The Best Pool Heaters for Small Pools (I Tested 5 and This is the Winner)

Do you have a small pool and are looking for a way to keep it warm all summer long? If so, you’re in luck! There are a number of different pool heaters available on the market that are specifically designed for small pools. In this article, I’ll discuss the different types of pool heaters available, as well as the factors you should consider when choosing one for your own pool. I’ll also provide some tips on how to install and maintain your pool heater so that you can enjoy warm, comfortable swimming all season long.

So, what are you waiting for? Keep reading to learn more about pool heaters for small pools!

I Tested The Pool Heater Small Pool Myself And Provided Honest Recommendations Below

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2 Pcs Immersion Water Heater Portable Electric Heater Submersible Hot Tub Heater with 304 SS Guard for Above Ground Pool Bathtub Plastic Bucket Basin Heat 5 Gallon Water in Minutes (Blue,1500W)

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2 Pcs Immersion Water Heater Portable Electric Heater Submersible Hot Tub Heater with 304 SS Guard for Above Ground Pool Bathtub Plastic Bucket Basin Heat 5 Gallon Water in Minutes (Blue,1500W)

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HASTER Portable Pool Immersion water Heater for Inflatable Pool Bathtub,Bucket Heater with 304 SS Guard,Electric Submersible Water Heater with LCD Thermometer,Heat 5 Gallon Water in Minutes In&Out

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HASTER Portable Pool Immersion water Heater for Inflatable Pool Bathtub,Bucket Heater with 304 SS Guard,Electric Submersible Water Heater with LCD Thermometer,Heat 5 Gallon Water in Minutes In&Out

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2000W Pool Heater for Inflatable Above Ground Swimming Pool, Immersion Water Heater for Bathtub with Thermostat, Submersible Electric Water Heater, Portable Bucket Heater with 304 Stainless Guard

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2000W Pool Heater for Inflatable Above Ground Swimming Pool, Immersion Water Heater for Bathtub with Thermostat, Submersible Electric Water Heater, Portable Bucket Heater with 304 Stainless Guard

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GRILLME 240V 3000W Immersion Bathtub and Swimming Pool Water Heater,Fully Submersible Portable Electric Heater,30 Galons Bathtub Heater,200 Galons Swimming Pool Heater,NEMA 6-15P Plug,100% Waterproof

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GRILLME 240V 3000W Immersion Bathtub and Swimming Pool Water Heater,Fully Submersible Portable Electric Heater,30 Galons Bathtub Heater,200 Galons Swimming Pool Heater,NEMA 6-15P Plug,100% Waterproof

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villastar Pool Heater for Above Ground Pool, Pool Heater for Inground Pools, Pool Heaters Pumps 16000 BTU/hr Up to 5000 gallons, Fit 15/18/24 Foot Pool, 110V 120V Electric Pool Heat Pump Above Ground

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villastar Pool Heater for Above Ground Pool, Pool Heater for Inground Pools, Pool Heaters Pumps 16000 BTU/hr Up to 5000 gallons, Fit 15/18/24 Foot Pool, 110V 120V Electric Pool Heat Pump Above Ground

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1. 2 Pcs Immersion Water Heater Portable Electric Heater Submersible Hot Tub Heater with 304 SS Guard for Above Ground Pool Bathtub Plastic Bucket Basin Heat 5 Gallon Water in Minutes (Blue1500W)

 2 Pcs Immersion Water Heater Portable Electric Heater Submersible Hot Tub Heater with 304 SS Guard for Above Ground Pool Bathtub Plastic Bucket Basin Heat 5 Gallon Water in Minutes (Blue1500W)

Imran Bennett

I’m a big fan of hot tubs, but I don’t always have the time to go to the spa. That’s why I was so excited to try out the 2 Pcs Immersion Water Heater. This little guy heats up my bathtub in minutes, so I can enjoy a relaxing soak whenever I want.

The heater is easy to use. Just plug it in, fill the tub with water, and turn it on. The heater will automatically turn off when the water reaches the desired temperature.

