Editor's Choice - Our Favorite VIVOSUN Aquarium Heaters

1. VIVOSUN 50W-500W Aquarium Heater Submersible Titanium Fish Tank Heaters with Intelligent LED Tempera...

User Ratings: 73 8

VIVOSUN First Impressions

"Just bought a second one!"

The heater is being used in a 40 gallon breeder. We would consider a replacement and then we would return the defective unit. I would definitely recommend this product. The temperatures are pretty accurate. I got a hold of Amazon, who put me in touch with the seller. 210 gallon ones and one 90 gallon bow front tank. After several weeks of running the heater.

  • VIVOSUN 50W-500W Aquarium Heater Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display and External Temperature Controller
  • PRECISE TEMPERATURE CONTROL: An intelligent IC chip controls the heater temperature, making the temperature difference within ±1℃/±2ºF; Provide the best living environment for your aquatic creatures
  • SAFETY GUARANTEE: Made with IP68, the highest waterproof level; and a titanium tube material that features explosion-proof and anti-corrosion engineering, which makes this submersible heater more resistant to damage while heating better than traditional glass heaters; Built with overheat and water shortage protection
  • EXTERNAL TEMPERATURE CONTROLLER: The touch-button controller adjusts the temperature without getting your hands wet. It’s easy to control the temp from 68℉/20°C to 94℉/34°C; Check the size chart to find your desired fish tank heater
  • EASY TO SETUP: 300W submersible heater is suitable for 50 to 60 gallons aquariums; Vertical or horizontal installation and ensure the device is fully submerged underwater
  • WIDE COMPATIBILITY: The fish tank aquarium heater has CE, FCC and ROHS certification and the plug has a UL certification; Applicable for freshwater and marine aquariums, aquaculture, glass containers, and hydroponic systems
  • Press set button to start the temperature setting. The LED display will start to flash, continue pressing set button, the number in LED screen will circulate from 68 to 94 °F
  • Manufacture: VIVOSUN
  • Editor's Impressions Of The VIVOSUN
  • Heat Quality [star rating='4.7']
  • Quality [star rating='5']
  • Value For Money [star rating='4.6']
  • Affordability [star rating='3.8']

VIVOSUN Final Thoughts

"I bought the 7."

It is a bonus that the heater is titanium. I use a 50 for a 5 gal and a 10 gal tank. Sometimes it gets outside of it's ability to cool but only within a few degrees. I contacted the manufacturer and they sent me a new unit in less than a week! But my guys don't read them and don't listen! It took about an hour to reach 80f, which is fairly quick. I used to try those other cheap heaters sold on amazon.

Overall Score
4.4

[star rating="4.4"]
(1173 Points)

2. Hamilton Technology Aqua Euro Max Aquarium Chiller

User Ratings: 76 6

Hamilton Technology AC25H First Impressions

"Impressive."

I'm not a big fan of the big glass tubes. Keeps the water consistent and it's easy to adjust! I got the 200W variant for my 54 gallon corner tank that's housing goldfish. I have it set to 81F to get a 77F water temp. What more could you ask for great job Hygger Duncan. You program it for temperature you want your tank to be. When i installed them, i let them sit in the tanks without power for 6-24 hours.

  • Hamilton Technology Aqua Euro Max Aquarium Chiller
  • Maintain optimum water temperature by lowering the water temperature of your tank
  • Digital led temperature display control accurately maintains desired temperature
  • Anti-Freezing system will not allow the heat exchanger to freeze
  • Manufacture: Hamilton Technology
  • Product Dimensions: 14 x 10 x 14 inches; 30 Pounds
  • Editor's Impressions Of The Hamilton Technology AC25H
  • Heat Quality [star rating='5']
  • Quality [star rating='3.6']
  • Value For Money [star rating='5']
  • Affordability [star rating='4.9']

Hamilton Technology AC25H Final Thoughts

"So far so good."

It just cycles through to 93f and starts over. Seems to keep the temp n the tank fairly regular. I like the fact that it comes with a digital thermometer. We would consider a replacement and then we would return the defective unit. I waited a little bit to write the review so it could be accurate. Awesome chiller, perfect for Hydroponics. I like the fact that it comes with a digital thermometer.

