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Best Aquarium Heater in 2019

Almost anyone reading this knows what an aquarium is and how important it is for creatures involved in its environment. These organisms in the aquarium require optimum room condition so they would be able to survive. An aquarium heater keeps the water which is their habitat at the best temperature, and it is important to get the best aquarium heater to the job.

The best aquarium heater has several qualities, and the use is considered safe. However, if you buy a good aquarium heater, then be sure you can regulate the temperature of water to a wide range of options. In this review, we would discuss different types of best aquarium heaters you can get easily on the market. Furthermore, we will advise on what is the best aquarium heater based on our research and reviews from users. Below are the top 8 best aquarium heaters in 2019.

TOP 8 Best Fish Tank Heaters Compared & Reviewed
Aquarium Heater Power Heat Capacity LCD Display Aquarium Type Best Feature Rating
Fluval Electronic Heater

Fluval Electronic Heater

200 W

65 Gallons

Yes

Any Aquarium

Mounting Bracket

5.0 of 5
Cobalt Aquatics Neo-Therm. Heater

Cobalt Aquatics Neo-Therm. Heater

100 W

29 Gallons

No

Freshwater, Saltwater Aquariums and Terrariums

One-touch Control

4.9 of 5
Aqueon Pro Heater

Aqueon Pro Heater

100 W

75 Gallons

No

Freshwater and Saltwater Aquariums

Thermostat

9.8 of 5
Eheim Jager Thermostat Heater

Eheim Jager Thermostat Heater

200 W

79-106 Gallons

No

Freshwater and Saltwater Aquariums

Calibration

4.6 of 5
ViaAqua Titanium Heater

ViaAqua Titanium Heater

300 W

80 Gallons

Yes

Freshwater and Saltwater Aquarium

Remote Sensor Control

4.6 of 5
Hydor In-Line External Heater

Hydor In-Line External Heater

200 W

85 Gallons

No

Marine and Tropical Aquariums

Elite Technology

4.5 of 5
Adjustable Submersible Aquarium Heater

Adjustable Submersible Aquarium Heater

200 W

30-40 Galloons

No

Freshwater and Marine Aquariums

Controller

4.4 of 5
Tetra HT Submersible Aquarium Heater

Tetra HT Submersible Aquarium Heater

50 W

2-10 Gallons

No

Aquariums from 2-55 Gallons

Electronic Thermostat

9.3 of 5

1. Best Overall: Fluval Electronic Heater

Best Overall: Fluval Electronic Heater

This is an aquarium heater that is fully submersible with a wide range of power options. It is suitable for all tank sizes with enough heat capacity. However, it has a unique feature which is a mounting bracket that allows the heater to be successfully mounted at different positions for displayed screen view.

This aquarium heater has an LCD display which shows various water temperatures and allows you to regulate it easily. Also, it has a safety shut-off system that speeds up the heat for the aquarium if the water level reduces. It is safe for your fish or aquatic animals because of the integrated fish guard and glass sleeve that comes with this best fish tank heater.

PROS
  • A safety shut-off system to aid water level
  • Fish guard and glass sleeve for protection
  • LCD display to view temperature changes
  • A slim profile which makes it easily adjustable
CONS
  • Quite expensive but of a good value for money

2. Best Thermal Protection: Cobalt Aquatics Neo-Therm. Heater

Cobalt Aquatics Neo-Therm. Heater

This is a fully submersible fish tank heater that provides maximum protection for aquatic life. The flat design is so simple and attractive and still retains the beauty of your aquarium. There are also wide ranges of Power in watts (ranging from 25 W to 300 W). One unique feature of the aquarium heater is the one-touch control which allows you to regulate the temperature or heat easily.

Unlike others that use LCD display, Cobalt Aquatics has LED display that simultaneously shows the set temperature and the aquarium temperature. All you have to do is set the temperature to a certain degree and leave it till the point is met. It is also shatterproof, so you don’t have to worry about the glass breaking. Is this the best fish tank heater for you? That’s something you need to figure out!

PROS
  • Shatterproof
  • In case of overheating, it shuts down automatically
  • A unique One-touch control system
  • A wide range of Power (Watts)
CONS
  • Suction pads lose strength easily due to high temperatures

3. Best Value: Aqueon Pro Heater

Aqueon Pro Heater

This is the most reliable aquarium heater because of its reputation over the years as well as its incredible features. Aqueon Pro heater is a submersible aquarium heater that has a wide range of Power options and can be used on several types of tanks (in gallons). It is thermoplastic and comes with a shatterproof design.

It is also an adjustable aquarium heater with a control knob. Although it does not have LCD display, it has a LED light for monitoring where each color has special meaning. Red means heating, green means set temperature reached. With the aid of the thermostat, the aquarium heater can turn itself off if the heater is not in contact with water and vice-versa if it is in water.

