Best Portable Swimming Pool Heaters in 2025

CONTINUOUS FLOW – Advanced Flow Control patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. It’ll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again

SPACE & ENERGY SAVER – Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required. Eco friendly unit saves energy with auto-modulation and the ability to electronically control water flow. Savings monitor even shows how much you save on energy costs

EASY OPERATION – Electronic switch activates the hot water heater and it’s noise free while in use. Has a digital temperature display and preset temperature and memory buttons, while the interior solid copper heating system does all the power work

【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.

Pool heating capacity up to 11,900 gallon 155 kBtu/hr fresh pool based on 60°C (140°F) temperature difference between incoming heating and heated water

Fully made of high grade anti-corrosion stainless steel 316L for swimming pool, spa, hot tub with chemical treatment.

1 year warranty to cover manufacturer defects.

1.58 GPM Hot Water Heater -Rated at 1.58 GPM, this on demand water heater provides endless hot water on demand, it’s more efficient and energy-saving, saving up to 98.95 % on water heating costs

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

Easy & Safety Installation- Camplux BW158G heater comes with 1-year guarantee, 5 feet premium on/off shower head, 5 feet gas regulator, 1 set US-standard garden hose, and 1 installation hardware pack. Setting up this propane water heater simply takes 10 minutes

Heavy duty and rust resistant: the metal fire pit is made of durable thick cast iron with the thickness of 2.28 millimeters; this fire bowl has a finishing with a black high temperature paint for heat and rust resistance to ensure long lasting quality and functionality for all weather types.

Easy to set up: easy to assemble and will take 5 minutes to complete;provides a relaxing fire and warmth for you when you were still swimming in the pool and the evening air was cool.The fire pit is nice for recreational use,for a patio,deck, backyard or while camping.

Large sizr design: the fire bowl is 28 inches in length by 10.9 inches height and the weight of 19 pounds; base is 2 inches thick, which makes the fireplace large and deep to make a large fire or a small fire.Portable handles allows the fire pit to be moved anywhere according to your needs.

BEST FOR: In-ground pools and spas with a surface area up to 750 ft. where natural gas is available. Its low environmental impact makes it ideal for pools and spas located where low-NOx emissions are required.

PREMIUM PERFORMANCE: The Hayward Universal H-Series 250,000 BTU Natural Gas Heater delivers fast premium heating performance for years of reliable, long-lasting comfort.

CORROSION PROTECTION: The Universal H-Series boasts exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.

EASY TO INSTALL: Full SunQuest panel systems are available to satisfy all your needs. Placed on the Ground, these units include everything you need to connect to your existing pool hoses. More cost-effective than an Electric or Gas heater

EXTENDED SWIMMING: A solar pool heater sized and installed correctly, will raise your pool water 10 ℉, keeping your pool warm and extending your swimming season. Use a Liquid Solar Blanket or cover to maintain the heat for optimal results

DURABLE AND RELIABLE: Premium quality, superior technology, high-rated performance, and second-to-none reliability. They simply work - and keep on working

SOLAR POOL HEATER: The GAME SolarPRO Curve Solar Pool Heater has been designed for above-ground and most inground pools. It increases the pool temperature by 5 degrees in 4 days (for an 8,000-gallon pool).

DURABLE CONSTRUCTION: We’ve designed this above-ground solar pool heater with high-quality materials that will hold up against frequent exposure to the sun and outdoor elements.

UNIQUE CURVED SHAPE: The GAME solar pool heater has been engineered with a unique curved shape that maximizes heat collection. The treaded ports have been added for versatile plumbing options.

[Immediate heating] (Do not touch water during use to prevent electric shock!!!)The bathtub heater has a rated power of 1500W, which can quickly heat 5 gallons of water. The outer shell is made of high-quality stainless steel and has a porous design with good thermal conductivity.Note: Our products are not suitable for heating swimming pools, only suitable for heating bottled water or bathtubs.

