Best Lightweight Water Heaters in 2025

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.

Versatile Applications: The lowest water pressure at beginning for the water heater is 3.0 PSI. For off-grid and rural areas, this hot water generator powered by two size D batteries is ideal. No more chilly outdoor shower anymore.

HEATS FAST + SIMPLE TO USE: You’ll have warm water in seconds, boiling water in just minutes. Fill your container, place the immersion heater in the liquid, then turn on the immersion heater. It’s that simple.

MAXIMUM SAFETY: Durable burn guard protects your coffee mug, cups, and bowls ensuring the coils never touch the sides of your dishes or containers. Safely heat coffee, tea, soup, hot chocolate, and more.

TRAVEL ADAPTER: Powered with a dual voltage system, (120 V for North America, and 240 V for Europe and other regions), and includes a European adapter and travel pouch; perfect for all your domestic and international travel needs

CSA Safety Standard -CSA safety standard approved portable tankless water heater,flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically decrease water pressure between 3.0-110 PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or in case of long time no use. The water heater will shut off automatically when high water temperature protection over 176 °F.

Lightweight Portable Design-Compact size weights 10 lbs with portable handle for easily carry. Hang it using the mounting bracket on the top/back of the gas water heater. It only takes you a 15 minutes to install the propane water heater.

Instant Hot Water- Maximum power output 28,000btu/hour, you can get 1.32 gallons instant endless hot water easily wherever you are. No need to preheat before operating the tankless water heater. As soon as you turn on the tap, the water flows with your desired temperature.

Portable, Lightweight Design: This portable water heater weights only 10 pounds and comes with folding handle keeps it out of the way and enables easy setup outside

Simple, Easy Hot Showers: The camplux portable hot water heater is easy to set-up. All you need is the water heater, gas bottle away you go! Adjust your temp is as just as easy. Find your perfect flow with the easy to use temperature dials.Setting up this propane water heater simply takes 10 minutes

More Showers with Less Water: Once you have your ideal temperature you can simply control your shower by switching the shower rose on / off. Giving you time to soap up while saving water.Turn on your shower head again and take off where you left

𝐋𝐢𝐠𝐡𝐭𝐰𝐞𝐢𝐠𝐡𝐭, 𝐂𝐨𝐦𝐩𝐚𝐜𝐭 & 𝐏𝐨𝐫𝐭𝐚𝐛𝐥𝐞 𝐃𝐞𝐬𝐢𝐠𝐧 - 11.61(L)*4.33(W)*17.32(H) inches, the 14 lbs lightweight portable water heater's folding handle keeps it out of the way and enables easy setup outside

𝐅𝐥𝐨𝐰 𝐑𝐚𝐭𝐞 & 𝐓𝐞𝐦𝐩𝐞𝐫𝐚𝐭𝐮𝐫𝐞 𝐒𝐩𝐞𝐜𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧 - Low water pressure start of 3.0 PSI allows you to enjoy 1.58 gallons of water in just a few minutes. The temperature raise is 122℉ at its highest point and 50℉ is at its lowest point of 1.58 GPM

𝐏𝐨𝐰𝐞𝐫 𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 & 𝐄𝐧𝐞𝐫𝐠𝐲 𝐒𝐚𝐯𝐢𝐧𝐠 - Maximum power output 41,000btu/hour with 11.5% energy saving technology, you will get instant endless hot water easily wherever you are. The propane water heater exchanger and main burner are designed with advanced combustion technology to decrease gas consumption and burning noise

【FAST WARM UP】 This heater has 2 heat settings: 1250 and 1500 watts. Use the higher setting(1500 WATT) to raise the room temperature quickly. When the desired temperature is reached use the lower 1250 WATT setting. It is usually sufficient to maintain a comfortable temperature.

【TIP OVER & OVERHEATER PROTECTION】Automatic Overheat Protection system will shut the portable heater off when the parts of the heater overheat. In this way the space heaters for indoor use will cool down quickly to avoid overheating. Tip-Over Protection will shut off the room heater if it gets knocked over accidentally to avoid accident happens.

【UNIQUE DESIGN】All Metal Body makes it strong and sturdy to use. Made from light weight steel, it's easy-to-carry and light weight heating equipment is travel friendly and user friendly. Max flow fan pushes heat further into the room. Thermostat automatically regulates heat for consistent room temperature.

