Top 7 Pool Heaters: Your Ultimate Guide to Enjoying Warm Swims All Year Round!

Steve Donaldson Master HVAC technician
Steve Donaldson
Master HVAC technician at Quality Comfort Home Services

I am Steve Donaldson, a Master HVAC technician with a rich background in addressing heating issues, especially when it comes to various types of water heaters. Leveraging my extensive expertise, I offer insights and advice to help individuals maintain a warm and secure home environment. Reach out to me at steve.donaldson@tedreviews.com for valuable tips from a seasoned professional in the industry.

Steve Donaldson Master HVAC technician
Steve Donaldson
Master HVAC technician at Quality Comfort Home Services

I am Steve Donaldson, a Master HVAC technician with a rich background in addressing heating issues, especially when it comes to various types of water heaters. Leveraging my extensive expertise, I offer insights and advice to help individuals maintain a warm and secure home environment. Reach out to me at steve.donaldson@tedreviews.com for valuable tips from a seasoned professional in the industry.

Hey there! Are you tired of waiting for the summer months to enjoy a refreshing swim in your pool? Well, worry no more because I've got just the thing for you! In this ultimate guide, I'll be sharing the top 7 pool heaters that will keep your pool nice and warm throughout the entire year. So, get ready to dive into this article and discover the perfect pool heater that will let you enjoy those warm swims no matter the season. Let's get started!

1
Premium Outdoor Pool Heater - G-WATM500
✯ Final Verdict: Buyer Beware ✯
BUY NOW Amazon.com
6.9
2
Adjustable Pool Heater Cover for Hayward
8.7
5
HASTER Portable Pool Heater - Quick & Safe
Verdict: Efficient and Affordable
BUY NOW Amazon.com
7.3
6
Poolcomft Pool Heater - EU70 Model
Great Choice!
BUY NOW Amazon.com
7.1
1

Premium Outdoor Pool Heater – G-WATM500

$74.87
$34.87
 in stock
Amazon.com
as of January 16, 2025 7:12 pm
9.1
Final Verdict: Buyer Beware
The G-WATM500 Water Heater is an energy-saving and premium outdoor swimming pool boiler with a fire safety steel guard. It offers efficient operation with overheat prevention and auto power shutoff for added safety. However, some users have reported issues with corrosion and parts coming apart after a few weeks of use. Overall, it is a reliable and high-quality product, but potential buyers should be aware of these concerns.
Efficient and Powerful
  • Efficient energy-saving design
  • Premium quality construction for outdoor use
  • Fire safety steel guard for added protection
  • Overheat prevention and auto power shutoff for safety
Downsides
  • Corrosion and parts coming apart after 3 weeks of use
  • No negative reviews or drawbacks mentioned in the reviews provided

The G-WATM500 Water Heater is a premium outdoor swimming pool boiler that offers energy-saving features and excellent safety measures. With a power of 1500W, it efficiently heats up your pool water to ensure a comfortable and enjoyable swimming experience. The fire safety steel guard provides an added layer of protection, while the overheat prevention and auto power shutoff features ensure the heater operates safely. The 104-140 automatic temperature hold allows you to maintain the desired water temperature easily. Overall, this water heater is highly recommended for its effectiveness and reliability.

Efficient and Powerful Heating Solution
  • Saving Energy
  • Premium Outdoor Swimming Pool Boiler
  • Fire Safety Steel Guard
  • 1500W
  • Overheat Prevention
  • Auto Power Shutoff
$34.87
$74.87
in stock
as of January 16, 2025 7:12 pm
Amazon.com
2

Adjustable Pool Heater Cover for Hayward

 in stock
Amazon.com
8.7
The Pool Heater Cover for Hayward is a convenient and versatile option for protecting your pool heater. It has a universal size that fits most pumps and is adjustable to fit different heat pumps. The 600D material provides durability, although some users have found it not to be very sturdy. Despite this, it is a great option for odd-shaped pool pumps. The only downside is that it took a long time to restock.
Enhanced Efficiency
  • Fits odd-shaped pool pumps
  • Universal size fits most heater pumps
  • Made from durable 600D material
Weaknesses
  • Not very sturdy material
  • Took a long time to restock