[Safe and reliable] The heater has an automatic power-off function. When the water temperature reaches about 120~160 degrees Fahrenheit, the water heater will automatically stop heating, effectively avoiding fire.Notice: Do not touch water during use to prevent electric shock!The probe of the thermometer needs to be placed at the top of the water instead of the bottom, so that the temperature can be displayed normally.

[Easy operation] Just immerse the heater completely in the water. It is best to lay the heater horizontally at the bottom of the bathtub. Be careful not to touch the water with your hands when working. If the thermometer does not work, please contact customer service for replacement.

Simple DIY installation; for in ground or above ground pools

Installs on roof, rack, ground or fence

Patented web design for maximum exposure to sun's rays

<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.

Enjoy your pool and easily heat up your above-ground swimming pool with renewable energy; FAFCO's Connected Tube (CT) design is the most efficient solar panel available

FAFCO is the oldest and largest solar pool heating manufacturer in America; Every unit is inspected and tested and made from stabilized polyolefins for a long life

Works with most above-ground pools, pumps, and filters; Starter Kit included

【2000W Ultra Fast Heating】2000W immersion water heater heats up faster. When you're out camping or traveling, the high-power travel bucket water heater can quickly heat up 5 gallons of water in minutes, saving you time and power consumption.Faster than 1500W immersion water heater.

【Easy to Operate】The design of the submersible portable water heater is simple. Small size, easy to carry when you travel, (How to use: Please make sure the immersion heater is fully immersed in water, and then connect the 125v/110v power supply. Equipped with a digital LCD thermometer, after heating for a period of time, put the probe into the water to test the water temperature.)

【Upgrade Design】2000W High power Immersion heater adopts a stainless steel protective shell, with a solid structure, high bending strength, and very safe. Below the protective hole, the heat is released faster. The bottom drainage design adopts high-temperature and wear-resistant material to drain to prevent accidental injury.

🛁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.

☀️【Eco-friendly Way to Heat Your Pool】With no electricity or gas connection needed, our pool heater absorbs and magnifies the solar rays within its streamlined housing and heats the water in your swimming pool thoroughly and quickly, which is eco-friendly and also economical.

☀️【Longer Swimming Season】This solar heater features an innovative dome design that provides better heat transfer than traditional solar systems, and also eliminates the need to set aside yard space for conventional solar panels. Each heater can heat water up to 2641 gallons.

☀️【Easy Installation & Storage】It's easy to install this water heat equipment with detailed instructions in a few minutes. When using this heater, please prop the two legs up to align the coil with the sun for maximum efficiency. And when not in use, the legs can be folded on the bottom to save space.

HEATS UP POOL: Uses solar technology to increase the temperature of the pool water by approx. 5° 9° F depending on weather condition

FOR ABOVE GROUND POOLS: Suitable for above ground pools up to 8000 gallons

COMPATIBLE WITH: Compatible with filter pump up to 1/2 hp or pump flow rate < 2500 gal/hr

Double Safety Protection: According to customer demand, we have upgraded the electric pool heater with built-in thermostat 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.

Fast Heating: 1500W high power fast pool electric heater can heat 5 gallons of water in minutes, saving energy and money. The upgraded of the water heater can bring a better experience and enable small children to play freely in a inground swimming pool free from cold water.

Anti-scalding&Corrosion Resistance: The swimming pool heater with corrosion resistance stainless steel protective guard can effectively prevent the heating element from directly contacting the human body, both sides are fixed with mechanical and AB glue, which has strong sealing and is safer. Strong corrosion resistance, can be used for a long time, for you to solve the trouble of no hot water.

SOLAR DOME POOL HEATING SOLAR SYSTEM: Easy to install with NO gas or electric connections! Heat your pool water the GREEN way using solar energy. Add weeks to your season with free energy from the sun! Multiple collectors can be connected in series to increase heating efficiency. Each dome can raise pool temps up to 10 degrees in approximately seven days. Dimensions: 28" L x 28" W x 12" H. Bypass kit REQUIRED for hooking up two or more heaters or pools that have a 1 HP or larger pump.