Easy To Install -It only takes you 5 minutes to set up and it comes with all necessary accesories.To avoid gas leakage caused by improper sealing of the water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet pipe. The tankless water heater will "caught on fire "with improper operation. Always check gas leakage before operation.

4.22 Instant Hot Water-It only takes you a few minutes to get 4.22 gallons per minute of instant hot water. The camplux portable water heater lights when water pressure between 4.0-110 PSI, low water pressure is perfect for campings and remote cabins.

6-in-1 Protection Ensure Your Safety-Flame failure device, anti-freezing protection, over heating protection to ensure the family safety. The anti-freezing drain plug discharges the residual water to avoid freezing in cold areas for long-time maintenance. Gas supply automatically shut off when high water temperature protection over 167 °F.

CSA Safety Standard -CSA safety standard approved tankless propane water heater,flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically decrease water pressure between 3.6-110 PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or in case of long time no use. The propane hot water heater will shut off automatically when high water temperature protection over 176 °F.

Lightweight Portable Design-Compact size and weights 23 lbs for easily carry. Hang it using the mounting bracket on the top/back of the gas water heater. It only takes you a 15 minutes to install the propane water heater.

Energy Saving-Compact and light weight structure with 11.5% energy saving technology.The propane gas water heater exchanger and main burner are designed with advanced combustion technology to decrease gas consumption and burning noise.

CSA SAFETY APPROVED: Your family is safe with these protection features: auto-cut off water control, automatic ignition, anti-dry combustion protection, over-pressure, overheating, flameout protection, and anti-frozen protection

CONVENIENT, EASY TO INSTALL & USE: Compact and lightweight design allows for added convenient carrying; great for off-grid, road trips, camping, and any outdoor showers; perfect for bathing your pets, too!

68,000 BTU with FULLY ADJUSTABLE control knobs: Winter/Summer Setting, MIN/MAX Gas Setting, MAX/MIN Water Flow Rate Setting, Digital Water Temperature Meter

【Portable & Easy To Use】Camplux BW211 portable model has a compact and lightweight design for easy handling. Runs on a standard 20 lb. liquid propane tank and with an electronic ignition powered by 2 D-cell batteries, it’s easy to use

【Versatile Applications】 The lowest water pressure at beginning for the water heater is 3.6 PSI. This hot water powered by 2 size D batteries. No more chilly outdoor shower for off-grid and rural areas while you're camping, hiking, hunting, hanging poolside. You can also washing your pets or horses, cleaning your vehicle, or even in your tiny home, or remote cabins

【 Flow Rate & Temperature Range】 Maximum power output 55,000BTU/Hr and a temperature range of 18-95 ℉ max. Water flow rate at 1.1 GPM Min and up to 2.11 GPM Max. The water heater with Eco /Full switch, you can control the temperature easily

SAFE & PREMIUM:Instant Water Heater With high quality stainless-steel protect cover,will effectively prevent the heating element is in direct contact with people or animals ，it is rust proof and durable, design for long term use.Our immersion water heater has an intelligent temperature control design, which automatically cuts off the power when the water temperature reached 75℃. The quality is safe, stable and reliable, preventing dry burning.

FAST HEATING:1500W of power can make 5 gallons of water warm in a few minutes.Heat dissipates to the water faster by flowing through the holes in the guard.The heater needs to be completely immersed in water in working condition.Please take out the immersion water heater before touching the water! Do not use it for more than 3 hours continuously! Please do not plug the two heaters into the same outlet to avoid fire hazards.

WIDE RANGE OF APPLICATIONS:Our portable pool heater suitable for portable bathtub,mini pool(Using more than one),sink, bucket, washbasin,etc.Make sure the container can hold hot water when using it.This immersion heater is handy and super lightweight, making it perfect for travels and road trips.Note, it is not suitable for using in big swimming pool .

<p>☀[Heat water faster]: 2000W high-power immersion water heater can make 5 gallons of water warm in a few minutes. While camping can bring this portable bucket heater and can enjooy shower even outside .In the cold winter, you no longer need to wait for a long time for warm water. When you get an above grond pool heater , you can enjoy hot water in just a few minutes.</p>

❀[Safety Protection] This immersed portable hot tub heater with 304 stainless steel cover guard. Heating in water for a long time will not cause rust,effectively preventing burns. Bathtub heater comes with the digital LCD thermometer whcih can show the temperature easily and can enjoy with the comfortable warm water.Be sure the water is enough then plug it .