This Pool Heater Cover for Hayward is designed to protect your pool heat pump from snow, dust, and rain, ensuring that it remains in top condition. With dimensions of 39″ Length X 34″ Width X 31″ Height, it has a universal size to fit most heater pumps. Made from durable 600D material, it provides all-weather resistance. Although one reviewer had an issue with the material ripping, others have praised its perfect fit and effectiveness in covering their pool pumps. If you're looking for a reliable and adjustable cover for your swimming pool heat pump, this is a great option to consider.

Enhance Your Pool Heating Experience
  • Pool heater protection: Keeps snow, dust, and rain away from your heater
  • Universal size: Fits most heater pumps
  • All-weather resistant: Made from durable 600D material
  • Adjustable design: Can be adjusted to fit different swimming pool heat pumps
3

SuppCup Solar Pool Heater for Above Ground Pool

 in stock
Amazon.com
7.9
The SuppCup Solar Pool Heater is a high-performance, solar-powered pool heating solution that is suitable for both above ground and inground pools. It is easy to install with Intex adapters and hoses. However, it has limited compatibility with non-Intex pools and may require additional accessories for proper installation.
Benefits
Drawbacks
  • Limited compatibility with non-Intex pools
  • May require additional accessories for proper installation

Upgrade your above ground pool with the SuppCup Solar Pool Heater. This high-performance pool heater is designed to provide superior performance and energy efficiency. Harnessing the power of the sun, this efficient solar heater naturally heats your pool water, allowing you to save on energy costs. The heater comes with Intex pool heater adapters and hoses, making it easy to hook up to Intex and Bestway branded above ground swimming pools. With precise temperature control, this pool heater ensures a comfortable swimming environment. Choose the SuppCup Solar Pool Heater and enhance your swimming season with the perfect pool temperature.

Efficient and Eco-Friendly Heating
  • High-performance pool heaters
  • Suitable for above ground and inground pools
  • Solar-powered
  • Efficient pool heating solution
  • Easy to install with Intex adapters and hoses
4

EcoPoolTech Above Ground Pool Heater

 in stock
Amazon.com
7.5
Reliable and efficient
The ECOPOOLTECH Swimming Pool Heater is an energy-efficient and powerful heat pump that is perfect for above-ground pools up to 5000 gallons. With its quick and easy installation process, durable construction, and ability to achieve high temperatures even in colder weather, it is a great choice for pool owners. The only downside is that it lacks a defrost function, which may cause frost over in low night temperatures. Overall, it is a reliable and efficient pool heater with excellent customer support.
Efficient and Eco-Friendly
  • Easy to install
  • Comes with adapters for different hose sizes
  • Responsive customer support
  • Well-made and durable
  • Quick setup process
  • Can achieve high temperatures even in colder weather
  • Allows for parallel heating, increasing water flow velocity
Drawbacks
  • The unit does not have a defrost function, which can lead to frosting over when night temperatures drop below 50F

The ECOPOOLTECH-Swimming Pool Heater is an energy-efficient heat pump designed for above ground pools. With a heat conversion rate of COP 5.6, this heater absorbs energy from the air and transfers it into the water, requiring only limited electric input. It is suitable for pools up to 5000 gallons and has a powerful 14000BTU/hr output. The titanium heat exchanger ensures durability and efficient heat transfer. Installation is easy, and the unit comes with adapters for 1.25 or 1.5-inch hoses. Despite a few minor issues, the responsive customer support team at ecopooltech.com has been helpful in resolving any concerns. With proper understanding of its capabilities, this heat pump can extend your pool season and keep your water at a comfortable temperature.

