Top 10 Best External Aquarium Heater [2022]

Last Update:

Are you looking for External Aquarium Heater Reviews? Our experts found 53889 number of feedback online for "External Aquarium Heater" and shortlisted them. This suggestions is created for those looking for their ideal External Aquarium Heater. On selected products for the Best External Aquarium Heater you will see ratings. The rating matrix we have generated is based on user ratings found online. Take a look -

Best External Aquarium Heater

Comparison Chart for Best External Aquarium Heater

53889 number of user reviews were available online, which we scanned to find the External Aquarium Heater. Hopefully, our experts suggestions available in this article will help you find your ideal choice.

NoProductScoreAction
1hygger 300W Aquarium Heater with External Digital Temperature Controller Reef Saltwater Fish Tank Heater for 30-60 Gallon Tank9.8Buy On Amazon
2hygger Fully Submersible 800 W Aquarium Heater with External Temperature Display Controller Upgraded Double Quartz Tubes Fish Tank Heater for 80-190 Gallon9.4Buy On Amazon
3SZELAM Submersible Aquarium Heater9.2Buy On Amazon
4hygger 500W Aquarium Heater for Fresh-Water Salt-Water9.2Buy On Amazon
5AQQA Aquarium Heater 500W 800W Submersible Fish Tank Heater with Double Explosion-Proof Quartz Tubes and External LCD Display Controller for Marine Saltwater and Freshwater9Buy On Amazon
6hygger 800W Titanium Steel Aquarium Heater for Marine and Fresh Water8.8Buy On Amazon
7hygger 200W Titanium Aquarium Heater for Salt Water and Fresh Water8.8Buy On Amazon
8YOFOTHS Aquarium Heater 25W/50W/100W8.6Buy On Amazon
9DaToo Aquarium External Heater in-Line Fish Tank External Heater 300W for Canister Filter8.4Buy On Amazon
10JamgoZoo Aquarium Heater with Thermostat: 100W/200W/300W/500W Fish Tank Heater8.2Buy On Amazon

1. hygger 300W Aquarium Heater with External Digital Temperature Controller Reef Saltwater Fish Tank Heater for 30-60 Gallon Tank

  • Over Heat Protection]♦️ This fully submersible aquarium heater enables memory function and over heat protection.
  • Made with Premium Quartz] ♦️ and double sealed by black protective guard this fish tank heater is resistant to explosion and corrosion, and protect fish and other livestocks from punching and scalding.
  • Build-in External IC Temp Controller] ♦️easy to read blue LED digital number shows real time water temperature.
  • Easy to Set Temperature ] ♦️without getting hands wet.
  • 300 watt aquarium heater]♦️ voltage 110-120V, suitable for tank capactiy 30-60 gallon freshwater and saltwater aquariums.

2. hygger Fully Submersible 800 W Aquarium Heater with External Temperature Display Controller Upgraded Double Quartz Tubes Fish Tank Heater for 80-190 Gallon

  • External Digital Display Controller】With its easy-to-use LED digital screen simultaneously displays the set temperature and the current aquarium temperature.
  • Double Tubes Heating Element】Featuring shatterproof quartz glass tube + nickel-chromium heating wire for fast, steady, more evenly distributing heat.
  • Running-Dry Shut Off Protection】This is a completely submersible heater that will stop working when exposed to air and display error code “E1”, which resets itself to resume working when placed back into the water.
  • Overheating Protection】This fish tank heater automatically turns off and displayed “HH” error code once the water temperature reaches 95°F.
  • Works in both Freshwater and Saltwater Tank】The 800 watt aquarium heater can be used to heat for a 80-190 gallon aquarium.

3. SZELAM Submersible Aquarium Heater

  • Precise Temperature Control with Temp Probe.
  • External Temperature Controller with Dual Temp Displays.
  • Built with Overheat and Water Shortage Protection.
  • Top Quality Material Brings More Safety Guarantee.
  • Super Easy to Setup with Wide Compatibility.

4. hygger 500W Aquarium Heater for Fresh-Water Salt-Water

  • Quickly Heat Up】Voltage 110-120V/60HZ, power 500W, US three-pin plug, heater rod length 10.
  • Auto on and off 】Reliable submersible aquarium heater.
  • Fully Submerged】The heater tube and the separate sensitive thermometer must be completely submerged under water all the time.
  • Led Display Controller】Only show Fahrenheit degrees.
  • For long Time Use】Very durable and explosion-proof aquarium heater, can be used for saltwater and freshwater aquariums, service life can be 3 years or more.

5. AQQA Aquarium Heater 500W 800W Submersible Fish Tank Heater with Double Explosion-Proof Quartz Tubes and External LCD Display Controller for Marine Saltwater and Freshwater

  • 2 Tube Explosion-proof Quartz Glass Aquarium Heater】The inside of this aquarium heater is made of 2 explosion-proof quartz tubes and high temperature resistant nickel-chromium alloy heating wires, which has excellent thermal conductivity and is very safe and durable.
  • Precise Intelligent Heating & Memory Function】The aquarium heater has built-in sensitive dual temperature probes, making the temperature accuracy within ±1℉/±1℃.
  • 2 Automatic Power-off Protection & Prevent Fish From Burning】For the protection of the fish and your safety, the fish tank heater is equipped with 2 automatic power-off protection functions: ①Run Dry Protection: automatically turns off when the heater is exposed to air, the display shows “E1” and flashes.
  • Convenient External LCD Display Controller】The dual-temperature LCD display can show the real-time water temperature and the set temperature at the same time, which is very clear and you don’t need to buy a thermometer separately.
  • Wide Range of Use & Reliable Purchase】AQQA 2021 upgraded submersible aquarium heater is very suitable for 66-220 gallon aquariums, and can be used for both marine saltwater and freshwater.