PROS
  • Shatterproof
  • LED light
  • Can be placed in any position
CONS
  • Doesn’t shut off automatically when there is overheating

4. Best Range of Watts and Lengths: Eheim Jager Thermostat Heater

Eheim Jager Thermostat Heater

Eheim aquarium heater is another aquarium heater whose performance is topnotch. The heater does a great deal of good with its wide range of Power and Length options. It has a safety shut-off system when water level reduces. This best fish tank heater is shatterproof, so you don’t have to worry about glass.

Eheim aquarium heater requires a calibration procedure which should be done days before being put to use. This fish tank water heater has an indicator light that connotes different meanings of heat or temperature levels.

PROS
  • A wide range of power and length options
  • Can be accessed easily when placed vertically
  • Safety shut-off system
  • Shatterproof
CONS
  • A calibration process is quite stressful

5. Best Sensory Heater: ViaAqua Titanium Heater

ViaAqua Titanium Heater

This is another submersible 300w aquarium heater with great performance. It is a 100 to 300 Watts aquarium water heater that uses a sensory remote control. This remote sensor requires certain skills; you will be able to know the true temperature of the aquarium when the remote is far away from the heater.

Also, this 300 watt aquarium heater has an external control unit which makes it easy to read and adjust the temperature to desired degrees. It uses a LED light to show and detect changes in the aquarium. With regard to its structure, this best saltwater aquarium heater can boast of Titanium heating unit which is more than shatterproof.

PROS
  • Remote sensor
  • LED light displays changes
  • Water temperature is maintained at optimum
  • Titanium element makes it more than shatterproof
CONS
  • Too much heat could destroy aquatic life

6. Best Elite Technology: Hydor In-Line External Heater

Hydor In-Line External Heater

This is another aquarium heater with a great elute technology. The mode of operation manages the temperature well; hence, overheating is avoided. You don’t have to worry about the safety of your aquatic animals when you use this heater, and it is often advised to be placed vertically.

The setup of the heater is very easy and doesn’t take too much time. The heat performance is quite good too, and that is what puts this model as the best fish tank heater in our list.

PROS
  • Performance is topnotch
  • Thermostat works perfectly
  • Safe and easy to use
  • Can be used for all kinds of aquarium
CONS
  • Quite complex to adjust

7. Best Size Heater: Adjustable Submersible Aquarium Heater

Adjustable Submersible Aquarium Heater

This is no doubt the perfect aquarium heater to get for your aquarium. It has a power of up to 200 W and the structure is quite great. The aquarium heater is shatterproof and can be used at different temperatures.

This aquarium heater for sale has an external protective sleeve which protects your aquatic organisms and a LED display feature to view changes. It is useful in both freshwater and marine aquariums.

PROS
  • Shatterproof
  • Explosion proof
  • Comes with a controller and a protective sleeve
  • LED light to note changes
CONS
  • May overheat

8. Best for Marine and Tropical Fish: Tetra HT Submersible Aquarium Heater

Tetra Crescent Acrylic Aquarium Kit

This aquarium heater is mainly known for its indicator lights and the electronic thermostat that comes with it. It has a small size, but you should find a tank in which it will be useful in with regard to heat capacity. Tetra HT is a small submersible heater; hence, it should be easy to install.

PROS
  • Comes with an electronic thermostat
  • Portable size
  • Tank capacity is quite amazing
  • Indicator lights to display changes
CONS
  • Only one temperature is available

Types of Best Aquarium Heater

From the aquarium heater reviews above, there are different types of best aquarium heaters and each one of them has their level of performance. The best aquarium heaters divide into:

  • immersible
  • submersible
  • in-filter
  • in-line
  • in-sump
  • substrate aquarium heaters

The performance of these different types is determined by the power it uses and the number of gallons it fills.

Regardless of the type of aquarium heater you get, ensure it performs the function of why you are buying it effectively. Therefore, you need to understand these different types of the best aquarium heater and make your decisions on the type you want. Also, there are factors to be considered while making your choice and it will be explained below.

The Best Aquarium Heater in 2019: Final Advice

Having reviewed and compared all aquarium heater for sale, it is important for us to sort out the best amongst them all. This is important to aid customer’s choice while selecting from several top options. Overall best out of the best aquarium heaters is Fluval Electronic Heater.

It is your number one choice if you want an aquarium heater with a good range of power. For each Power, in Watts, there are different heat capacities i.e. 100-300 W (60-120 gallons).

There are benefits you get from using the aquarium heater:

  • It is very easy to use and maintain
  • It can fill a lot of gallons in short power

Other types of the best aquarium heaters are also great, they have also been considered based on the following factors: price, rate, capacity, features. In fact, some of them could be preferred over Fluval based on one or two things that buyers may find intriguing which Fluval may not have.

In conclusion, the best aquarium heater out of the several great ones is found and it’s

Fluval Electronic Heater. You can also get any of the best aquarium heater listed above if it fits perfectly into your budget. One thing you should know is: the best aquarium heaters reviewed above will still be very much in use in 2019.