Efficient and Eco-Friendly Heating
  • Energy-efficient heat pump technology
  • High efficiency and heat conversion rate
  • Limited electric input required
  • Suitable for above-ground pools up to 5000 gallons
  • Powerful 14000BTU/hr heating capacity
  • Durable titanium heat exchanger
5

HASTER Portable Pool Heater – Quick & Safe

$35.88  in stock
Amazon.com
as of January 16, 2025 7:12 pm
7.3
Verdict: Efficient and Affordable
The HASTER Portable Pool Immersion water Heater is a fast and convenient option for heating small volumes of water. It is compatible with various inflatable pools and bathtubs, and comes at an affordable price. However, it lacks a thermostat or temperature adjustment feature, and may not be suitable for warming large volumes of water.
Efficient and Reliable
  • Fast heating: The HASTER Portable Pool Immersion water Heater heats water quickly, as mentioned in the reviews
  • Compatibility: It can be used with various inflatable pools and bathtubs, making it versatile and convenient
  • Affordable: This product is relatively inexpensive compared to other water heaters on the market
Cons
  • Drawbacks:
  • No thermostat or temperature adjustment
  • May not be effective for warming large volumes of water, such as a baptism pool

The HASTER Portable Pool Immersion water Heater is a high-power 1500W heater that can quickly heat up to 5 gallons of water in just a few minutes. Perfect for outdoor activities like camping or enjoying a warm shower outside. With its 304 SS Guard and electric submersible design, this heater is durable and safe to use. The LCD thermometer allows you to easily monitor the water temperature. Customers have reported that this heater is much faster than using the hot tub heater alone, increasing the temperature by 20 degrees in just a couple of hours. It is also relatively inexpensive compared to other options on the market. However, some users have experienced difficulties when trying to warm larger pools. Overall, this portable water heater is a great option for quickly heating water in smaller pools or tubs.

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Efficient Heat On-The-Go!
  • 1500W high-power immersion water heater
  • Portable and easy to use
  • Suitable for heating 5 gallons of water
  • LCD thermometer for temperature monitoring
  • Made with 304 SS guard for durability and safety
  • Provides fast and efficient heating
6

Poolcomft Pool Heater – EU70 Model

 in stock
Amazon.com
7.1
Great Choice!
The POOLCOMFT Pool Heater is a reliable and efficient option for aboveground and small inground pools. With its quick response customer service and improved pool temperature in a short time, it is a great choice. However, customers should be aware of potential shipping damage and the need for additional shade for the ambient sensor.
Efficient Heating Performance
  • Reliable customer service
  • Quick response to customer inquiries
  • Efficient heating capability
  • Improved pool temperature in a short period of time
Disadvantages
  • Shipping damage caused initial issues with the unit
  • Ambient sensor may require additional shade to prevent shutdown during hot days

The POOLCOMFT Pool Heater is a reliable and efficient option for heating your above ground or small inground pools. With a temperature range of 30F to 100F, this heater can extend your swim season by heating the water up to 105F. The EU70 model is designed to heat pools up to 6500 gallons, making it suitable for a variety of pool sizes. It operates on 120V/60Hz power and has a heat output of 20000BTU/hr. Installation may require a 30Amp service. While some users have reported issues with shipping damage and sensor malfunctions, the company's customer service has been praised for their prompt response and resolution. Overall, this pool heater offers a convenient and effective way to enjoy warmer water temperatures in your pool.

Efficient and Powerful Heating Solution
  • Designed for aboveground and small inground pools
  • Temperature range from 30F to 100F
  • Can heat water temperature up to 105F
  • Suitable for pools up to 6500 gallons
  • Operates on 120V/60Hz power supply
7

Mini Swimming Pool Heater – 3KW 110V

$200.99  in stock
Amazon.com
as of January 16, 2025 7:12 pm
6
Suitable for Some
The 3KW 110V No Plug Mini Swimming Pool Heater is a compact and lightweight option for raising the temperature of your pool water by a few degrees. However, it does require a 30 AMP circuit and a 3/4 HP pump, which may not be suitable for all pools.
Efficient and Convenient Heating
  • Raises the temperature of the pool water by a couple of degrees
  • Compact and lightweight
  • Can be installed in a limited space
Limitations
  • Requires a 30 AMP circuit and a GFCI breaker
  • Requires a 3/4 HP pump, which may be larger than what most 2,000 gallon pools have

