Best Betta Heaters In May 2024

Here, we’ll review the top 10 Best Betta Heaters on the market today. We’ll provide an overview of the pros and cons of each product. Read on for our selection of Best Betta Heaters.

To help you in your search, we have completed this list of the Best Betta Heaters.

Top Rated Best Betta Heaters Of 2024

Rank	Product Name	Score
1	FREESEA 25 Watt Aquarium Betta Fish Tank Heater with Aquarium Submersible Thermometer Buy Now	9.7 Buy Now
2	Orlushy Mini Aquarium Heater 50W,Small Fish Tank Heaters with LED Digital Temperature Display Buy Now	9.5 Buy Now
3	hygger Mini Glass Aquarium Heater Adjustable LED Digital Temperature Display Small Tank Heater Buy Now	9.1 Buy Now
4	VIBIRIT Aquarium Heater,Betta Fish Tank Heater 25W Smart Small Aquarium Heater,Energy Efficient Submersible Buy Now	8.8 Buy Now
5	PGFUNNY 25w Aquarium Heater, Betta Fish Heater Adjustable LED Digital Temperature Display Smart Buy Now	8.6 Buy Now
6	DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater Buy Now	8.3 Buy Now
7	SunGrow Betta Plakat Heater, 10-Watt Submersible Aquarium Water Heater for Small Tanks (1.5-Gallons) Buy Now	8.1 Buy Now
8	SZELAM 25W Smart Mini Aquarium Heater, Betta Fish Tank Heater Thermostat Warmer Submersible Buy Now	7.8 Buy Now
9	FREESEA 50W Mini Aquarium Fish Tank Submersible Heater with LED Temperature Display Buy Now	7.5 Buy Now
10	hygger 50W Mini Submersible Digital Display Aquarium Heater for Small Fish Tank, Compact Buy Now	7.2 Buy Now

1. FREESEA 25 Watt Aquarium Betta Fish Tank Heater with Aquarium Submersible Thermometer

1

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9.7/10 our score

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• 25 watt heater this aquarium heater is suitable for 1 to 5 gallons aquariums, length - 6.8 inch,voltage 110-120v, power cord is 4.0 ft, please choose the right wattage aquarium heater according to our size chart.
• Satisfaction guaranteedgain the confidence to go hard with us! our aquarium heater is built with durability in mind and safety for every design, in the remote possibility that youre not satisfied with our product, just contact us, and we will gladly give you a new aquarium heater replacement. 12 month warranty and 24 hour professional after-sales service.
• Note: 1. aquarium heater is 100% submersible use only, during its heating time, heater must be 100% submerged into the water.,please unplug the power supply when cleaning the fish tank or aquarium water changes. 2. heater rod is suitable for people over 16 years of age. children or minors should be under adult guidance or supervision.
• Intelligent temperature control automatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically stop heating, when water temperature is lower than the set temperature, heater will automatically start heating. furthermore, automatic safety shut-off feature, and overheating protection.
• Temperature range: 63f~95f , it is very easy to adjust the temperature you need, we also deliberately give each customer a free diving thermometer, you can observe the water temperature of the fish tank at any time.

2. Orlushy Mini Aquarium Heater 50W,Small Fish Tank Heaters with LED Digital Temperature Display

2

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9.5/10 our score

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• Applicable for freshwater and marine aquariums, aquaculture, glass containers, and hydroponic systems
• 50w submersible aquarium heater is suitable for 3-15 gallon.temperature range: 65f~93f18c~34c, power cord is 5 ft.
• The digital smart aquarium heater is a heater and thermometer combined into one, eliminating the need for more equipment in smaller tanks.
• Please be sure that the heater needs to be completely sunk into water, horizontal or vertical fixed in the water cycle better place, and let the working light can be seen as clear as possible.
• Led display design: led digital display, external temperature controller,easy to use and safety.

3. hygger Mini Glass Aquarium Heater Adjustable LED Digital Temperature Display Small Tank Heater

3

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9.1/10 our score

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• For fish tank 1-6.5 gallon50 watt aquarium heater is ideal for small fish bowls and aquariums 1 to 6.5 gallons, voltage/frequency: 110 120volt/60hertz, it is ideal for betta fish and turtle tank
• Run dry protectionthis egg-shaped small aquarium heater automatically shut itself off once it remove from water which ensures the safety of your pet, especially turtle and frog
• Easy to read led displayexternal temperature setting control avoids getting hands wet, digital led display shows real time water temperature. heating temperature range from 63 to 94f. control accuracy is +/- 1f.
• Automated shut off systemonce set the desired temperature, this fully submersible heater lights on red indicates that it is heating. it will auto shut off once it reach set temperature
• Protective guardmade of high quality quartz glass, waterproof double seal material, covered with protective case, shatter-resistant construction, this fish tank heater keep your fish from scalding and punching

