034173
• Model: TCMT-LPG-18L
• Color: White

Camp Chef Triton 5 Liter Gas Portable Camp Water Heater with Shower Head | HWD5

The Camp Chef HWDS Triton Hot Water Heater is a handy piece of equipment to have for enjoying warm water almost anywhere. It is basically a gas-powered water heater that is portable and can be

• UPC: 10363535
• Model: HWD5
• Color: Gray
• Size: 5 L
• Rating: 4.3

TCMT 1.6 GPM 6L Portable Tankless Water Heater LPG Liquid Propane Gas Instant Hot Boiler with Digital Display for Outdoor RV

Gas Type: LPG Liquid Petroleum Gas (PROPANE)Capacity: 6L/min (1.6 GPM), 25 degrees warm water producing rateGalvanized pure copper tankDigital temperature displayWorking temperature: -8-45℃Thermal input: 16KWThermal efficiency: ≥80%Temperature rise: 25℃Minimum working water pressure: 0.02MPaGas pressure: 2800PaGas

• UPC: 767903334
• Model: TCMT-LPG-6L
• Color: White

Atmor 13kw/240V Supreme Series Electric Tankless Instant Water Heater, Point of Use

Save Energy, Water, Money , Time - Atmor offers the efficient and convenient water heating solution you have been looking for. Atmor 13kW/240V Supreme Series Point-of-Use Tankless Electric Instant Water Heater provides an unlimited flow

• UPC: 172889900

Eccotemp 45HI-NG Indoor Natural Gas Tankless Water Heater

The Eccotemp 45HI-NG is the largest indoor model of the Eccotemp tankless line. Rated at impressive 6.8 GPM and 140,000 BTU per hour, the 45HI-NG can meet all the hot-water needs of a standard home

• UPC: 49317398
• Model: 45HI-NG
• Color: White
• Size: Natural Gas
• Rating: 4.0

BestEquip 16L Propane Hot Water Heater 4.3GPM 32KW Tankless Instant Boiler Stainless Steel Liquefied Petroleum Gas Water Heater with Shower Head Kit Wall-Mounted Water Heater

16L Propane Tankless Water Heater 4.3GPM 32KWSpecificationsTankless 16L Gas Water Heater 4.3 GPMHeat Output Power: 32 KWGas Pressure(LPG): 2800 PaUse Gas Type: Liquefied Petroleum Gas (LPG)Rubber Gas Hose(Outer diameter): 20 mm / 0.79"Suitable Water Pressure:

• UPC: 176980521
• Size: 16L, Propane
• Rating: 4.2

HERCHR Water Heater, 110V 3000W Mini Electric Tankless Instant Hot Water Heater Bathroom Kitchen Washing US, Hot Water Heater, Instant Water Heater

Features:Thisis a water heater for the application of changing the cold water intohot water and it will meet your various needs such as used in kitchen,bath room, public restroom, etc.It is a high efficient water

• UPC: 242640237
• Color: Red

Marey 3.1GPM 10L Natural Gas Tankless Water Heater Instant Hot Water

The MAREY GA10NG Indoor Natural Gas Tankless Water Heater can provide up to 4.3 Gal. per minute for a perfect shower at 115°F output water temperature. It is also called water heater on demand, because

• UPC: 40276036
• Model: GA10NG
• Color: Silver
• Size: 10 L
• Rating: 3.8