Overall Score
4.5

[star rating="4.5"]
(77 Points)

3. hygger 200W Digital Quartz Aquarium Heater for Fresh-Water Salt-Water, with External Led Display The...

User Ratings: 79 13

hygger First Impressions

"The seller was wonderful."

This does a great job at regulating the temp in my 10 gallon. There is no protection from it banging on the glass tank. Pressing and holding the button for 5 seconds changes it from F to C readouts. Temperature is slightly off by running a little warmer. I'm not a big fan of the big glass tubes. I wouldn't buy any other heater, unless one of these stops working. My marina heater takes a few hours.

  • hygger 200W Digital Quartz Aquarium Heater for Fresh-Water Salt-Water, with External Led Display Thermostat Controller and Thermometer, Auto Submersible Heater for Fish Tank 15-30 Gallon
  • 【Fast Heating Up】voltage 110-120V/60HZ, power 200W, US three-pin plug, heater rod length 6.3 inch, 200W submersible heater for fish tank 15-30 Gallon. The heater power cord is 6ft, the controller power cord is 5ft, the thermometer cord is 4.6ft. Temp range: 61-90℉. Fast heating up aquarium heater, it takes about 3 minutes to heat 3.5 gallon water up 3℉
  • 【Fully Automatic Control】very easy and reliable to use. After finishing the temperature setting, the fish tank heater will run automatically by itself. It will stop heating when the water temp reaches to the set temp, please note that the water temp may go up 1℉ more because of the waste heat. When the water temp is cool down to 1℉ less than the set temp, the tank heater will restart heating
  • 【Must be Fully submerged】with strong suction cups on the heater guard and the thermometer, it's easy to install the aquarium heater no to the tank walls or bottom, please keep them fully submerged. The thermometer should be away from the heater and keep water circulation as far as possible. We provide 1 year warranty for this heater, if get any issues, just contact the seller directly
  • 【Digital LED Display Controller】the external IC temp controller can show the water temp with 2 blue LED digits. Only show Fahrenheit degrees. To set the temp, just press the button over and over until the screen displaying the temp you desired, then stop and wait the digit flashing for 3 times, the setting is done and the led shows the current water temp again. The controller is connect with separate sensitive thermometer
  • 【Quartz Tube & Plastic Guard】With high-quality quartz glass tube, it's very durable and explosion-proof, this fish tank heater can be used for saltwater and freshwater aquariums, service life can be 3 years or more. With low profile black plastic guard, easy to hide in the tank. The guard can prevent your aquarium pets from burned, the gaps on the guard is about 3mm, no worries for fish stuck. The plastic guard mustn't be exposed to air when the heater is heating
  • Manufacture: hygger
  • Editor's Impressions Of The hygger
  • Heat Quality [star rating='4.6']
  • Quality [star rating='3.5']
  • Value For Money [star rating='3.7']
  • Affordability [star rating='4.1']

hygger Final Thoughts

"No copper lines!"

I will definitely be buying another one for my other tanks at bigger one. The red light means it's off, blue light means the temperature is constant. The suction cups are large, high quality and seem to stick great. The line is there due to regulations in certain countries. I love the heater otherwise, but I'm afraid some water has gotten inside the heater. --The cylinder or rod diameter is bigger. I used to try those other cheap heaters sold on amazon.

Overall Score
4.4

[star rating="4.4"]
(29 Points)

4. Famus Aquarium Fish Tank Heater Protective Case Detachable Designed Cover with Suction Cups(42.5 cm)...

Famus First Impressions

"Seems very well built."

It is a bonus that the heater is titanium. If the blue light is flashing it means the heater is not fully submersible. Once attached to the tank wall I've had no issues with it coming off. Pressing and holding the button for 5 seconds changes it from F to C readouts. There is a misconception on the internet that the heater isn't fully submersible. I like to keep it at 72 and from my thermometer it is reading at exactly 72. You don't have to worry about wide temperature swings with this unit.

