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
  • Quality
  • Value For Money
  • Affordability

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


(1173 Points)

2. MONIPA Aquarium Water Chiller w/Submersible Pump 120W 110V Fish Tank Chiller Water Cooler Cooling Ma...

User Ratings: 50 50

MONIPA First Impressions

"7L Imagitarium tank."

Am a totally sold customer and would recommend them to anybody! I wouldn't buy any other heater, unless one of these stops working. I went ahead and went with the the larger 300W for my 45 gallon. I have only had minor problems with the suction cups. They shipped us the upgraded version that also heats! Keeps the temperature within 1 degree of what you set it to at all times. I adjusted the set temperature a little lower to be more in the range I wanted.

  • MONIPA Aquarium Water Chiller w/Submersible Pump 120W 110V Fish Tank Chiller Water Cooler Cooling Machine Crystal Shrimp for Fresh Water Salt Water Plant Tank USA Stock
  • ★Suitable for fish tank size: power<180W & capacity ≤ 30L. Suitable for water flow: 1-3 L / min
  • ★The fish tank water cooler adopts micro computer and semiconductor for cooling, high efficient and low power consumption.
  • ★Aluminum-alloy evaporator, anti-corrosion and durable.
  • ★ Good heat dissipation design at rear. Used with water pump and hose. Suitable for all kinds of cold water tanks.
  • ★This item will ship from USA, delivery time need about 5-8 days. If there is any questions please feel free to contact with us, MONIPA will spare no effort to help you.
  • Manufacture: MONIPA
  • Editor's Impressions Of The MONIPA
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

MONIPA Final Thoughts

"I like it."

I love the heater otherwise, but I'm afraid some water has gotten inside the heater. I emailed the email it says to and told them. Would be great to be able to tune that to. I love the heater otherwise, but I'm afraid some water has gotten inside the heater. It does blend well in some setups and may look bulky in others. I confirm it with my cooking digital probe thermometer. The bonus digital thermometer it came with has been super helpful, and is accurate.

Overall Score
3.0


(2 Points)

3. 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
  • Quality
  • Value For Money
  • Affordability

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


(11 Points)

4. NICREW Submersible Mini Aquarium Heater, Aquatic Turtle Heater with Intelligent LED Temperature Disp...

User Ratings: 62 12

NICREW N12611 First Impressions

"They contacted me."

You program it for temperature you want your tank to be. We received the chiller promptly and put it into use. I hope these suction cups work very well. I used to try those other cheap heaters sold on amazon. Seems to keep the temp n the tank fairly regular. The red light means it's off, blue light means the temperature is constant. The cover over the heating tubes is great, the turtles claws can't damage the tube.

  • NICREW Submersible Mini Aquarium Heater, Aquatic Turtle Heater with Intelligent LED Temperature Display
  • Precise temperature adjustment from 68℉ to 94℉
  • Convenient and secure design will automatically shut off if heater is no longer properly submerged, preventing damage
  • LED temperature display allows easy visual confirmation of heater operation
  • External controller allows easy and safe temperature adjustment outside
  • Fully submersible heaters for aquariums up to 5G
  • Manufacture: NICREW
  • Editor's Impressions Of The NICREW N12611
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

NICREW N12611 Final Thoughts

"1 difference."

This product came in the nick of time! Those turned out to be a hit and miss. I have a 10gallon tank that was at 72 degrees. Come on Fluval, expect better from you. Well worth the money the first one I bought still works great. It is safe and dependable and comes with a one year warranty. For Discus you need warm and accurate heater and this seems to do the trick.

Overall Score
4.0


(404 Points)

5. Uniclife Aquarium Heater Submersible with Thermometer, 200 Watt for 50 Gallon Fish Tank

User Ratings: 55 8

Uniclife First Impressions

"Just bought a second one!"