ABOVE GROUND SOLAR HEATING PANEL SYSTEMS: These energy and money saving solar pool systems collect the sun's rays, warming the water that circulates through the panels channels and returns it to the pool! Collector kit can be mounted on plywood (as shown in image) and rests besides pool, or be roof mounted. Either option REQUIRES a roof/rack mounting kit.

SOLAR PANEL COLLECTOR KIT CONFIGURATIONS AVAILABLE IN THE FOLLOWING SIZES: 2.5' W x 20' L; 5' W x 20' L (Comes as (2) 2.5' W x 20' L Panels); and 5' W x 10' L (Comes as (2) 2.5' W x 10' L Panels). **ALL SYSTEMS DO NOT INCLUDE PVC OR FLEX PIPES**

Pool heater lets you swim on into the cooler months of the year with an integrated rack for receiving maximum sun exposure

Extends your swimming season with warm water and heat your pool to a warm, comfortable temperature; Reduces or eliminates pool heating costs compared with gas or electrical heater

Includes a protective cover for storage purposes when not in use and 4-foot hoses, fittings, and stainless steel clamps

[Efficient Heating] Immersion Water Heater for bathtub has a rated power of 1500W, High power, Quickly heats, Bucket heater 5 gallon can quickly heat 5 gallons of water in ten minutes(Boil water need more time). If the amount of water is more, Just increase the heating time.

[Safe and Portable] Portable swimming pool heater using one-piece and one-shot casting technology, Better insulation and airtightness. Perfect for winter washing, camping, travel, etc. With rust proof 304 stainless steel guard, suitable for Plastic containers, Inflatable containers, Glass containers, Wooden containers. Notice: Do not touch water during connected the power to prevent electric shock! Please unplug the power or touch the outside of the container to test the water temperature.

[Note] 1. People can't be touch the water while the portable hot tub heater is connected the power. 2. Before powering up please make sure portable instant camping hot water heater is completely submerged in water. 3. Unplug the power before taking out the heater and using hot water. 4. Bathtub heater while in tub must use 15A outlet. 5. More than 2 water heaters are needed for heating at the same time, please do not plug the two bathtub water warmer into one outlet to avoid fire hazards!

Superior Heater: Power: 11KW, Input Voltage: AC 240V 50/60HZ; Current: 50A; Product Size(L × W × H): 18.7 × 3.9 × 14 inch (475 × 100 × 355 mm). This swimming pool thermostat adopts advanced aluminum-plating zinc plates, effectively avoiding the hurt of exposure to the sun. The liner tank uses 304 stainless steel to feature durable and sturdy performance.

Adjustable Temperature: It is convenient for you to observe the change of temperature on the LCD at any time, and you can adjust the setting value easily through the touching screen. The electric SPA heater will automatically control the temperature ranged from 71.6 °F-122 °F (22 °C-50 °C). With the smart temperature sensor, the heating system is always under control and keeps non-fluctuation of the temperature.

Intelligent Self-test: The intelligent self-checking function not only can detect automatically to reach the set temperature, but also supervises the operational status of the heater in case of water absence. If the heater has the risk of high temperature, the heating system will stop working. This humanized design helps to keep you secure when you use the machine.

Flow Activation

Eco smart Pool Heaters are compact and easy to install for a new or existing pool

Set your temperature digitally to increments of 1-Degree. Set it and forget it.

【Fast Heating】1500W of power can make 5 gallons of water warm in a few minutes. Before inserting the pool warmer, please make sure that the heater is completely immersed in the water then connect the 120v/110v power supply.

【Premium and Safe】Our pool water heater has UL report and is safer to use,With high quality stainless-steel protect cover,hot tub heater will effectively prevent the heating element is in direct contact with people or animals and heat dissipates to the water faster by flowing through the holes in the guard.Durable and reusable.The holes on the guard dissipates heat into the water faster

【Simple Operation】Immerse in water at an appropriate water level and plug into any grounded wall outlet. Then the 1500W immersion water heater can start working.