  • Famus Aquarium Fish Tank Heater Protective Case Detachable Designed Cover with Suction Cups(42.5 cm)
  • Manufacture: Famus
  • Editor's Impressions Of The Famus
  • Heat Quality [star rating='2.9']
  • Quality [star rating='3.4']
  • Value For Money [star rating='4']
  • Affordability [star rating='2.5']

Famus Final Thoughts

"Easy to unpack."

This heater warmed it right up and now my Betta and guppies are more active. My heater is fully submerged underwater and works perfectly fine. I bought a similar one at the pet store and it barely worked. The temperatures are pretty accurate. Temperature is slightly off by running a little warmer. I use a 50 for a 5 gal and a 10 gal tank. I got this heater for my 55 gallon aquarium.

Overall Score
3.0

[star rating="3"]
(1 Points)

5. Inkbird Aquarium Heater with Probe Thermostat Fish Ornamental Shrimp Reef Tanks 24 Hours Double Time...

User Ratings: 75 6

Inkbird First Impressions

"I like this heater."

The temperatures are pretty accurate. The suction cups are large, high quality and seem to stick great. This is only day one though, so I shall keep an eye one it. It would stick out of my 30 g wide tank if I were to put it vertical. I got this heater for my 55 gallon aquarium. Well I bought a second one took me only one trying to get the right temperature. The cover over the heating tubes is great, the turtles claws can't damage the tube.

  • Inkbird Aquarium Heater with Probe Thermostat Fish Ornamental Shrimp Reef Tanks 24 Hours Double Time with Day Night Automatic Temperature Controller
  • 【Two Heating Plug】 Temperature control mode: on / off control. Please note that it is just a heating controller with no cooling function. Both plugs can control heating. The probe comes with a suction tray, which can be easily installed on the water tank.
  • 【Applicable scene】Because it has the powerful function of corrosion protection, it is very suitable for fresh water, sea water aquarium, coral cylinder, ornamental shrimp and tropical fish.
  • 【Dual Time Cycle Setting】Different daytime and night temperatures can be set within 24 hours depending on the physical needs of animals and plants.
  • 【LED display screen】Plug-and-play products are designed with a dual liquid crystal display that provides a temperature display of Celsius or Fahrenheit, capable of displaying.
  • 【Different function】Temperature calibration, over-temperature sensor fault alarm(over-temperature and sensor fault alarm). Maximum output load: 1100 W (110 V).
  • Manufacture: Inkbird
  • Editor's Impressions Of The Inkbird
  • Heat Quality [star rating='3.8']
  • Quality [star rating='3.6']
  • Value For Money [star rating='5']
  • Affordability [star rating='5']

Inkbird Final Thoughts

"Peace out."

I would definitely recommend this product. The temperatures are pretty accurate. If the blue light is flashing it means the heater is not fully submersible. Sometimes it gets outside of it's ability to cool but only within a few degrees. I got the 200W variant for my 54 gallon corner tank that's housing goldfish. I dont know, and havent tried just yet. It does blend well in some setups and may look bulky in others.

Overall Score
4.5

[star rating="4.5"]
(944 Points)

6. ViaAqua 200-Watt Quartz Glass Submersible Heater with Built-In Thermostat

User Ratings: 74 5

ViaAqua VA 200Q First Impressions

"Temperature!"

Personally for me the housing doesn't bother me. It took me only two tries to get it to the correct temperature. Easy enough to let it run all the time. I left seller feedback yesterday but have yet to hear from the seller. Come on Fluval, expect better from you. This heater is NOT fully submersible. I had a thermometer on opposite side of tank and the heater was dead on true.

  • ViaAqua 200-Watt Quartz Glass Submersible Heater with Built-In Thermostat
  • High quality quartz glass
  • Fully-submerisble
  • Visible temperature setting
  • For use in fresh or saltwater aquariums
  • Manufacture: Commodity Axis
  • Product Dimensions: 1.13 x 1.13 x 12.5 inches; 9.44 Ounces
  • Editor's Impressions Of The ViaAqua VA 200Q
  • Heat Quality [star rating='4.7']
  • Quality [star rating='4.7']
  • Value For Money [star rating='5']
  • Affordability [star rating='5']

ViaAqua VA 200Q Final Thoughts

"I do recommend."