The temperature gauge is fairly accurate in my 55 gallon tank. Beware, but we are hoping for a good outcome! At this time I highly recommend this product. When i installed them, i let them sit in the tanks without power for 6-24 hours. I have 3 of the Fluval heaters, in various sizes. I got a hold of Amazon, who put me in touch with the seller. It took me only two tries to get it to the correct temperature.

  • Uniclife Aquarium Heater Submersible with Thermometer, 200 Watt for 50 Gallon Fish Tank
  • Ideal for 25-50 gallons fish tanks, can be installed in both fresh and saltwater.
  • Red rotatable knob on top for adjusting the temperatures between ranges of 68°F-93°F. Visible temperature displayed allows accurate temperature maintain.
  • Water-tight with IP68 sealing workmanship. Fix the heater tightly to the tank in vertical or horizontal with 3 strong suction cups. Shatterproof 2 mm extra thick quartz glass prevents electricity leakage and scratching. Measures 11.2" x 1" (L x D).
  • Come with Uniclife aquarium heater x 1; Suction Cups x 3; stick-on thermometer x 1(The color of number will change to blue to indicate the temperature).
  • By rotating the Red knob at the top you can simply set the temperature from 68 - 93°F.
  • The red indicator light on while heating, automatic shut-off when reach the temp.
  • The aquarium glass submersible heater must be fully immersed.
  • Install it either vertically or horizontally by attaching the suction cups to the glass of the tank.
  • Manufacture: Uniclife
  • Editor's Impressions Of The Uniclife
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Uniclife Final Thoughts

"5 degrees."

I was worried about the quality but I am thoroughly impressed with this heater! The design is sleek and modern looking. They shipped us the upgraded version that also heats! The cover over the heating tubes is great, the turtles claws can't damage the tube. I would definitely recommend this product. My heater is fully submerged underwater and works perfectly fine. The heater is being used in a 40 gallon breeder.

Overall Score
4.2


(58 Points)

6. auomii Mini Submersible Aquarium Heater, 50W/100W Small Fish Tank Heater, Built-in Thermometer, 2 LE...

User Ratings: 65 13

auomii First Impressions

"Highly recommended."

Well I bought a second one took me only one trying to get the right temperature. I was worried about the quality but I am thoroughly impressed with this heater! Beware, but we are hoping for a good outcome! I think it works well to not stand out like other heaters. You don't have to worry about wide temperature swings with this unit. I got this heater for my 55 gallon aquarium. At this time I highly recommend this product.

  • auomii Mini Submersible Aquarium Heater, 50W/100W Small Fish Tank Heater, Built-in Thermometer, 2 LED Temperature Display, External Temperature Controller, Intelligent Frequency Conversion
  • 【Small Size Heater】 AUOMII 100W small size aquarium heater is suitable for 1~20 gallon mini fish tanks, and easy to hide in the tank. Temperature can be accurately adjusted from 64~93°F. This heater suitable for both saltwater and freshwater. The rated voltage is 100-130V. Easy to set temperature, Easy to read temperature, Easy to install
  • 【Accuracy is up to 1℉】Temperature accuracy is up to 1℉ as advanced Intelligent Frequency Conversion Technology. If the temperature is lower than the target value of 0.2°F, the heater works at a variable frequency to keep the temperature constant. The working frequency will be changed according to temperature variation. If the water temperature is lower than the target temperature of 1°F , the heater will work at full power. The temperature curve is almost a line
  • 【Safety and Reliable】3 pin plug with ground wire, connect the water to ground directly, no risk of electric shock. 4 protections: Leakage protection / Over heating protection / Dry running protection / Out of water protection. Sturdy engineering plastic shield, scalding resistant and explosion resistant. Using touch control button, easy to set and read the temperature. 3 Strong suction cups, easy to install
  • 【Built-in Thermometer】Water temperature will be displayed on both the heater and external temperature controller in real time. Dual built-in temperature sensor. Dual LED display. High accuracy temperature as the temperature sensor is contact with water directly and have excellent heat conduction
  • 【30days refund 12 months replacement】Your purchase today is completely RISK-FREE. If you are not completely satisfied for our device, let us know for a full refund. Why wait? Get it today
  • 100W aquarium heater X1
  • suction cups X3
  • instruction X1
  • Manufacture: auomii
  • Product Dimensions: 2.7 x 2.9 x 1.2 inches; 10.23 Ounces
  • Editor's Impressions Of The auomii
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

auomii Final Thoughts

"I got the 100 watt one."