4. VIBIRIT Aquarium Heater,Betta Fish Tank Heater 25W Smart Small Aquarium Heater,Energy Efficient

4

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8.8/10 our score

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• Advanced materials: sturdy engineering plastic. it has anti-explosion, anti-scalding function, high temperature resistance and high safety. suitable for aquarium pets such as turtles and fry. length - 5.35 inch, width - 0.9inch, thickness - 0.63inch.
• 25w fish tank heater is suitable for 3 to 5 gallons and can be used in mini fish tanks and aquariums. the super-designed suction cups hold the heater tightly in the aquarium. easy to hide in the water tank.
• Fully automatic temperature control chip:vibirit submersible aquarium heater automatically adjusts the temperature between 75f and 82f (24c to 28c). it is different from the traditional manual adjustment of the aquarium heater and does not need to be set. and will automatically turn on/off to achieve the setting temperature constantly and stably, energy-efficient.
• Included temperature sticker: you can attach the temperature sticker to the surface of the water tank, through which you can monitor. the easy-to-recognize blue color indicates the current temperature of your aquarium water. temperature bar is for reference only
• Parameters and quality assurance: working power 25w, frequency: 50/60hz, voltage: 110-120v, waterproof rating ip68. this product aquarium heater has passed ce, rohs, fcc certification. explosion-proof, waterproof, anti-scalding, high temperature and other safe operation.

5. PGFUNNY 25w Aquarium Heater, Betta Fish Heater Adjustable LED Digital Temperature Display Smart

5

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8.6/10 our score

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• Quality assurance: this product fish tank heater have certificated by ce, rohs, fcc certifications. anti-explosion, waterproof, scald-preventing, safe operation for pet betta fish.working power 25w, frequency: 50/60hz, voltage: 110-120v, waterproof rating ip68.
• Advanced materials: sturdy engineering plastic. it has anti-explosion, anti-scalding function, high temperature resistance and high safety. suitable for aquarium pets such as turtles and fry. length - 5.35 inch, width - 0.9inch, thickness - 0.63inch.
• Fully automatic temperature control chip: submersible aquarium heater works in intermittent operation mode,temperature regulate between on 77 - 82, unlike the traditional manually adjusted fish tank heaters, no need to set. and will automatically turn on/off to achieve the setting temperature constantly and stably, energy-efficient.
• Come with thermometer strips: by using this thermometer strips, you will be able to monitor. an easy to identify blue color shows the current temperature of your aquarium water. temperature strips is for reference only.
• Suitable for 3-5 gallon tank: fish tank heater 25 watt powerful and slim design fit for small fish tank. the way of measure watt heater for your fish tank needing: watt=(tank's length*wide*water height) /1000*2.

6. DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater

6

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8.3/10 our score

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• Attention & one year warranty - this is 10w mini aquarium heater, size is 3*2*0.26 inch, fit 1~1.5 gallon small tank. only for fresh water tanks. one year warranty and 100% money-back guarantee. buy datoo products with confidence. just do it, lett go!!
• Ptc heating & only suitable for freshwater - unlike conventional glass aquarium heaters, ptc has better thermal conductivity and heating rate, no explosion, no breakage. very energy efficient and environmentally friendly. your child can operate it easily and is very safe. this mini fish tank heater is only suitable for fresh water tanks.
• Constant temperature & no need to adjust - datoo 10w mini aquarium heater can automatically maintain a constant temperature between 75f and 82f (depending on the external environment), no need to set. this temperature range is ideal for most tropical fish and is very beneficial for the reproduction of betta and promotes their metabolism. with no extra work, just plug ...
• 24v safe voltage & power off after leaving water - the output voltage of the datoo betta heater is only 24v, which not only ensures the safety of the fish, but also ensures the safety of the user. no need to worry about leakage, you can rest assured to use it for your children. the betta heater needs to be completely submerged in the water. if it leaves the water, it wi...
• Perfect mini heater for 1~1.5 gallon tank - for a betta breeder with a 1 to 1.5 gallon small tank, it is very difficult to choose a suitable heater. because most of the heaters on the market are too big for this small tank. this not only affects us to watch our beautiful betta, but also reduces the activity space of the betta. now datoo mini aquarium heater can help you...

