Best Lightweight Water Heaters in 2025

Safer for Bathrooms: Most space heaters don't work in bathrooms due to safety concerns and using heaters in bathrooms would also reduce product lifespan. However, Dreo ALCI safety plug that shuts off the small heater immediately in case of a short and contact with water, keeps you warm and safe in the bathroom during colder days. Made with V-0 rated flame-retardant materials, this portable heater has tip-over and overheat protection, 24h auto shut off provides the ultimate safety wherever it sits.

Cut the Wait: Thanks to extremely high thermal efficiency, Dreo 1500W PTC ceramics hit 75℉ in just 2 seconds, along with a powerful yet quiet brushless DC motor, you're to embrace all-around, pleasant warmth in a blink of an eye.

Heat Any Way You Like: Adjust temperatures from 41 to 95℉ in 1℉ increments, set a timer (1-12h), 70°oscillation and personalize your comfort at the touch of a button. Carry this 10.3-inch portable heater to your bathroom, living room, kitchen, bedroom, etc. and heat any way you like.

【ETL & UL CERTIFIED SPACE HEATER】This portable space heater is made from flame-retardant materials. With ETL and UL certification, this space heater is safe and reliable. The ceramic heater has OVERHEAT and TIP-OVER protection, it will automatically shut off if the temperature exceeds the limit value or is knocked over accidentally and back to work once it gets to a safe temperature inside or stands safely again.

【2 SECONDS WARM-UP】With PTC ceramic heating technology, 1500W output, and high-speed fan, this electric heater put out tons of heater to heat up 108 sq. ft. in seconds and produces no red light or flame. Angled legs make heat distribution wider and allow air to blow upwards. It's quiet enough to use in a bedroom while sleeping. Your ideal personal heater to keep your room cozy and get good sleep through the harsh winter.

【ADJUSTABLE THERMOSTAT】This small space heater features an adjustable thermostat control dial, easily preset the thermostat within the range of 41°F - 95°F. Always keep your room temperature at the most optimal level and reduce your power consumption. The electric heater is perfect for living rooms, bedrooms, studies, offices, garages, etc.

【Wider Heating & Advanced Heating Tec】Our infrared heater indoor outdoor is 42 inches high, and its heating tube is about two-thirds of its high, which can warm you and your family up from the feet to the whole body. This 1500-watt outdoor heater for patio features high-efficiency carbon fiber heating wire and offers instant & focused sunshine-like heat, directly transfers heat to the body so you can feel comfortably warm instantly, no need to wait in the cold for a long time.

【9 Optional Heat Levels】This electric indoor outdoor heater for patio is available in 9 heat modes, from 620W to 1500W, perfectly customized to meet your desired temperature that makes you feel nice and warm in the cold environment. The outdoor patio heater electric boasts a compact, space-saving design, making it ideal for outdoor or indoor use.

【1-9 Hours Timer】The timer function of Haimmy outdoor electric heater allows you to set a duration you need from 1-9 hours before going to sleep to prevent potential safety hazards and save energy. In winter, infrared patio heaters will be good company in a quiet way. The infrared space heater works silently since they don't use a fan - they just heat light! They're great for noise-sensitive environments to accompany you to sweet sleep and better work. Set the timer on the remote or press & hold the knob for 2s to enter/exit the timer setting.

HIGH QUALITY & LONG LAST - The 120V under sink water heater has UL listed and uses a glass-lined tank with good insulation, and freezing mode can prevent the water tank from freezing, ensure a long service life

EASY TO INSTALL & USE - Small water heater's dimensions 17.7 W × 17.7 H × 14.6 D inches can be shelves, wall, or floor-mounted (bracket included); Connect the water pipe, after filling the water tank, plug into the power supply (120V/12A), and it can be used normally

OVERHEAT PROTECTION - When the water temperature of the water heater exceeds 203°F, the under-counter water heater will automatically shut down. Protect the safety of you and your family

HIGH QUALITY & LONG LAST - The small water heater has UL listed and uses a glass-lined tank with good insulation, and freezing mode can prevent the water tank from freezing, ensure a long service life

EASY TO INSTALL & USE - On demand water heater's dimensions 14.5 W × 14.5 H × 12.9 D inches can be a shelf, wall, or floor-mounted (bracket included); Connect the water pipe, after filling the water tank, 43.3" cord plugs into the power supply (120V/12A), and it can be used normally

OVERHEAT PROTECTION - When the water temperature of the under sink water heater exceeds 203°F, the electric hot water heater will automatically shut down. Protect the safety of you and your family

【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.

