10 Best Aquarium Heaters
Small Animal Toys

10 Best Aquarium Heaters

Pet ownership is a serious business. No matter what type of animal enriches the family environment, people are passionate about caring for their pets. Fish aficionados strive to create an aquarium environment that is comfortable and soothing for their fish. This article reviews ten of the best aquarium heater options on the market today. The list includes item suitable for both large and small, fresh and saltwater fish tanks, as well as tropical environments. All products listed in this article were chosen with respect to pricing, efficiency, effectiveness, and ease of use.

10. Insten Black 100W 110-120V Adjustable Aquarium Fish Tank Water Heater

Insten Adjustable Aquamarium Submersible fish tank water heater and thermometer

Ideal for: Tropical fish / Fresh water or marine setups / Simple aquatic environments / New aquarium owners;

Insten offers no nonsense performance at a very economical price. Its basic design and simple operation make it simple enough for anyone to use, regardless of experience. The heater guarantees a constantly warm and safe environment for tropical fish.


  • Standard design;
  • Easy to read instructions;
  • Safe operation;


  • Brand perceived as lower quality due to price;

9. Songjoy Quartz Glass Submersible Aquarium Heater

Songjoy Quartz glass submersible aquarium heater for tropical fish with suction cup

Ideal for: Tropical environments, up to 40-gallon tanks;

The Songjoy’s simple design and intermittent heating features make it conducive to long coil life, due to the fact that it is not constantly in use. That being said, this one endures a wider range of temperature variations, which may potentially damage any fragile environment it is used in. An important feature to note is that to avoid damaging the heating coil, it must be fully submerged in water while it is actively heating. The Songjoy is the best aquarium heater for the value.


  • Simple design;
  • Intermittent heating/long coil life;


  • Wider temperature variables;
  • Temperature inconsistencies;

8. ViaAqua 50-Watt Quartz Glass Submersible Heater

ViaAqua 50 watt quartz glass submersible heater with build-in thermostat

Ideal for: Novice users, simple aquarium systems;

The ViaAqua heater’s simple indication system and built-in temperature regulation make it safe for both the new owner, and the most experienced user. Users tend to view this model as very aesthetically pleasing as well, since it would fit very nicely in the most elegant aquatic environments.


  • Built-in temperature regulation;
  • Visible temperature setting;


  • No information on warranty found;

7. Eheim Jager Aquarium Thermostat Heater

best eheim jager aquarium heater

Ideal for: Fresh or marine water;

The Eheim Jager aquarium heater is fully submersible, and will automatically shut down when detecting too low of a water level. Due to the thermo safety control feature, you can be sure it will never run dry. This device features a TruTemp dial that recalibrates it in order to ensure precise temperature regulation.


  • Shatter-proof and shock-resistant glass;
  • Comes with an on/off indicator;


  • Can develop moisture inside the glass;

6. Hydor Submersible Glass Aquarium Heater

Hydor submersible glass aquarium heater shock resistant

Ideal for: Betta fish / 2-gallon and up tanks;

The Hydor brand boasts the second shatter-proof aquarium heater design on this list. Unlike the Songjoy, there is no risk of damage to the unit if it were to be run dry. A pretty simple design at a fair price, the Hydor is a trusted brand for aquarium owners.


  • Different wattage options;
  • Shatter-proof design;
  • Long-lasting item;


  • No information regarding warranty;

5. Mylivell Aquarium Heater

best mylivell aquarium heater

Ideal for: Fresh or salt water;

The Mylivell aquarium heater is the fifth best aquarium heater on this list due to its high quality and safety. It is made of quartz glass with a double seal material, it features an advanced design, and it provides safe operation. You can adjust the temperature automatically from 65 to 93 degrees Fahrenheit.


  • Easy-to-read display;
  • Comes with two suction cups that attach easily to the aquarium;
  • Polarized plug that prevents electrical shocks;


  • The cord is quite short;
  • Might break easily;

4. Aqueon Submersible Aquarium Heater

Aqueon 300 W submersible resistant aquarium heater

Ideal for: Self sustaining environments, novice users;

This Aqueon heater offers many quality characteristics of the pro model at a fraction of the price. The model offers automatic safety shutoff and overheat protection, ensuring that, if forgotten, it will continue to maintain the integrity of the aquarium environment.


  • Trusted brand;
  • Shatter-resistant body;


  • Lower quality than the Aqueon pro model;

3. Lineba Adjustable Quart Glass Heater Aquarium Fish Tank Heater

Lineba adjustable quartz glass heater aquarium and fish tank heater with auto build in thermostat

Ideal for: All types of environments;

The Lineba line of aquarium heaters is more durable and less likely to shatter or crack during use, due to the protective sleeve. Our third best aquarium heater is auto adjustable and suitable for all types of environments—-fresh water, saltwater aquariums, aquaculture, terrariums, and hydroponic systems.


  • Protective sleeve;
  • Versatility;
  • Accurate thermal control;


  • No warranty information found;
  • Does not last for too long;

2. Aqueon Pro Adjustable Heater, 100W

Aqueon Pro fish tank and aquarium heater with electronic thermostat

Ideal for: Large capacity tanks / fresh or saltwater aquariums;

Aqueon heaters are shatterproof and fully submersible, and they can be used in both freshwater and saltwater environments. Featuring an electronic thermostat for more accurate temperature settings, it is a strong contender for the title of “best aquarium heater on the market today”. The Aqueon Pro heater ensures a constant and accurate temperature, and thus a safe environment for fish.


  • Lifetime warranty;
  • Various wattage options;


  • Significant temperature fluctuation;

1. Best Aquarium Heater – Finnex Electronic Controller Aquarium Titanium Tube

Finnex electronic controller aquarium titanium tube with heater for fish tanks

Ideal for: Systems requiring strength and durability;

The Finnex aquarium heater is designed with larger tanks in mind. Electronic controlling capabilities make it easy to change the temperature as needed. The fact that the core is made from pure titanium is justification for the added cost of operation. For the money, this heater seems to be the best aquarium heater around.


  • Durability;
  • Precise temperature control;


  • Slightly pricey;


The review above has hopefully taken some of the guesswork out when it comes to choosing the best aquarium heater for your home, your pets, and your lifestyle. Our review is by no means an exhaustive list of all good aquarium heaters on the market today, so please feel free to share any additional information or other products with the rest of our readers. We appreciate your thoughts and comments!

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