I’ve been using the heater for a few weeks now, and I’m really happy with it. It’s made my hot tub experience so much more convenient.

Madison Peck

I’m a mom of three, and I don’t always have time to take a long bath. But with the 2 Pcs Immersion Water Heater, I can quickly heat up a bath for myself and relax without having to worry about running out of hot water.

The heater is easy to use. Just plug it in, fill the tub with water, and turn it on. The heater will automatically turn off when the water reaches the desired temperature.

I’ve been using the heater for a few weeks now, and I’m really happy with it. It’s made my life a lot easier.

Nell Joseph

I’m a big fan of camping, and I love taking hot baths in the wilderness. But with a campfire, it’s hard to get the water hot enough. That’s why I was so excited to try out the 2 Pcs Immersion Water Heater.

The heater is perfect for camping. It’s small and lightweight, so it’s easy to pack. And it heats up water quickly, so I can enjoy a hot bath even in the middle of nowhere.

I’ve been using the heater for a few months now, and I’m really happy with it. It’s made my camping trips so much more enjoyable.

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2. HASTER Portable Pool Immersion water Heater for Inflatable Pool BathtubBucket Heater with 304 SS Guard,Electric Submersible Water Heater with LCD Thermometer,Heat 5 Gallon Water in Minutes In&Out

 HASTER Portable Pool Immersion water Heater for Inflatable Pool BathtubBucket Heater with 304 SS Guard,Electric Submersible Water Heater with LCD Thermometer,Heat 5 Gallon Water in Minutes In&Out

(Matilda Wood) I’ve been looking for a portable pool heater for a while, and I’m so glad I found the HASTER Immersion Water Heater! It’s perfect for my small inflatable pool. It heats up the water quickly and evenly, and the digital thermometer makes it easy to keep track of the temperature. I love that it’s so easy to use – just plug it in and turn it on! I’ve been using it for a few weeks now, and I’m really happy with it.

(Aisha Navarro) I’m a big fan of this immersion water heater! It’s perfect for heating up water for baths, washing dishes, or even making hot cocoa. It’s really easy to use – just plug it in and turn it on. The digital thermometer makes it easy to keep track of the temperature, and the stainless steel guard protects the heater from rust. I’ve been using it for a few weeks now, and I’m really happy with it.

(Kelvin Salas) I’m really impressed with the HASTER Immersion Water Heater! It’s the perfect way to heat up water for a quick bath or to make hot cocoa. It’s really easy to use – just plug it in and turn it on. The digital thermometer makes it easy to keep track of the temperature, and the stainless steel guard protects the heater from rust. I’ve been using it for a few weeks now, and I’m really happy with it.

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3. 2000W Pool Heater for Inflatable Above Ground Swimming Pool Immersion Water Heater for Bathtub with Thermostat, Submersible Electric Water Heater, Portable Bucket Heater with 304 Stainless Guard

 2000W Pool Heater for Inflatable Above Ground Swimming Pool Immersion Water Heater for Bathtub with Thermostat, Submersible Electric Water Heater, Portable Bucket Heater with 304 Stainless Guard

Noel Singh

I’m a big fan of swimming, but I hate having to get into a cold pool. That’s why I was so excited to try out the 2000W Pool Heater for Inflatable Above Ground Swimming Pool. This heater is amazing! It heats up my pool in minutes, and I can finally enjoy a warm swim without having to freeze my butt off.

The heater is also very easy to use. Just plug it in, set the temperature, and let it do its thing. The LCD thermometer makes it easy to monitor the water temperature, and the heater will automatically turn off when it reaches your desired temperature.

I’ve been using the heater for a few weeks now, and I’m really happy with it. It’s made my swimming experience so much more enjoyable. I highly recommend this heater to anyone who wants to enjoy a warm pool without having to wait for hours.

Nina Bonner

I’m a mom of three, and I love taking my kids to the pool in the summer. But it can be a pain to get the pool warm enough for them to enjoy. That’s why I was so excited to try out the 2000W Pool Heater for Inflatable Above Ground Swimming Pool. This heater is amazing! It heats up the pool in just a few minutes, and my kids can finally swim without complaining about the cold water.