6. hygger 800W Titanium Steel Aquarium Heater for Marine and Fresh Water

  • Energy Saving Heater for Aquarium Larger than 60 Gal】voltage 110-120V/60HZ, power 800W, US three-pin plug, heater length 9.
  • Auto Shut Off When Overheating or Not Fully Submerged】with built-in thermometer and waterline detector, when the water temp is over 97F, the controller will auto shut off to prevent overheating, when the top of heating element is out of water over 0.
  • Dual Digital Displays on Controller & Heater】the digit display on the heater is to show the current water temp, the controller digit display will show the current water temp and the set temp.
  • Fully Automatic Smart Thermostat】 it’s very easy to set the temp on the controller, just press the set button to choose the temp digits from 70℉ to 94℉, only integer value can be chose.
  • Suitable for Fresh Water & Marine Water】durable black titanium steel heating element, covered by sturdy plastic guard, service life can last for 3 years or more.

7. hygger 200W Titanium Aquarium Heater for Salt Water and Fresh Water

  • For Fish Tank 20-45 Gallon】voltage 110-120V, power 200W, heater rod length 10.
  • Fully Automatic Control】very easy and reliable to use.
  • Durable Titanium Tube】this seawater resistant titanium aquarium heater is good for use in salt water and fresh water, service life can be 3 years or more.
  • Digital LED Display】the IC temp controller can show the water temp and set temp at the same time, and there is a indicator light to show the heating status.
  • Wide Temperature Range】With the thermostat controller you can set the temp from 32℉to 104℉, control precision is 1℉, please set the right temp for your aquarium pets.

8. YOFOTHS Aquarium Heater 25W/50W/100W

  • 50Watts Small Fish Tank Heater】 This Aquarium Heater is suitable for 5-10 gallons tanks, Mini size can well fit your mini tanks.
  • Precise and Constant Temperature】An intelligent IC chip controls the heater’s temperature.
  • External Temperature Controller】Adjust the temperature from 64℉ to 93℉, This submersible heater is adjusted by an external controller, which you can mount on the outside edge of the tank.
  • Prevent for Over Heating and Out of Water Protection】 The heater will cut off power and stop heating automatically when the fish tank heater is out of water or the water temperature is over 95F.
  • Notice】During its heating time, heater must be 100% immersed into the water.

9. DaToo Aquarium External Heater in-Line Fish Tank External Heater 300W for Canister Filter

  • Perfect Aquarium External Heater For Your Needs: For every hobbyist or professional fish breeder with a canister filter, a perfect external heater is essential.
  • Leading Temperature Control System: For the health of fish, a precise and constant temperature is very important.
  • Safe Over-Heat Protection: DaToo Aquarium External Heater has two temperature sensors, one at the heater inlet and the other at the outlet.
  • Replaceable Inlet And Outlet: For different Canister Filter needs, we have prepared three different sizes of inlet and outlet heads in the box, 1/2″ (12mm), 5/8″ (16mm) and 20mm.
  • Sturdy & Durable & One Year Warranty: Heating tube is made of German imported glass-ceramic, which is explosion-proof, shatterproof and very durable.

10. JamgoZoo Aquarium Heater with Thermostat: 100W/200W/300W/500W Fish Tank Heater

  • Durable Explosion-proof Quartz Glass Aquarium Heater】- JamgoZoo 200W Aquarium Heater is desinged for 45-80 gallen tank and made of hard quartz and quality plastic cover.
  • Safety Guarantee】- With anti-dry heating protection and overheating protection, when the water temperature exceeds 94℉, the adjustable aquarium heater will stop and alert.
  • Precise and Constent Temperature Control】- The temperature tolerance is controlled within ± 2 ℉.
  • External Smart HD Controller】- Press the button to set the temperature ranging from 59℉ to 93℉, and there are two temperature units ℃/℉ switchable (long press for 5 seconds).
  • Easy to Use and Hide】- Submerge the heater in water, connect the to the power supply and set the temperature to start heating.

How To Choose The Best External Aquarium Heater

Does the thought of finding a great External Aquarium Heater stress you out? Has your mind been juggling between choices when it comes to buying External Aquarium Heater in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect External Aquarium Heater for themselves. We understand the stress associated with the buying process!

Since you’re here, you are obviously curious about External Aquarium Heater. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.

There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.

But that’s not always easy, right? That's why we've taken time to compile a list of the best External Aquarium Heater in today's market, on your behalf, so that there will be no more worries for you.

How did we come up with the list, you ask? How did we create this buying guide?

  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best External Aquarium Heater currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-

  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.


Top External Aquarium Heater brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.

  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top External Aquarium Heater based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the External Aquarium Heater before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the External Aquarium Heater they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good External Aquarium Heater, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your External Aquarium Heater before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable External Aquarium Heater will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good External Aquarium Heater if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated External Aquarium Heater on the market, the products that got mostly negative ratings get filtered and discarded.
These are the criteria we have chosen our External Aquarium Heater on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.

Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any External Aquarium Heater featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

Leave a Comment