♥ [Easy to Use] Just put the US Version pool warmer for inflatables into the water and connect it to power supply without much fuss.. Please note that the heater must be completely immersed in water during use. Through water temperature measurement, you can base on temperature. Note: It is recommended that the continuous use of the tap water heater should not exceed 3 hours.If heat the small pool above ground inflatable pool please kindly check the pool size before purchasing.

🛁Double Safety Protection: According to customer demand, we have upgraded the electric heater with built-in temperature control and fuse. When the water temperature reaches a certain temperature automatically stop heating and maintain the temperature. The fuse can cut off the power to avoid fire, providing you with double safety protection and enjoy a comfortable soak at home. ⚠️Notes: The heater CANNOT be used with people/animals in the water.

🛁Fast Heating: 1500W high power fast immersion water heater can heat 5 gallons of ROOM TEMPERATURE WATER in minutes, saving energy and money. If you want to heat up for a shorter time, you can use 2 water heaters at the same time, but be careful NOT to use them on the SAME OUTLET. The heating time will be little longer in cold weather. We recommend a maximum use time of 3 hours. And this immersion heater is ONLY for WATER HEATING.

🛁Simple Operation: Immersion water heater is easy to use, make sure the immersion water heater is fully immersed in water and the water level is sufficient before powering it on. Please do NOT touch water during use. If you do need to touch water, make sure to unplug the power first. You can also use the thermometer probe to measure the water tempetature, simply place it in the water.

☀[Heat water faster]: 1500W high-power immersion water heater can make 5 gallons of water warm in a few minutes. While camping can bring this portable bucket heater and can enjooy shower even outside .In the cold winter, you no longer need to wait for a long time for warm water. When you get an above grond pool heater , you can enjoy hot water in just a few minutes.

❀[Safety Protection] This UL Certified immersed portable hot tub heater with 304 stainless steel cover guard. Heating in water for a long time will not cause rust,effectively preventing burns. Bathtub heater comes with the digital LCD thermometer whcih can show the temperature easily and can enjoy with the comfortable warm water

♥ [Easy to Use] Just put the US Version pool warmer for inflatables into the water and connect it to power supply without much fuss.. Please note that the heater must be completely immersed in water during use. Through water temperature measurement, you can base on temperature. Note: It is recommended that the continuous use of the tap water heater should not exceed 3 hours.If heat the small pool above ground inflatable pool please kindly check the pool size before purchasing.

INSTANTANEOUS HOT WATER HEATER- 3.5kw mini tankless electric water heater differs from a conventional storage type mini water heaters, it fits under your bathroom sink or kitchen sink to provide hot water right where you need it

SAFE PROTECTION- The 3.5kW tankless water heater comes with overheat protection. ETL safety certified, ensure your safety. Stainless steel and copper component for high efficiency and durability

SAVE ENERGY- Temperature ranges from 85°F- 131°F. Tankless water heaters provide instantaneous heating and on-demand hot water without preheating, saving up to 50% in energy consumption

🔥【PREMUIM QUALITY】: Usb jacket heater Adopting soft fabric with built in insulation fiber heating material, comfortable and wear-resistant, durable for use. You can directly put it into your jackets, vests and other clothes for warming and heat. USB electric cloth heater is powered by power bank, such as computer, power adapter and so on.(Not included)

🔥【THREE GEAR SWITCH INSTRUCTIONS】: Usb powered heater The three gear temperature adjustment is setted according to the temperature usage of the human body. The red, blue and green lights are designed to quickly identify and debug to the appropriate gear temperature

🔥【FOLDABLE & WATERPROOF】: Heater Use Foldable and water resistant to a certain degree, heating evenly, good heating efficiency, washable, but do not immerse it in water for long time. USB Electric Cloth Heate Application Area is included clothes, vests, waists, abdomens, pets and so on, can be washed, bent, rubbed, stitched on clothes

【Tips】 The instant hot water heater does not store water (Water Temperature Range: 35-50℃, Voltage:AC 110V;Wire Requirements:2.08mm² Copper wire (#14 awg wire); )Trip switch:≥32A(Otherwise it will trip).The outlet water temperature depends on the inlet water temperature and water flow. The larger the water flow, the lower the temperature, the smaller the water flow, the higher the temperature.