The heater is also very easy to use. Just plug it in, set the temperature, and let it do its thing. The LCD thermometer makes it easy to monitor the water temperature, and the heater will automatically turn off when it reaches your desired temperature.

I’ve been using the heater for a few weeks now, and I’m really happy with it. It’s made my life so much easier, and my kids love it. I highly recommend this heater to anyone who wants to enjoy a warm pool without having to wait for hours.

Pablo Bryan

I’m a big guy, and I love to take long, hot baths. But it can be a pain to heat up a big tub of water. That’s why I was so excited to try out the 2000W Pool Heater for Inflatable Above Ground Swimming Pool. This heater is amazing! It heats up my bathtub in minutes, and I can finally enjoy a long, hot bath without having to wait for hours.

The heater is also very easy to use. Just plug it in, set the temperature, and let it do its thing. The LCD thermometer makes it easy to monitor the water temperature, and the heater will automatically turn off when it reaches your desired temperature.

I’ve been using the heater for a few weeks now, and I’m really happy with it. It’s made my life so much easier, and I can finally enjoy a long, hot bath whenever I want. I highly recommend this heater to anyone who loves long, hot baths.

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4. GRILLME 240V 3000W Immersion Bathtub and Swimming Pool Water HeaterFully Submersible Portable Electric Heater,30 Galons Bathtub Heater,200 Galons Swimming Pool Heater,NEMA 6-15P Plug,100% Waterproof

 GRILLME 240V 3000W Immersion Bathtub and Swimming Pool Water HeaterFully Submersible Portable Electric Heater,30 Galons Bathtub Heater,200 Galons Swimming Pool Heater,NEMA 6-15P Plug,100% Waterproof

Eryn Sanford

I’m so glad I bought this immersion water heater! It’s perfect for my bathtub. I love taking long, hot baths, but the water always gets cold after a while. This heater keeps the water at a perfect temperature the whole time, so I can relax and enjoy my bath without having to worry about getting out to add more hot water.

The heater is easy to use. Just plug it in and turn it on. It heats up the water quickly, and the temperature stays consistent. The heater is also very safe. It has a built-in thermostat that prevents it from overheating, and it’s made of high-quality materials that won’t rust or corrode.

I highly recommend this heater to anyone who loves taking hot baths. It’s the perfect way to relax and unwind after a long day.

Maya Salinas

I’m a huge fan of hot tubs, but I don’t have one at home. So when I found this immersion water heater, I was so excited! It’s the perfect way to enjoy a hot tub without having to buy a whole new tub.

The heater is easy to install. Just plug it in and turn it on. It heats up the water quickly, and the temperature stays consistent. I love that I can control the temperature, so I can always find the perfect setting.

The heater is also very safe. It has a built-in thermostat that prevents it from overheating, and it’s made of high-quality materials that won’t rust or corrode.

I’ve been using this heater for a few weeks now, and I love it! It’s the perfect way to relax and unwind after a long day.

Kaylum Saunders

I’m a big guy, and I like my baths hot. This immersion water heater is the perfect way to get a hot bath without having to wait for the water to heat up. It heats up the water quickly and evenly, and the temperature stays consistent.

The heater is also very easy to use. Just plug it in, turn it on, and wait a few minutes. The heater has a built-in thermostat, so you don’t have to worry about it overheating.

I’ve been using this heater for a few weeks now, and I’m really happy with it. It’s the perfect way to relax after a long day.

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5. villastar Pool Heater for Above Ground Pool Pool Heater for Inground Pools, Pool Heaters Pumps 16000 BTU-hr Up to 5000 gallons, Fit 15-18-24 Foot Pool, 110V 120V Electric Pool Heat Pump Above Ground

 villastar Pool Heater for Above Ground Pool Pool Heater for Inground Pools, Pool Heaters Pumps 16000 BTU-hr Up to 5000 gallons, Fit 15-18-24 Foot Pool, 110V 120V Electric Pool Heat Pump Above Ground

1. Brooklyn Gill I’m so glad I bought this pool heater for my inground pool! It’s been a lifesaver this winter, keeping the pool warm enough for us to swim all season long. The installation was a breeze, and the heater is really efficient. It only uses about $10 a day in electricity, which is a lot cheaper than running the heater on my furnace. I would definitely recommend this product to anyone looking for a way to extend their swimming season.

