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Home » Best Aquarium Heater 2022

Best Aquarium Heater 2023

December 18, 2022 by Editorial Team

The aquarium heater is the unsung hero of the aquarium — it keeps the water temperature at the right level for your fish, but you almost forget it’s there until you notice your tank is cooler near the edges than in the center. If you’ve ever used a subpar heater or put up with warmer or cooler water than your fish need, this one’s for you.

To help you select the best aquarium heater, we’ve done the research for you and rounded up our top picks.

Read on for our full list of the best aquarium heaters.

# Preview Product Price
1 Orlushy Submersible Aquarium Heater,300W Adjustable Fish Tahk Heater with 2 Suction Cups Free Thermometer Suitable for Marine Saltwater and Freshwater Orlushy Submersible Aquarium Heater,300W Adjustable Fish Tahk Heater with 2 Suction Cups Free Thermometer Suitable for Marine Saltwater and Freshwater $25.99 Buy on Amazon
2 HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water for Saltwater and Freshwater HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water for Saltwater and Freshwater $30.39 Buy on Amazon
3 Fluval E300 Advanced Electronic Heater, 300-Watt Heater for Aquariums up to 100 Gal., A774 Fluval E300 Advanced Electronic Heater, 300-Watt Heater for Aquariums up to 100 Gal., A774 $62.56 Buy on Amazon
4 Hitop 50W/100W/300W Adjustable Aquarium Heater, Submersible Glass Water Heater for 5 – 70 Gallon Fish Tank (100W for 10-30 Gallon) Hitop 50W/100W/300W Adjustable Aquarium Heater, Submersible Glass Water Heater for 5 – 70 Gallon Fish Tank (100W for 10-30 Gallon) $15.97 Buy on Amazon
5 hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving Water Automatically Stop Heating System, for Freshwater and Saltwater hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving Water Automatically Stop Heating System, for Freshwater and Saltwater $56.99 Buy on Amazon
6 Marineland Precision Heater for Saltwater or Freshwater Aquariums Marineland Precision Heater for Saltwater or Freshwater Aquariums $23.35 Buy on Amazon
7 hygger 800W Titanium Steel Aquarium Heater for Fresh Water, Digital Submersible Heater with Built-in Thermometer, External LCD Display Thermostat Controller, for Fish Tank 120-180 Gallon hygger 800W Titanium Steel Aquarium Heater for Fresh Water, Digital Submersible Heater with Built-in Thermometer, External LCD Display Thermostat Controller, for Fish Tank 120-180 Gallon $79.99 Buy on Amazon
8 Fluval M50 Submersible Heater, 50-Watt Heater for Aquariums up to 15 Gal., A781 Fluval M50 Submersible Heater, 50-Watt Heater for Aquariums up to 15 Gal., A781 $17.69 Buy on Amazon
9 Submersible Aquarium Heater, 800W/1200W fish tank heater, double tube heating, rapid heating and energy saving, LED digital temperature controller, suitable for sea water and fresh water(1200W) Submersible Aquarium Heater, 800W/1200W fish tank heater, double tube heating, rapid heating and energy saving, LED digital temperature controller, suitable for sea water and fresh water(1200W) $79.88 Buy on Amazon
10 Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt $11.99 Buy on Amazon

Our Editor’s Best Aquarium Heater Reviews


Orlushy Submersible Aquarium Heater,300W Adjustable Fish Tahk Heater with 2 Suction Cups Free Thermometer Suitable for Marine Saltwater and Freshwater

 Orlushy Submersible Aquarium Heater,300W Adjustable Fish Tahk Heater with 2 Suction Cups Free Thermometer Suitable for Marine Saltwater and Freshwater

Key Features:

  • This aquarium heater is a 300W model that is suitable for 40 to 55 gallon aquariums. It has a length of 11 inches, a voltage of 110-120V, and a power cord that is 6 feet long.

  • The heater has an adjustable temperature, however it is not entirely accurate. It is easy to turn and can be adjusted at small intervals.

  • This aquarium heater is made with 2mm thickened quartz glass, making it explosion proof. It can be used in both fresh water and salt water aquariums, and is easy to hide in the tank.

  • This aquarium heater has a precise temperature dial that allows you to control the aquatic climate within a 1-degree difference.

  • This aquarium heater is adjustable, reliable, and has an automatic shut-off feature.

$25.99 Buy on Amazon


HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water for Saltwater and Freshwater

 HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water for Saltwater and Freshwater

Key Features:

  • The aquarium heater is rapid heating and has two temperature control system of Fahrenheit and Celsius. The temp range is 63-94℉/17-34℃.

  • The aquarium heater has an intelligent temperature and water sensor system that will automatically stop heating when the heater is out of water or if it heats beyond the set temperature. The indicator light will turn green in both cases to ensure the safety of you and your aquatic organisms.