7. SunGrow Betta Plakat Heater, 10-Watt Submersible Aquarium Water Heater for Small Tanks (1.5-Gallons)

7

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8.1/10 our score

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• Suction cups included for easy installation ---- easily install the sungrow heater vertically or horizontally by using the built-in suction cups to attach to your tank. the best location to place the heater is in the stream of a powerhead or near the water flow, such as the outlet (or inlet) from the filter. this way the heat is evenly distributed throughout your tank.
• Creates the ideal conditions for flora and fauna --- the eastern asian fish species can survive in a freshwater environment. this heater by sungrow will create ideal conditions for them. a few preconditions are required to allow it to run with maximum efficiency. the heater must be completely submerged in the water and the indoor temperature should be around 62-74f.
• Keep your betta healthy --- to ensure that your betta has optimal health, you need to provide her with warm water. the water in the tank should not go below 74f for optimal comfort and metabolic efficiency of your crown tail betta. the cold temperature for this gourami family fish will make her lethargic, stressed, and miserable.
• Fully submersible water heater--- this 10-watt aquarium heater supports 1.5 gallons (5 liters) fish tank. its exterior is designed with tougher than glass and the sealed polymer can be submerged into your tank. the heating element is surrounded by a thick plastic to ensure the protection of these caudal-finned betta fish.
• Automatically reaches the preset temperature --- the smart sungrow heater for this freshwater fish has a built-in electronic thermostat to automatically maintain water around 72f which is ideal for most tropical fish. it saves you from the trouble of constantly keeping a check on the temperature of your tank. it will automatically shut down when it will reach the des...

8. SZELAM 25W Smart Mini Aquarium Heater, Betta Fish Tank Heater Thermostat Warmer Submersible

8

Buy Now

7.8/10 our score

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• Easier to use- szelam mini heater different from a manually adjusted heater. our heater automatic temperature regulate on 73f-82f(25-28) , no need to set. prevent electric shock and burns. keep you and your family safe. position it near a strong water flow for whole aquarium are in the same temperature. the outlet of filter is ideal.
• Quality assurance- this product have certificated by ce, rohs, fcc certifications. we provide 1 year quality assurance for this product, we will provide replacement items for any product problems within 1 year after your purchase it.
• Mini sized- fully submersible compact betta fish heater gift with 2pcs aquarium decor artificial plant. specific perfect for mini aquarium under 5 gal/20l. szelam mini heater provide a constant warm for your pet fish to stay healthy, suitable both for fresh and salt water.
• High quality- made by heat resistant abs housing, sandy quartz filler and mch alumina ceramic heating system, anti explosion & cracking, it is scald-preventing for your pets and safe operation for you, safer and more stable to use.
• Smart control- adopted intelligent circuit board, with a precise temperature sensing probe and constant temperature heating system. no thermometer required, no more operations: unlike other conventional heaters, need you to manually adjust the temperature. our smart aquarium heater just plug the power cable then it will work. it works in intermittent operation mode and ...

9. FREESEA 50W Mini Aquarium Fish Tank Submersible Heater with LED Temperature Display

9

Buy Now

7.5/10 our score

Buy Now

• Satisfaction guaranteedgain the confidence to go hard with us! our aquarium heater is built with durability in mind and safety for every design, in the remote possibility that youre not satisfied with our product, just contact us, and we will gladly give you a new aquarium heater replacement. 12 month warranty and 24 hour professional after-sales service.
• Temperature range: 59f~94f, display fahrenheit f, this heater is designed for1~10 gallons tank.
• Note:this heater is 100% submersible use only, during its heating time, heater must be 100% submerged into the water.
• Touch button, cyclic adjust temperature , easy to use and safety.
• Automatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically stop heating, when water temperature is lower than the set temperature, heater will automatically start heating.

10. hygger 50W Mini Submersible Digital Display Aquarium Heater for Small Fish Tank, Compact

10

Buy Now

7.2/10 our score

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• Digital displaywith led display on the midle of the heater front side, when the fish tank heater is heating, there indicator light above the digit is on red, when it stop heating, the light is off. the heater with a built-in thermometer, when temp setting is done, the led will show the water temp all the time. the led will display the set temp digit only when you pre...
• Compact small heater110-120v/60hz oval shape design little aquarium heater, fast heating for small fish tank. 50w tank heater is for 1-6.5gallon, 100w tank heater is for 6.5-13 gallon. heater dimension: 2.7x1.4x 4.5 inch. the power cord is 5ft, long enough for use indoors. with 2 strong suction cups at the back side of the betta heater, it's easy to install it on to ...
• External controllereasy to set the temp on the controller, only show farenheit temp, you can set the temp range from 63 to 94, temp accuracy 1. every time you set the temp, just press the button over and over until it reaches to your desired temp, then stop and wait the digit flashing for 3 times, then setting is done. keep the controller away from water, it's not...
• Reliable thermostatthis an automatic aquarium thermostat, after finishing the temp setting, you can be confidence on that it will maintain the tank water at the temp you set. the tank heater will stop heating when the water temp reaches to set temp, it will restart to heating when the water temp is 1 off the set temp. if the water temp is over 95, the heater will a...
• Shut off when out of waterplease note that this a fully submersible aquarium heater for fresh water and saltwater tank, when the top part of the heater is out of water it will auto shut off and the led displaying e1, when fully in water again it will return to normal work again