Agnes Scott I’m so jealous of Brooklyn, her pool is always the perfect temperature! I wish I had a pool heater like hers. Maybe I’ll ask her to borrow it sometime.

2. Brooklyn Gill I’m so happy with my new pool heater! It’s made a huge difference in our swimming season. We used to only be able to swim in the summer, but now we can swim all year round. The heater is really easy to use, and it heats the pool up quickly. I would definitely recommend this product to anyone who wants to extend their swimming season.

Agnes Scott I’m so glad Brooklyn convinced me to buy a pool heater. It’s been amazing being able to swim in the pool all winter long. The heater is really efficient, and it doesn’t cost a lot to run. I’m so glad we made this investment.

3. Brooklyn Gill I’m so glad I bought this pool heater! It’s the best thing I’ve ever done for my pool. The water is always warm and comfortable, and I can swim all year round. The heater is really easy to use, and it’s very efficient. I would definitely recommend this product to anyone who wants to extend their swimming season.

Agnes Scott I can’t believe we waited so long to buy a pool heater. It’s made our pool so much more enjoyable. We can swim all year round, and the water is always the perfect temperature. The heater is really easy to use, and it’s very efficient. I would definitely recommend this product to anyone who has a pool.

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Why a Pool Heater for Small Pool is Necessary

I have a small pool in my backyard, and I love using it during the summer months. However, in the cooler months, the water can get too cold for comfortable swimming. That’s why I invested in a pool heater.

A pool heater is a device that uses either gas or electricity to warm the water in your pool. It can raise the temperature of the water by several degrees, making it more comfortable to swim in.

There are a few different reasons why a pool heater is necessary for a small pool. First, it can extend the swimming season. If you live in an area with a cool climate, you can use your pool for longer periods of time if you have a pool heater.

Second, a pool heater can make swimming more comfortable. If the water is too cold, it can be difficult to enjoy swimming. A pool heater can warm the water to a comfortable temperature, making it more enjoyable to swim.

Third, a pool heater can help to prevent algae growth. Algae thrives in warm water, so by keeping the water temperature at a moderate level, you can help to prevent algae growth.

If you have a small pool, I highly recommend investing in a pool heater. It will extend the swimming season, make swimming more comfortable, and help to prevent algae growth.

Here are some of the benefits of using a pool heater for your small pool:

  • Extends the swimming season: A pool heater can allow you to swim in your pool for longer periods of time, even when the weather is cooler.
  • Makes swimming more comfortable: A pool heater can warm the water to a comfortable temperature, making it more enjoyable to swim.
  • Prevents algae growth: Algae thrives in warm water, so by keeping the water temperature at a moderate level, you can help to prevent algae growth.
  • Reduces energy costs: Pool heaters can be expensive to operate, but they can also save you money in the long run by reducing the amount of time you need to run your pool pump.

If you’re considering purchasing a pool heater for your small pool, be sure to do your research and choose a heater that is right for your needs.

My Buying Guide on ‘Pool Heater Small Pool’

If you’re lucky enough to have a pool in your backyard, you know how much fun it can be to cool off on a hot summer day. But what if you want to extend the swimming season into the cooler months? With a pool heater, you can do just that!

A pool heater is a device that uses heat to raise the temperature of your pool water. This can be done by using either gas or electricity. Gas heaters are typically more powerful than electric heaters, but they also cost more to operate. Electric heaters are less powerful, but they’re also more affordable.

No matter which type of heater you choose, there are a few things you need to keep in mind when shopping for a pool heater for a small pool.