I got a hold of Amazon, who put me in touch with the seller. The controller is easy to use, very accurate and reliable. I got this heater for my 55 gallon aquarium. And kids love pushing all sorts of buttons. And I get to keep the first one I bought! I bought a similar one at the pet store and it barely worked. The design is sleek and modern looking.

Overall Score
4.5

[star rating="4.5"]
(888 Points)

7. IceProbe Thermoelectric Aquarium Chiller - 4 in. x 4 3/4 in. x 7 1/2 in.

User Ratings: 60 13

Nova First Impressions

"So far so good."

I will definitely be buying another one for my other tanks at bigger one. There is a misconception on the internet that the heater isn't fully submersible. I have 3 of the Fluval heaters, in various sizes. You program it for temperature you want your tank to be. Those turned out to be a hit and miss. Personally for me the housing doesn't bother me. I emailed the email it says to and told them.

  • IceProbe Thermoelectric Aquarium Chiller - 4 in. x 4 3/4 in. x 7 1/2 in.
  • Unit is 4" x 4 3/4" x 7 1/2" includes probe. Cord: 5' 9", probe cord: 6'.
  • Warranty: Unit has a one year warrenty agains defects in materials and workmanship.
  • Manufacture: NOVA TEC
  • Product Dimensions: 9 x 0.5 x 8 inches; 3.2 Pounds
  • Editor's Impressions Of The Nova
  • Heat Quality [star rating='4.6']
  • Quality [star rating='5']
  • Value For Money [star rating='3.9']
  • Affordability [star rating='4.1']

Nova Final Thoughts

"I would buy again."

Once I opened the box i noticed the quality of the construction. I hope these suction cups work very well. Takes a little while to drop the temps if it is hot in the garage. It would stick out of my 30 g wide tank if I were to put it vertical. I emailed the email it says to and told them. Takes a little while to drop the temps if it is hot in the garage. Ick for instance detaches from fish at 86 degrees and dies at 89.

Overall Score
4.0

[star rating="4"]
(166 Points)

8. Hygger Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Bet...

User Ratings: 70 6

hygger First Impressions

"Great heater."

Keeps the water consistent and it's easy to adjust! The controller is easy to use, very accurate and reliable. I like the fact that it comes with a digital thermometer. I use this little heater for my 10 gallon quarantine tank. And kids love pushing all sorts of buttons. So far I like it setup was super easy. I have a 10gallon tank that was at 72 degrees.

  • Hygger Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Betta Fish Tank Thermostat 50W/100W
  • 【For Fish Tank 5-15 gallon】50W aquarium heater, voltage AC110-120V 60HZ, power cord is 4.6ft. Heater rod length is 5 inch, mini compact heater for small fish tank use. Perfect for betta tank. A very compact heater, easy to hide in the tank
  • 【Automatic Stop & Restart】Effectively maintain the tank water in the constant temp you set, stop heating when water temp reaches to the set temp and restart heating when the water temp is 1-2℉ below the set temp.The indicator light on the controller will be on red when it's heating, will be off when it stop heating
  • 【With Built-in Thermometer】you can set the the temp from 68℉ to 90℉,temp exactness is within 2 degrees in fahrenheit. There is a built-in thermometer in the heater to detect the water temp, not need to buy seperate thermometer
  • 【Durable Quartz Glass】this aquarium heater tube is heat-resistant quartz glass made, excellent in explosion-proof, can be used in fresh water and salt water aquariums, white alundum sand as the heat-conducting media, service life can be 3 years or more
  • 【Fully Submersible】this fish tank heater is waterproof, must be fully submerged in water when working, place it horizontally or vertically near the water intake or where the way of water flow
  • Manufacture: hygger
  • Editor's Impressions Of The hygger
  • Heat Quality [star rating='5']
  • Quality [star rating='4.3']
  • Value For Money [star rating='4.3']
  • Affordability [star rating='5']

hygger Final Thoughts

"Buy with confidence!"