We recommend that all installations of units must be done by the local building and plumbing codes of the installation location and installation be done by a licensed professional.

The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.

180,000 BTU high heating capacity and maximum 8.1 GPM. It is suitable for 3-5 outlet points, which can satisfy whole family. UEF over 0.81, the high energy conversion rate can effectively reduce energy loss.

DO IT YOURSELF: Complete SunQuest solar heater systems are available to suit your needs. Designed for Roof/Rack installation, all hardware, roof strapping and a Bypass are included (Pipe not included). More cost-effective than an Electric or Gas heater

EXTENDED SWIMMING: A solar pool heater sized and installed correctly, will raise your pool water 10 ℉, keeping your pool warm and extending your swimming season. Use a Liquid Solar Blanket or cover to maintain the heat for optimal results

DURABLE AND RELIABLE: Premium quality, superior technology, high-rated performance, and second-to-none reliability. They simply work - and keep on working

SOLAR HEATING: The inflatable heaters harness the sun's energy to heat your pool during the day and keep it insulated at night; Use multiple heaters to cover at least 80% of your pool's surface for optimal results

SAVE MONEY: Includes 3 inflatable heaters; Compliments existing gas and electric heaters to save you time and money with faster heating; Also cheaper and less cumbersome than permanent retractable covers

MINIMALISTIC DESIGN: Solid dark blue color provides a clean, modern look to any backyard pool versus the loud designs of other sellers

High Power: New square immersion water heater has a rated power of 2000W, 120V (Must use Outlet above 15A, The heater is 15A current)High power for quickly heating, heats 5 gallons of water in few minutes

Higher Heating Efficiency: heat from 70°F to 105°F,5 gallons of water usually only takes 30-60 seconds,50 gallons of water usually only takes 30-40 minute,200 gallons of water usually only takes 2-3 hours,This water heater can heat water to boiling

304 Stainless-steel Guard: With ABS outer and 304 anti-rust stainless steel guard,it is rust proof and durable, Effectively to prevent the heating element is in direct contact with the human body,Avoid direct burns, more secure protection,The holes on the guard help release heat into the water faster.

EASY TO INSTALL: Full SunQuest panel systems are available to satisfy all your needs. Placed on the Ground, these units include everything you need to connect to your existing pool hoses. More cost-effective than an Electric or Gas heater

SIMPLE: Designed specifically for smaller above ground pools up to 15 ft dia. These can be placed on the ground, a rack or roof and the hardware is included. More versatile and cost-effective than Electric or Gas, or a heater arc or mat

EXTENDED SWIMMING: A solar pool heater sized and installed correctly, will raise your pool water 10 ℉, keeping your pool warm and extending your swimming season. Use a Liquid Solar Blanket or cover to maintain the heat for optimal results

🔥[High-quality materials and automatic shut-off function] Our carefully crafted Pyramid Patio Heater is made of high-quality aluminum and has good thermal conductivity. The main body is made of durable stainless steel. The explosion-proof tube is designed to ensure that you can use it with confidence. The tilt auto-off function. If the propane outdoor heaters are tilted, the Patio Heater will be automatically turned off.

🔥[Multi-functional fashion design] outdoor propane heater is very suitable for outdoor activities. The gas terrace is equipped with detachable wheels, which is very convenient to move. It is suitable for many scenes. In the cold winter, you can use it in the outdoor garden, patio, terrace, swimming pool and in the park. The outdoor heaters for patio can also be used when drinking with friends or partying.

🔥[Pulse Ignition and Temperature Control System] propane heaters outdoor use propane ignition, 48,000 BTU heat output, push-button pulse ignition system is easy to operate, you can one-key ignition, convenient control. Our outdoor patio heate temperature control device can adjust the size of the flame for you. It can also provide a warm and romantic campfire atmosphere for your family and friends while heating.