10 Best Rv Tankless Water Heaters 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing products, scanning reviews, spending more than 36 hours of research and speaking with our test users, we think the Suburban SW6DE RV Water Heater Camper Trailer DSI Elec/lp w/White is the one of the Best Rv Tankless Water Heater on the market.

# Image Name Brand Price
1
⭐Best Choice
Suburban SW6DE RV Water Heater Camper Trailer DSI Elec/lp w/White
Suburban SW6DE RV Water Heater Camper Trailer DSI Elec/lp w/White Door Check price Suburban $$$$$ Check price
2
Best under $200
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4)
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted Check price Bosch Thermotechnology $$$$$ Check price
3
Best under $150
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt Check price Ecosmart $$$$$ Check price
4
💲Best value for the money
ECOTOUCH Tankless Water Heater Electric
ECOTOUCH Tankless Water Heater Electric, 1.5 GPM On Demand Hot Water Heater with Remote Control Digital Dispaly Energy Efficient 5.5kW at 240V, Black Check price ECOTOUCH $$$$$ Check price
5 EcoSmart ECO 11 Electric Tankless Water Heater EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology Check price Ecosmart $$$$$ Check price
6 SUBURBAN MFG Suburban Co 5243A Water Heater Sw10De W/H 10 SUBURBAN MFG Suburban Co 5243A Water Heater Sw10De W/H 10 Gal Dsi/Electri Check price N/A $$$$$ Check price
7 Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted Check price Bosch Thermotechnology $$$$$ Check price
8 Suburban Manufacturing Suburban Co 5239A Water Heater Sw6De W/H 6 Suburban Manufacturing Suburban Co 5239A Water Heater Sw6De W/H 6 Gal Dsi/Elec Check price N/A $$$$$ Check price
9
👑Premium Pick
PrecisionTemp RV-550 Tankless Water Heater
PrecisionTemp RV-550 Tankless Water Heater - Wall Vented Check price N/A $$$$$ Check price
10 Camptemp Propane Tankless Water Heater Camptemp Propane Tankless Water Heater,1.58GPM/6L Indoor&Outdoor Portable Gas Hot Water Heater.Easy to Install,Low Pressure Startup,Overheating Protection,Digital Display With Shower Head,Lightweight Check price Camptemp $$$$$ Check price

Suburban SW6DE RV Water Heater Camper Trailer DSI Elec/lp w/White – Best Overall Rv Tankless Water Heater

Suburban SW6DE RV Water Heater Camper Trailer DSI Elec/lp w/White

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) – Best under $200

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4)
  • CONVENIENT HOT WATER HEATER: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 13.5 D Inches
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water

Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater – Best under $150

Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater
  • Can provide hot water for one sink at 0.5 GPM in warmer climates
  • Requires 1 x 30 amp breaker and 10 AWG wire
  • For one sink at 0.5 GPM in colder climates the POU 6 is recommended
  • Amperage Draw 29 amp
  • Connection Fittings 1/2" NPT

ECOTOUCH Tankless Water Heater Electric – Best Budget Rv Tankless Water Heater

ECOTOUCH Tankless Water Heater Electric
  • 【INSTANT & SUFFICIENT HOT WATER】Applied with 5.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those "lukewarm" toys.
  • 【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.
  • 【CONVENIENT USE】The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you needn't go through hard lesson about temp setting by a mixer tap without any hint. The Black model comes with Remote control, useful for installation under sink.
  • 【SAFE and DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.
  • 【POINT of USE】The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: 5.5kW@240V; dimensions 11" x 7.5" x 2.35"; pipes fittings :1/2" NPT.

EcoSmart ECO 11 Electric Tankless Water Heater

EcoSmart ECO 11 Electric Tankless Water Heater
  • Lifetime warranty
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Never run out of hot water with an ECOSMART tankless water heater
  • Patented Self Modulating Technology and design
  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98

SUBURBAN MFG Suburban Co 5243A Water Heater Sw10De W/H 10

SUBURBAN MFG Suburban Co 5243A Water Heater Sw10De W/H 10
  • 10 gallon water tank
  • 12,000 btu rating
  • Weight: 46 lbs.
  • Ignition Type - Direct Spark Ignition

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5)

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5)
  • CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water

Suburban Manufacturing Suburban Co 5239A Water Heater Sw6De W/H 6

Suburban Manufacturing Suburban Co 5239A Water Heater Sw6De W/H 6
  • 6 gallon water tank
  • 12,000 btu rating
  • Weight: 32.9 lbs

PrecisionTemp RV-550 Tankless Water Heater – Premium Pick

PrecisionTemp RV-550 Tankless Water Heater
  • Designed specifically for RVs, trailers, tiny houses, cabins, mobile washing services, and more
  • Takes up 1/2 the space and weighs 1/3 as much as a 10-gallon tank
  • No pilot light and very high propane efficiency
  • Reliable, proven VariFlame technology control system
  • Designed, assembled and tested in the USA

Camptemp Propane Tankless Water Heater

Camptemp Propane Tankless Water Heater
  • Flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically decrease water pressure between 2.5-110PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or in case of long time no use. High water temperature protection over 167 °F. Shut off gas supply automatically under unexpectable flameout.
  • The propane water heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise. You will save a lot of money when you use our tankless water heater.
  • Use to campsites, cabins, or simply around the house. Wash your car, Wash your boat, take a hot shower, wash thUse to campsites, cabins, or simply around the house. Wash your car, Wash your boat, take a hot shower, wash the dogs or the horse,RV Cabin Barn Camping.e dogs or the horse,RV Cabin Barn Camping.
  • Energy saving technology. You can get instant endless hot water easily wherever you are.The portable hot water heater suit for the household,offering you a relaxing shower at home.Note:The type of water heater is only suitable for Liquefied Petroleum Gas. Please confirm the gas type before buying!
  • Camptemp portable tankless water heater has compact size and lightweight design allowing for a convenient carrying. Flame failure device, anti-freezing protection, over heating protection can ensure the family safety. Maximum power output 41,000BTU/Hr.Low water pressure start up, just need 2.5 PSI of water pressure. 1.58 gallons per minute of on-demand hot water. Fully adjustable heat and water flow.The maximum temperature raise is 114.8℉(46℃) and the minimum temperature raise is 46.4℉(8℃)。

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