【Instant Heating】Voltage:AC 110V;Wire Requirements:2.08mm² Copper wire (#14 awg wire); Trip switch:≥32A(Otherwise it will trip).24 hours ready to continuously supply instantaneous hot/warm water.NO standby energy consumption. NO wait for tank to fill up.

【Easy to Use】The upgraded tankless water heater can be controlled by remote control and button,and the operation is simple and free to adjust the temperature.Lightweight and easy to install vertically facing up or down. Small and exquisite water heater saves space,installation and disassembly simple.

🏝️Product Parameters: Applicable Water Pressure Range: 3.0-145 PSI; Maximum Power Output: 41,000btu/Hr; Water Output Per Minute:1.6GPM/6L; Item Dimensions LxWxH: 11.42x4.9x14.57 inches; Weight: 13.3 pounds. Efficient and energy-saving, lightweight and convenient.

🏝️Excellent Performance:【Instant hot water】: Instant and continuous supply of hot water whenever you need it.【High efficiency and energy saving】: It has two combustion modes in summer and winter, and both the heat exchanger and the main burner adopt the most advanced energy-saving combustion technology, which can reduce gas consumption and noise while ensuring the continuous supply of hot water.

🏝️High Safety Security: Our propane water heater have multiple safety protection settings【Overheat Protection】: When the water temperature exceeds 167℉, the gas supply is automatically shut off.【Anti-freeze Protection】: The anti-freeze drain plug can drain the residual water and avoid freezing when the temperature is low or when it is not used for a long time.

SAFE & PREMIUM:With high quality stainless-steel protect cover,will effectively prevent the heating element is in direct contact with people or animals ，it is rust proof and durable, design for long term use.Our immersion water heater has an intelligent temperature control design, which automatically cuts off the power when the water temperature reached 75℃. The quality is safe, stable and reliable, preventing dry burning.

FAST HEATING:1500W of power can make 5 gallons of water warm in a few minutes.Heat dissipates to the water faster by flowing through the holes in the guard.The heater needs to be completely immersed in water in working condition.Please take out the immersion water heater before touching the water! Do not use it for more than 3 hours continuously! Please do not plug the two heaters into the same outlet to avoid fire hazards.

WIDE RANGE OF APPLICATIONS:Our portable water heater is suitable for portable bathtub,mini pool(Using more than one),sink, bucket, washbasin,etc.Make sure the container can hold hot water when using it.This immersion heater is handy and super lightweight, making it perfect for travels and road trips.Note, only for water heating.

【Premiun Water Heater】-Tankless Water Heater with CSA Approved Regulator, with more safety protection such as flame failure device, anti-freezing protection,over heating protection,Just need 3.6PSI of water pressure,4.74 gallons of hot water can be output per minute. The maximum temperature raise is 167 °F,Applicable only Propane（LPG)

【Efficient & Energey Saving】-The Propane Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.Maximum power output 68,000btu/hour, you will get instant endless hot water easily wherever you are.Compact and lightweight structure with 11.5% energy saving technology,so you can get more hot water for less money.

【Portable Design】-Portable Water Heater size and lightweight make the water heater easy to carry and allow you to enjoy an amazing hot shower after a long day of camping, in your RV, or for giving your pet a bath,Size: 24.23x5.9x13.4 inches,Gas Hot Water Heater is Powered by 2 pcs size "D"cell Batteries.

【Tips】 The instant hot water heater does not store water (Water Temperature Range: 35-50℃).The outlet water temperature depends on the inlet water temperature and water flow. The larger the water flow, the lower the temperature, the smaller the water flow, the higher the temperature.

【Instant Heating】Voltage:AC 110V;Wire Requirements:2.08mm² Copper wire (#14 awg wire); Trip switch:≥32A(Otherwise it will trip).24 hours ready to continuously supply instantaneous hot/warm water.NO standby energy consumption. NO wait for tank to fill up.