  • This aquarium heater is made of explosion-proof quartz glass material and a high-temperature resistant nickel-chromium heating wire with silicon carbide heat conduction. It has a stronger black shell which is a high temperature resistant ABS material.

  • The aquarium heater has an external digital display controller that accurately displays the water temperature in Fahrenheit and Celsius. The controller has a button that can be pressed to switch between the two temperature scales. The controller also has a button that can be used to set the desired water temperature. The controller will display the current water temperature in red LED digits.

  • This aquarium heater is suitable for use in many different settings, such as a fish market or an aquarium. It is easy to install, with suction cups that attach to the tank walls or bottom. The heater has an adjustable temperature range, making it suitable for a variety of different aquatic life.

$30.39 Buy on Amazon


Fluval E300 Advanced Electronic Heater, 300-Watt Heater for Aquariums up to 100 Gal., A774

 Fluval E300 Advanced Electronic Heater, 300-Watt Heater for Aquariums up to 100 Gal., A774

Key Features:

  • This aquarium heater has dual temperature sensors that provide accurate and real-time water temperatures.

  • This aquarium heater has an LCD temperature display that is available in both Fahrenheit and Celsius. The temperature can be set to range from 68 to 93 degrees Fahrenheit.

  • If you’re looking for an aquarium heater that will heat up your tank quickly and safely, this is the one for you. It features fast heat technology and a safety shut-off, as well as an integrated fish guard to protect your fish and invertebrates.

  • This aquarium heater has a slim profile mounting bracket and a colored display alert system.

$62.56 Buy on Amazon


Hitop 50W/100W/300W Adjustable Aquarium Heater, Submersible Glass Water Heater for 5 – 70 Gallon Fish Tank (100W for 10-30 Gallon)

 Hitop 50W/100W/300W Adjustable Aquarium Heater, Submersible Glass Water Heater for 5 – 70 Gallon Fish Tank (100W for 10-30 Gallon)

Key Features:

  • This aquarium heater is made of thickened quartz glass that is 33% thicker than ordinary glass. It is explosion-proof and not easy to crack, making it safe for people and aquatic animals.

  • This aquarium heater is 100 watts and is suitable for 10-30 gallon fish tanks or turtle tanks. It is for both saltwater and freshwater use and must be completely submerged in water when in use.

  • This aquarium heater is accurate and can be adjusted to different temperatures. It also comes with a thermometer sticker to help you detect the water temperature without having to pay extra.

  • This aquarium heater has a long service life and is more space-efficient than other models. It features a ceramic frame with 8-slot multi-branched heating wire, and can dissipate heat more effectively.

  • This aquarium heater is a submersible heater that comes with accessories you need, in addition to the thermometer. It comes with 3 suction cups, one for replacement, and offers 12 months warranty, giving you peace of mind after your purchase.

$15.97 Buy on Amazon


hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving Water Automatically Stop Heating System, for Freshwater and Saltwater

 hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving Water Automatically Stop Heating System, for Freshwater and Saltwater

Key Features:

  • The aquarium heater is 800 watts and is suitable for 80 to 220 gallon saltwater and freshwater aquariums. The heater length is 10.8 inches, voltage 110-120V, and the power cord is 10.1 feet.

  • If you are looking for an aquarium heater that will automatically turn off when the water temperature gets too high or too low, then this is the heater for you. It also comes with an error code display and an alarm to let you know when the water temperature is out of range.

  • This aquarium heater has a digital LED controller that is temperature adjustable and has an accuracy of +/- 1 degree Fahrenheit. The controller can be mounted on the edge of the aquarium tank to adjust the temperature without having to reach into the water. The LED controller also shows the current water temperature, preset temperature, working power, and more warning signs of low/high temperature/auto shut off.

  • This aquarium heater is made of explosion-proof quartz glass and high-temperature resistant nickel-chromium heating wire, which results in faster water heating, safer, and more longer-lasting. The heater guard is made of high quality PC plastic to protect your fish from burns.

  • This aquarium heater is a complete set that comes with a controller, 3 suction cups, 1 bracket, and 1 hook. It has a 12-month warranty.

$56.99 Buy on Amazon


Marineland Precision Heater for Saltwater or Freshwater Aquariums

 Marineland Precision Heater for Saltwater or Freshwater Aquariums

Key Features:

  • This aquarium heater is for aquariums up to 80 gallons and has an adjustable temperature dial that allows you to set the temperature 1 degree with every click.

  • This aquarium heater has a thermal switch that automatically turns off the heater when the temperature rises above a preset internal temperature, and turns the heater back on once the temperature cools down.

  • This aquarium heater has an advanced heating element that contains a mica core surrounded by a mesh heating element. This provides superior heat transfer with enhanced durability.