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

🔥【INSTANT HEAT】Powered by DC motor and 9 blades. Say goodbye to the cold in seconds with our portable space heater featuring advanced PTC ceramic heater technology. TWO SMART heating modes and fan only mode, for Year-Round Comfort, A unique MAX function works continuously at 1500W.

🌱【FAREWELL TO EXPENSIVE ELECTRICITY BILLS】 When you are in the cold winter, heating and air conditioner is indispensable. HeaBoom electric space heater equipped with ECO+MCH dual-core energy-saving chip will help you save an expensive electricity bill.

🔥【MORE WIDESPREAD OSCILLATION】90° Oscillating Wide Angle Heating(others are 70°), HeaBoom small space heaters help heat up your room sooner, preventing too high temperature in the same direction, forming space circulation heating. The oscillating space Heater is perfect for any small room such as dining room, living room, bedroom, office. One Small Ceramic Space Heater Warm your Whole Family.

🏝️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.

【Wider Heating & Advanced Heating Tec】Our infrared heater indoor outdoor is 42 inches high, and its heating tube is about two-thirds of its high, which can warm you and your family up from the feet to the whole body. This 1500-watt outdoor heater for patio features high-efficiency carbon fiber heating wire and offers instant & focused sunshine-like heat, directly transfers heat to the body so you can feel comfortably warm instantly, no need to wait in the cold for a long time.

【1-9 Hours Timer】The timer function of Haimmy outdoor electric heater allows you to set a duration you need from 1-9 hours before going to sleep to prevent potential safety hazards and save energy. In winter, infrared patio heaters will be good company in a quiet way. The infrared space heater works silently since they don't use a fan - they just heat light! They're great for noise-sensitive environments to accompany you to sweet sleep and better work. Set the timer on the remote or press & hold the knob for 2s to enter/exit the timer setting.

【9 Optional Heat Levels】This electric indoor outdoor heater for patio is available in 9 heat modes, from 620W to 1500W, perfectly customized to meet your desired temperature that makes you feel nice and warm in the cold environment. The outdoor patio heater electric boasts a compact, space-saving design, making it ideal for outdoor or indoor use.

🔥【3 Heat Setting & Built-In Thermostat】: This oil-filled radiator space heater features 3 heating powers (600/900W/1500W), which allows you to select the desired warmth according to your heating needs. Besides, the built-in thermostat keeps the room temperature at the temperature you set to bring uninterrupted warmth while saving energy.

🔥【Dual Heating Tubes for Efficient Heating 】: With dual U-shaped heating tubes, a permanently-sealed oil reservoir and 7 heating fins, this electric oil heater will perform its powerful heating effect so that it can deliver 1.5 times more heat than the ordinary one to spaces of different sizes, such as study room, bedroom and living room. And it can heat up the space to 300 square feet.

🔥【2 Hanging Racks & Humidification Box】：Coming with 2 retractable handles and 1 cup holder on the top, you can keep towels that hang on the racks and bottles warm for use at all times. And on the back of the oil heater, there is a large 300ml capacity humidification box, you can add water into it to prevent the air too dry or to keep your skin without drying. The duration of the humidification can last 6H.

【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.

【18L 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, 4.75 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 4.75 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.

🏆【First-Class Features】This wall mount heater has 3 heating settings (500-1000-1500W), remote control, LED display, auto on/off ( 1-8 hours timer), overheat protection.

🌞【Superior Heater】Built with a carbon fiber heating tube and premium aluminum alloy This patio heater adopts infrared high power PTC technology, provides uniform and constant heat with low energy consumption for a soothing energy efficient experience for home or business use.

🌞【100% Guaranteed Safe】IP55 certified waterproof, this outdoor heater can stand rain and snow and is safe to use around water. It can be used outdoors or in the bedroom or bathroom. The negative pressure technology makes it explosion-proof, and joints are reinforced with special glue and screws.