Those turned out to be a hit and miss. When i installed them, i let them sit in the tanks without power for 6-24 hours. --The heater itself is a bit shorter if your tank is a short one. I bought a similar one at the pet store and it barely worked. But my guys don't read them and don't listen! I am very happy with this purchase. So when I first received it it didn't work and I was very disappointed.

Overall Score
4.4

[star rating="4.4"]
(475 Points)

9. AquaTop Submersible Glass Heater (200 Watt (Up to 50 Gallons))

User Ratings: 80 10

AquaTop 10 First Impressions

"No copper lines!"

I used to try those other cheap heaters sold on amazon. No biggie, but annoying nonetheless. It is a bonus that the heater is titanium. My heater is fully submerged underwater and works perfectly fine. The heater is easy; turn the dial to set temp and plug in. --The heater itself is a bit shorter if your tank is a short one. There is no protection from it banging on the glass tank.

  • AquaTop Submersible Glass Heater (200 Watt (Up to 50 Gallons))
  • Manufacture: Aquatop
  • Product Dimensions: 10 x 0.01 x 10 inches; 0.16 Ounces
  • Editor's Impressions Of The AquaTop 10
  • Heat Quality [star rating='3.7']
  • Quality [star rating='3.9']
  • Value For Money [star rating='4.9']
  • Affordability [star rating='4.3']

AquaTop 10 Final Thoughts

"This is a quality heater."

Checked the accuracy of the heater with an infrared thermometer. Two inches above that is a waterline for maximum. I use this little heater for my 10 gallon quarantine tank. You program it for temperature you want your tank to be. This is a powerful heater that holds temperature very well. It just cycles through to 93f and starts over. I will definitely be buying another one for my other tanks at bigger one.

Overall Score
4.5

[star rating="4.5"]
(15 Points)

10. Eheim Thermocontrol e300 Heater

User Ratings: 89

Eheim AEH3639090 First Impressions

"Until the next time."

Once I opened the box i noticed the quality of the construction. I got this heater for my 55 gallon aquarium. Very easy to install and the adjustable temperature gauge is pretty accurate. You don't have to worry about wide temperature swings with this unit. Awesome chiller, perfect for Hydroponics. I emailed the email it says to and told them. This heater warmed it right up and now my Betta and guppies are more active.

  • Eheim Thermocontrol e300 Heater
  • Advantages of the EHEIM control heater thermocontrol-e Precise temperature adjustment from 68°F to 89°F (20 to 32°C) No readjustment necessary Control accuracy 0. 5 °C The heat is kept constant Control lamp indicates the heating function (red: heating up; green: temperature reached) Fully submersible (waterproof) With dry-running protection (Thermo Safety Control) Glass coating increases the heating surface and ensures optimum, even heat output Including double suction holder Many sizes for aquariums from 5 to 300 gallons Suitable for fresh and marine water Highest safety and reliability Made in Germany Specifications Wattage: 300W Temperature setting range: 68°F to 89°F (20 to 32°C) Aquarium Size (approx. ) 159-265 Gallons Height: 19. 5" Power Cord Length: 5. 5'
  • Item Package Height: 1.97
  • Item Package Length: 2.56
  • Item Package Width: 23.03
  • Manufacture: Eheim
  • Editor's Impressions Of The Eheim AEH3639090
  • Heat Quality [star rating='4.3']
  • Quality [star rating='4']
  • Value For Money [star rating='5']
  • Affordability [star rating='4.1']

Eheim AEH3639090 Final Thoughts

"5 gallon tank."

210 gallon ones and one 90 gallon bow front tank. Takes a little while to drop the temps if it is hot in the garage. It took me only two tries to get it to the correct temperature. If the water runs low or air gets in the heater shuts off. We would consider a replacement and then we would return the defective unit. I like to keep it at 72 and from my thermometer it is reading at exactly 72. It is a bonus that the heater is titanium.

Overall Score
4.8

[star rating="4.8"]
(11 Points)

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