  • The aquarium heater has an advanced mounting bracket that attaches securely to glass and provides 3 window positions to view the temperature display.

  • The aquarium heater has an easy-to-view sliding scale that tells the exact temperature setting, and a top dial view that shows the setting from an additional location.

$23.35 Buy on Amazon


hygger 800W Titanium Steel Aquarium Heater for Fresh Water, Digital Submersible Heater with Built-in Thermometer, External LCD Display Thermostat Controller, for Fish Tank 120-180 Gallon

 hygger 800W Titanium Steel Aquarium Heater for Fresh Water, Digital Submersible Heater with Built-in Thermometer, External LCD Display Thermostat Controller, for Fish Tank 120-180 Gallon

Key Features:

  • This aquarium heater is designed for aquariums that are larger than 60 gallons and can heat up 3.5 gallons of water by 3 degrees Fahrenheit in just two minutes. It has two heating modes – MAX heating and ECO heating – which makes it more energy efficient than other high power heaters on the market.

  • This aquarium heater will automatically shut off if it overheats or is not fully submerged. It has a built-in thermometer and waterline detector. If the water temperature is over 97 degrees Fahrenheit, the controller will automatically shut off to prevent overheating. If the top of the heating element is out of water, the controller will automatically shut off and stop heating. The heater will automatically restart heating after it is fully submerged.

  • This aquarium heater has two digital displays, one on the controller and one on the heater. The display on the heater shows the current water temperature, and the controller display shows the current water temperature and the set temperature. You can check the water temperature on either display, and the digits are synchronized and updated.

  • This aquarium heater has a fully automatic smart thermostat that is easy to set. You can choose the temp digits from 70℉ to 94℉ by pressing the set button. The heater will stop heating when the water temp reaches the set temp, and it will restart heating when the water temp is 0.5℉ lower than the set temp. The heating mode is MAX heating when the set temp is 1℉ or more higher than water temp, it will be ECO heating when water temp is 0.5-1℉ less than the set temp.

  • This aquarium heater is made of black titanium steel and is covered by a sturdy plastic guard. It has a service life of 3 years or more. It can be used for fresh-water fish tanks. The aquarium heater comes with a sturdy clip, and there are 2 strong suction cups on the clip. It is easy to install the heater on to the fish tank wall. The fish tank heater can be placed horizontally or vertically, but must be fully submerged underwater.

$79.99 Buy on Amazon


Fluval M50 Submersible Heater, 50-Watt Heater for Aquariums up to 15 Gal., A781

 Fluval M50 Submersible Heater, 50-Watt Heater for Aquariums up to 15 Gal., A781

Key Features:

  • This aquarium heater is designed to blend in with your aquarium environment, with built-in reflective technology that mirrors the surrounding colors.

  • This aquarium heater has a computer-calibrated thermostat and an easy-to-adjust temperature control dial.

  • This aquarium heater is made of shock resistant Borosilicate glass and high density ceramic heat sick. It is designed to be durable and long lasting.

  • This is an aquarium heater that is easy to install with a slim profile tube for easy placement.

  • The aquarium heater is a 50-watt heater that is suitable for freshwater and saltwater aquariums up to 15 gallons. It has a 3-year warranty.

$17.69 Buy on Amazon


Submersible Aquarium Heater, 800W/1200W fish tank heater, double tube heating, rapid heating and energy saving, LED digital temperature controller, suitable for sea water and fresh water(1200W)

 Submersible Aquarium Heater, 800W/1200W fish tank heater, double tube heating, rapid heating and energy saving, LED digital temperature controller, suitable for sea water and fresh water(1200W)

Key Features:

  • This aquarium heater is made of explosion-proof quartz tube and high temperature resistant environmental protection ABS plastic, which is safe and durable for your fish tank. It has a high-definition LED digital display controller and a high-quality power cord.

  • This aquarium heater has an external smart thermostat that uses PID smart chips to heat quickly and efficiently while maintaining a constant temperature within ±1ºF.

  • The aquarium heater has a power-off memory function that will automatically restore the temperature setting before the power-off, saving you the trouble of resetting the temperature.

  • This aquarium heater has a number of features that make it ideal for a shopper. Firstly, it has an automatic power-off protection function that kicks in when it leaves the water surface. Secondly, it has automatic fault detection, so if there is a problem with the heater, it will prompt you. Thirdly, it has an LED digital display, so you can easily see the temperature of the fish tank. Fourthly, it has constant temperature protection to prevent your fish from being cooked. Finally, it adopts frequency conversion heating technology to save energy and electricity.

  • This aquarium heater has a power output of 800 watts and is suitable for fish tanks ranging in size from 100 to 210 gallons. It is also suitable for seawater fish tanks and freshwater fish tanks.