This 3KW 110V No Plug Mini Swimming Pool Heater is perfect for pools up to 2000 gallons in coastal climates, specifically designed for 8/11 foot pools. It has a temperature range from 40 °F to 122 °F, making it suitable for various swimming needs. Please note that this heater works with a 0.75KW circulating pump, which is not included. The compact and lightweight design allows for easy installation in tight spaces. However, it requires a 30A GFCI breaker and must be hardwired by an electrician. Double-checking your specifications before ordering is essential to ensure compatibility. Overall, this is a great option for those looking to raise the temperature of their pool a few degrees.

Efficient and Convenient Heating Solution
  • 3KW heating power
  • 110V power supply
  • Compatible with 0.75KW circulating pump
  • Suitable for pools up to 2000 gallons
  • Fits 8/11 foot pools
  • Temperature range from 40 °F-122 °F (5 °C-50 °C)
$200.99
in stock
as of January 16, 2025 7:12 pm
Amazon.com

Explore other options for your pool heating needs

Step-by-Step Guide to Using Your Best Pool Heater

  • Make sure to follow the manufacturer's instructions for installation
  • Ensure the pool heater is placed in an area with good ventilation and away from flammable substances
  • Connect the heater properly to the pool's circulation system
  • Familiarize yourself with the temperature controls on the pool heater
  • Start by setting the temperature to a comfortable level and allow the heater to reach that temperature gradually
  • Monitor the water temperature regularly and adjust it as needed
  • Regularly clean the pool heater to remove debris and ensure optimal performance
  • Check for any leaks, loose connections, or signs of damage, and address them promptly
  • Follow the manufacturer's guidelines for any additional maintenance tasks, such as winterizing the heater when necessary
  • Remember, it's always important to consult the specific instructions provided by the manufacturer of your pool heater for the best results
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Choosing the Perfect Pool Heater for Your Backyard Oasis

  • Heating Efficiency: One of the most crucial aspects of a pool heater is its efficiency in heating your pool water. Look for heaters with high heating efficiency ratings, usually measured in COP (Coefficient of Performance) or BTUs (British Thermal Units). The higher the COP or BTU rating, the more energy-efficient the heater will be, resulting in lower operating costs and faster heating times
  • Size and Capacity: It's essential to choose a pool heater that is appropriately sized for your pool. Consider the size of your pool, the average ambient temperature in your area, and how quickly you want to heat the water. A heater that is too small may struggle to heat your pool efficiently, while one that is too large will waste energy. Make sure to consult the manufacturer's guidelines or seek professional advice to determine the right size and capacity for your pool
  • Durability and Warranty: Investing in a pool heater is a long-term decision, so it's important to choose a reliable and durable model. Look for heaters made from high-quality materials and with a solid construction that can withstand the elements and regular use. Additionally, check the warranty offered by the manufacturer. A good warranty indicates the confidence they have in their product and provides you with peace of mind knowing that you're protected against any unexpected issues
Steve Donaldson Master HVAC technician
Steve DonaldsonMaster HVAC technician at Quality Comfort Home Services

I am Steve Donaldson, a Master HVAC technician with a rich background in addressing heating issues, especially when it comes to various types of water heaters. Leveraging my extensive expertise, I offer insights and advice to help individuals maintain a warm and secure home environment. Reach out to me at steve.donaldson@tedreviews.com for valuable tips from a seasoned professional in the industry.

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2 Comments
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  1. Thank you for sharing your favorite! The SuppCup Solar Pool Heater is indeed a great choice for its eco-friendly and cost-saving features. It’s perfect for above ground pools. Enjoy your warm swims!

  2. The SuppCup Solar Pool Heater for Above Ground Pool is my favorite from the list. I love that it uses solar power, which not only saves energy but also reduces costs. It’s great to have a pool heater that is environmentally friendly and efficient. Plus, it’s designed specifically for above ground pools, which is perfect for me since that’s the type of pool I have.

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