【Easy to Use】The upgraded tankless water heater can be controlled by remote control and button,and the operation is simple and free to adjust the temperature.Lightweight and easy to install vertically facing up or down. Small and exquisite water heater saves space,installation and disassembly simple.

💦【Approved Safety】Safety Standard approved HOPERAN Tankless Water Heater, safe as per Canadian and US Standard. More than 6 protection methods; for example: overheating protection, antifreeze protection, flameout protection, etc.. Upgrade: Install a stainless steel fire baffle below the combustion device, which can effectively prevent sparks from damaging the pipeline below, to ensure the safety of the propane camping shower

💦【On Demand Hot Water】Fully adjustable heat and water flow. Maximum power output 41,000BTU/Hr, easily get instant and endless hot water wherever you are. Propane water heater don't need to preheat before use. As soon as you turn on the faucet, the water will flow out at the temperature you want. Low water pressure starts, requiring only 2.9 PSI of water pressure. Produce 1.6 gal of on-demand hot water per minute. ❤Note: The water heater can only be started when the water source is connected

💦【High Efficiency & Energy Saving】: With automatic ignition and flameout mode. The shower head is open, the propane water heater is auto-ignition. The shower head closed, the propane water heater auto-flameout. And has two combustion modes in summer and winter, which can effectively reduce consumption. Both the heat exchanger and the main burner use the most advanced energy-saving combustion technology, which reduces gas consumption and noise while ensuring a continuous supply of hot water

【12L Tankless Water Heater】TCFUNDY Tankless water heater with compact design saves more space and energy efficient than traditional water heaters. Using at 3.63 - 116 PSI of water pressure, 3.17 gallons of hot water can be output per minute, the maximum temperature raise is 75℃/167℉. Applicable only propane gas (LPG).

【Efficient & Energey Saving】High efficiency propane gas tankless water heater delivers 3.17 GPM of instant hot water, no more waiting for long time. The heater exchanger and main burner adopt mostly advanced energy-saving and combustion technology to decrease gas consumption and burning noise.

【Safety of Use】The hot water heater has overheat protection, dry combustion protection, flame failure protection, low water flow protection, high water pressure protection, Manifold Auto Protection. In order to avoid freezing in cold weather or in case of long time no use, please drainout the remaining water after using.

Tank Capacity: Our heating stove is available in 6L.

More Efficient Heating: The combustion chimney is made of special metal, so that the kerosene can be fully burned, and the heating is faster and more efficient.

High Calorific Value: High calorific value and large heating range. The maximum calorific value is 9170 BTU/H(equivalent to 2310 kcal), and the fuel consumption per hour is 0.24~0.28L. Can make the room of about 20 square meters rise rapidly.

●Indoor kerosene heater Multipurpose : High quality oil stove extends time outdoors, can be used indoors, camping, gardens, restaurants, beer gardens, tents, party tents, balconies or covered patios. A kerosene stove with an iron frame on top that can be used as a grill, stove and fondue when heating. Can be used for heating, boiling water, cooking.

●High calorific value : The combustion efficiency of the kerosene heater is 99.8%, the calorific value is high, and the heating area is large. Has a good heat output with a maximum heat output of 9000 BTU/H (equivalent to 2300 W) and a fuel consumption of 0.2- 0.25L per hour. It can quickly heat a space of about 20 -30 square meters.

●Lightweight : The empty weight of 11lbs makes it very mobile and flexible to use. Our heaters are available in 4.6/6 Liter options and come, Comes with storage bag and filler tube for easy portability and fueling, and comes with 8 cotton wicks for 2 year.

☞【More efficient kerosene heating】The combustion chimney of the indoor portable kerosene stove without electricity is made of special metal, which makes the kerosene burn completely, and the heating is faster and more efficient. The oil heater has 6 wicks and 2 gloves.We have two options of 4.6L and 6L, please purchase according to your needs.

☞【High calorific value】The combustion efficiency of the kerosene heater is 99.8%, the calorific value is high, and the heating area is large. Has a good heat output with a maximum heat output of 10000 BTU/H (equivalent to 3000 W) and a fuel consumption of 0.25 l per hour. It can quickly heat a space of about 20-25 square meters.

☞【Energy saving and protection design】Emergency heater does not need electricity. The furnace acts as an emergency heater,