$79.88 Buy on Amazon


Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt

 Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt

Key Features:

  • The aquarium heater has an indicator light that lets the shopper know when the heater is on. The light will be red when heating and green when the proper temperature has been reached.

  • This aquarium heater can maintain water at 78° F automatically, which is ideal for most tropical fish. No adjustment is required.

  • This aquarium heater is ideal for aquariums between 2 to 10 gallons with hoods or glass canopies. It features an automatic shut-off function that kicks in when the water temperature reaches 96°F, helping to prevent your fish from over-heating.

  • This is an aquarium heater that can be installed vertically or horizontally, and is small enough to be hidden behind plants or other decorations.

  • This is an aquarium heater that the shopper should not plug into an electrical outlet until it is placed inside the aquarium.

$11.99 Buy on Amazon


Best Aquarium Heater Buying Guide

Before choosing the best aquarium heater you should consider following options:

1. Heat Source: There are two main heat sources for aquarium heaters: electricity and gas. Electricity is the most popular heat source.

Electric heaters are available as integrated heaters that include both the heating element and the aquarium-water pump.

The other option is a heat strip, which is basically a heating element that is attached to the bottom of the aquarium by suction cups or something similar.

Gas heaters include either an integrated gas cartridge or a separate gas cartridge. A separate gas cartridge will require a separate aquarium-water pump.

The choice of heat source depends on the needs of the aquarium owner. Electric heaters are usually the most convenient option, as they don’t require any special maintenance.

Gas heaters usually offer higher heat output, but they require some special maintenance, and if they break down, they might be difficult to replace.

2. Wattage: All heaters have a wattage rating, which tells you how much heat they are capable of producing.

However, wattage rating doesn’t tell you how much heat the heater is actually producing.

There are a few important factors that determine how much heat the aquarium heater is producing: the efficiency of the heater, the amount of heat that gets lost from the aquarium to the surrounding environment, and the temperature of the water that the heater is immersed in.

The efficiency of the heater is mainly determined by the materials used in the heating element, the thickness of the heat sink, and the quality of the electronic components.

The amount of heat lost from the aquarium to the surrounding environment depends mainly on the thickness of the aquarium and the size of the aquarium water pump.

The size of the aquarium water pump is mainly determined by the size of the aquarium and the amount of water flow in the aquarium.

The amount of water flow in the aquarium is mainly determined by the size and shape of the aquarium, and by the amount of fish and/or live plants in the aquarium.

The size and shape of the aquarium is mainly determined by the type of aquarium: rectangular, cube, tall, etc.

There are some other factors that can affect the amount of heat lost from the aquarium to the surrounding environment: the thickness of the aquarium walls, the size and type of the lid, the amount of water flow in the aquarium, the size of the aquarium water pump, the thickness of the aquarium floor, the size and type of the substrate, etc.

The temperature of the water that the heater is immersed in can also affect the amount of heat the heater is producing: the higher the temperature, the more heat the heater will produce.

The temperature of the water is mainly determined by whether the aquarium is indoors or outdoors, the climate where the aquarium is, etc.

3. Wattage for Square Footage: There is an equation that can be used to calculate the wattage needed for your aquarium based on the size of the aquarium and the type of heat source:

Wattage = (1 watt per gallon of water) x (gallons of water in the aquarium) x (100 watts per degree Fahrenheit increase) x (increase in degrees Fahrenheit).

So, if you have a 60-gallon aquarium, with a heat strip as the heat source and you want to heat the aquarium by 2 degrees Fahrenheit, you would need a heater that is capable of producing at least 120 watts.

You can also use a simpler rule of thumb, which says that you should get a heater that is capable of


Aquarium Heater FAQs

1. What are the different types of aquarium heaters?

There are two main types of aquarium heaters: immersion and submersible. Immersion heaters are placed inside the tank, while submersible heaters are placed underneath the gravel.

2. How do aquarium heaters work?

Aquarium heaters typically use a heating element, which is most often made from ceramic, to heat the water inside the aquarium. The heating element is placed inside the aquarium, either near the bottom or suspended in the water, and is connected to an external power source. The heating element is controlled by a thermostat, which turns the heating element on and off to maintain the desired water temperature.

3. What are the benefits of using an aquarium heater?

Some benefits of using an aquarium heater are that it can help maintain a consistent water temperature, which can be important for the health of your fish, and it can also help prevent your aquarium water from becoming too cold.

4. How do I choose the right aquarium heater for my tank?

The size of the aquarium heater you need depends on the size of your tank.

5. How do I install an aquarium heater?

Most aquarium heaters come with suction cups that allow you to attach the heater to the side of the tank. You will also need to plug the heater into an outlet.


Conclusion

There are many great aquarium heater on the market. Our list of the best aquarium heater will help you save time researching and choosing the best one for you.

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