【 Superior Rapid Heating 】 The electric space heater heats up in a gentle and rapid way within 1 second, making you feel warm and comfortable. The air can be heated to increase the temperature of the air and generate convective hot air throughout the room. The whole process is quiet and continuous, and will not be disturbed by noise during the heating process

【 Easy Installation & Remote Control 】 The on-off switch with remote control makes the heater very user-friendly. The stylish design includes aluminum housing and a stable hinged wall bracket. 30-degree adjustable tilt angle allows you to set desired radiating directions to get warm and relax

【 3 Heating Modes 】 The outdoor Infrared patio heater is equipped with 3 heating modes 500/1000/1500W which can be well adapted to different scenarios and needs, and the wall-mounted design make it ideal for both outdoor & indoor use, like a garage, patio, balcony, living room, cafe, office and workshops

☀️POWERFUL HEATING PERFORMANCE: Experience optimal warmth in your indoor and outdoor spaces with the CZPH30RSL electric heater. Equipped with a high-performance halogen infrared golden tube, this heater delivers an impressive heating power of 3000W. Say goodbye to chilly environments and enjoy the soothing and efficient heat provided by our heater. Whether you're relaxing indoors or spending time outside, this heater will ensure that your space remains comfortably warm.

☀️INSTANT WARMTH WITH ADJUSTABLE SETTINGS: Experience instant heat and customize your comfort with our patio heater. With three heat settings to choose from, you can easily find the perfect temperature for any occasion. Use the convenient full-function remote control to effortlessly adjust the electric thermostat, ensuring that your space is heated to your desired level of warmth. Whether you're hosting a gathering or enjoying a quiet evening outdoors, our patio heater provides quick and efficient heat for your ultimate comfort.

☀️DURABLE AND WEATHER-RESISTANT: Enjoy the outdoors all year round with our reliable electric patio heater. Built to withstand the elements, this heater is designed to resist water, rain, snow, wind, and dust. No matter the weather conditions, you can count on our patio heater to provide warmth and comfort for your outdoor seating area. Its sturdy construction ensures durability and longevity, allowing you to extend your outdoor seating season and make the most of your outdoor space.

Package Dimensions: 25.4 L x 63.5H x42.545W(centimeters)

Package Weight : 22.226 kilograms

Country of Origin: China

★The baseboard heater is intelligently heated: 135 pieces of aluminum fins are heated, and the heat is large.

★LED touch panel display: large control display, touch panel at a glance, easy to operate

★Intelligent constant temperature: 15-35 °C intelligent constant temperature heating, energy-saving mode, high-end operation for 10 minutes, then transferred to low-end operation for 30 minutes, has been circulating

[Safe to Use] Our tankless mini water heaters are made of stainless steel and high-quality ABS materials, which are strong, wear-resistant, rust-proof and durable. The product adopts a variety of protection, such as drying and heating protection, overvoltage protection, constant temperature anti-scald protection, overheat protection, grounding protection, etc., to make your use safer.

[Instant Heating] Our portable tankless water heater uses a 3500w high power stainless steel heating pipe. It can deliver hot water for you in about 3 seconds, saving your time. You can control the water temperature by adjusting the water flow (large/small water flow - low temperature/high temperature) and pressing the+/- button on the lower panel. (Controlled temperature: 68 ° F~131 ° F).

[Economical and Efficient] The water heater without water tank has 98% thermal efficiency. It can automatically adjust the power according to the change of water flow and temperature, which can save more energy. Only when you use it, the water will be heated to the required position, avoiding the waste of unused water at the connection.

【High Efficiency Heating】 convection heating with 2210W/2500W, graphene 3S fast heat and cold heat convection tubes for fast heating and cooling. Convection heaters can heat up to 30-square meters and distribute warm air faster and more efficiently in your room.

【Intelligent Energy Saving】 Equipped with a high precision intelligent chip when the room temperature reaches the set temperature, it intelligently detects the room temperature and compensates heat with low energy consumption to keep the room temperature constant.

【Multifunctional Design】Including touch control, remote control and other controls. Thermostatic adjustment, floor and wall mounting, waterproof according to IPX4, double use for living and bathing, easy and fast operation, space saving.

【High Efficient Heating】Convection Heating with a power of 3000W, with an aerospace aluminum housing, ABS plastic, graphene radiators, hot and cold convection channels, heating and cooling fast. Convection heating can heat an area of up to 25-square meters and allows a faster and more efficient distribution of warm air in your room.

【Intelligent and Energy Saving】 Equipped with a high precision intelligent chip when the room temperature reaches the set temperature, intelligent detection of indoor temperature, low energy compensation of heat to keep a constant indoor temperature, humidifier to increase the humidity in the room and get a balanced water molecule activity.

【Multifunctional Design】Including touch control, remote control, mobile phone and other controls. Thermostatic adjustment, floor and wall mounting, waterproof according to IPX4, double use for living and bathing, easy and fast operation, space saving.