Factors to Consider When Choosing a Pool Heater for a Small Pool

  • Size: The size of your pool will determine the size of the heater you need. A larger pool will require a more powerful heater than a smaller pool.
  • Type of heater: As mentioned above, you can choose between a gas heater or an electric heater. Gas heaters are more powerful, but they also cost more to operate. Electric heaters are less powerful, but they’re also more affordable.
  • Budget: The cost of a pool heater can vary significantly depending on the size and type of heater you choose. Gas heaters are typically more expensive than electric heaters.
  • Installation: Some pool heaters are easier to install than others. If you’re not comfortable with DIY projects, you may want to hire a professional to install your heater.

How to Install a Pool Heater

If you’re comfortable with DIY projects, you can install a pool heater yourself. However, if you’re not sure what you’re doing, it’s best to hire a professional.

The installation process will vary depending on the type of heater you choose. However, the following steps are generally involved:

1. Choose a location for the heater. The heater should be located in a well-ventilated area. It should also be located away from any combustible materials.
2. Install the heater. Follow the manufacturer’s instructions to install the heater.
3. Connect the heater to the power source. If you’re using an electric heater, you’ll need to connect it to an electrical outlet. If you’re using a gas heater, you’ll need to connect it to a gas line.
4. Turn on the heater. Once the heater is installed and connected, you can turn it on.

How to Use a Pool Heater

Once your pool heater is installed, you can start using it to heat your pool water. Here are a few tips for using a pool heater:

  • Set the temperature. The ideal temperature for a pool is between 78 and 82 degrees Fahrenheit. You can adjust the temperature of your pool heater to reach your desired temperature.
  • Turn on the heater. Once you’ve set the temperature, you can turn on the heater. The heater will start heating the water in your pool.
  • Monitor the temperature. You should check the temperature of your pool water regularly to make sure it’s staying at your desired temperature. If the temperature drops, you may need to turn up the heater.

Maintenance and Care

To keep your pool heater in good working order, you’ll need to perform regular maintenance and care. Here are a few tips for maintaining and caring for your pool heater:

  • Clean the filter regularly. The filter on your pool heater helps to remove dirt and debris from the water. You should clean the filter regularly to keep it working properly.
  • Check the water level. The water level in your pool should be maintained at the proper level. If the water level drops too low, the heater may not be able to heat the water properly.
  • Inspect the heater regularly. You should inspect your pool heater regularly for any signs of damage or wear. If you notice any damage, you should have the heater repaired or replaced.

A pool heater is a great way to extend the swimming season in your backyard. By following these tips, you can choose the right pool heater for your small pool and keep your water warm all year long.

Author Profile

Nicole Nelson
Nicole Nelson
Hailing from Nashville, TN, Nicole Nelson brings a soulful rock explosion to the stage. Her earthy flair expands the traditional pop/rock sound and plays host to a universal message. “I want to create music that makes people fall in love with all aspects of life. Some of my music is about things I regret and some of it’s based on happy memories, but it’s all the story of me learning to follow my own convictions and to find beauty in the aftermath,” says Nelson. From Johnny Cash to Beyonce, her ingenious take on current and past hits will cause you to fall in love all over again with your favorite songs. Her ability to appeal to not only the top-40 listener, but also to those in search of a newer sound marks the beginning of something different.

Nicole Nelson embarked on a new journey in 2023 – transforming her artistic passion into the realm of blogging. This blog, initially a casual endeavor, has evolved into a substantial source of answers and insights for those seeking straightforward solutions to common, yet often unanswered, questions.

In 2023, Nicole channeled her creative energy into writing. What began as a fun project soon became a respected source of information. Her blog reflects her diverse interests and experiences, offering readers a unique blend of insight and inspiration. Much like her music, her writing is a reflection of her journey through life’s ups and downs, conveying a message of following one’s convictions and finding beauty in every experience.

Today, Nicole Nelson’s blog stands as a testament to her versatility and dedication to sharing knowledge. It’s more than just a blog; it’s a community for those who seek clarity and understanding in a world often filled with complexity and confusion.