Or better yet, conceal it to the back corner. I left seller feedback yesterday but have yet to hear from the seller. I will be ordering more of these in the future. Beware, but we are hoping for a good outcome! I will definitely be buying another one for my other tanks at bigger one. I like to keep it at 72 and from my thermometer it is reading at exactly 72. After several weeks of running the heater.

Overall Score
4.1


(19 Points)

7. hygger 500W 800W Titanium Steel Aquarium Heater for Marine and Fresh Water, Digital Submersible Heat...

User Ratings: 65 13

hygger First Impressions

"5 degrees."

Keeps the water consistent and it's easy to adjust! I hope these suction cups work very well. The temperature difference was very minor. Keeps the temperature within 1 degree of what you set it to at all times. We received the chiller promptly and put it into use. Keeps the temperature within 1 degree of what you set it to at all times. Sometimes it gets outside of it's ability to cool but only within a few degrees.

  • hygger 500W 800W Titanium Steel Aquarium Heater for Marine and Fresh Water, Digital Submersible Heater with Built-in Thermometer, External LCD Display Thermostat Controller
  • 【Energy Saving Heater for Aquarium Over 60 Gal】voltage 110-120V/60HZ, power 800W, US three-pin plug, heater length 9.6 inch. The heater power cord and the controller cord are both 5ft. 800W aquarium heater for fish tank 120-180 gallon. Fast heating up aquarium heater, it takes about 2 minutes to heat 3.5 gallon water up 3℉. With 2 heating modes: MAX heating, ECO heating, more energy saving than general high power heater
  • 【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 0.8 inch, the controller will auto shut off and stop heating and will automatically restart heating after you place the heater fully under water
  • 【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. When you want to check the water temp, you can see that on the heater or the controller display, the digits are synchronized updated
  • 【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. 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
  • 【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. Can be used for fresh-water and salt-water fish tanks. The aquarium heater comes with a sturdy clip, there are 2 strong suction cups on the clip, 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 under water
  • Please install the heater fully under water, but don't bury it in sands.
  • Please unplug the heater and wait it to cool down for about 5-10 mins before you doing water change or moving the heater.
  • To well install the fish tank heater on to the tank wall, we suggest to slip the suction cup clip to the top 1/3 of the heater tube.
  • Manufacture: hygger
  • Editor's Impressions Of The hygger
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

hygger Final Thoughts

"Great product!"

I noticed my old hygger heater beginning to fail and my wife ordered this one. It comes with a hanging kit and can be secured on the edge of the tank. And kids love pushing all sorts of buttons. It took me a few days slowly turning the dial up to finally get it where I wanted. It comes with a hanging kit and can be secured on the edge of the tank. And I get to keep the first one I bought! I have 3 of the Fluval heaters, in various sizes.

Overall Score
4.1


(67 Points)

8. Aqua Euro USA Apex 1/2 HP Aquarium Chiller, 1030 GAL

Aqua Euro USA First Impressions

"Heats the water quickly."

There is no protection from it banging on the glass tank. Ick for instance detaches from fish at 86 degrees and dies at 89. My heater is fully submerged underwater and works perfectly fine. I have a 10gallon tank that was at 72 degrees. It is safe and dependable and comes with a one year warranty. Personally for me the housing doesn't bother me. I use a 50 for a 5 gal and a 10 gal tank.

  • Aqua Euro USA Apex 1/2 HP Aquarium Chiller, 1030 GAL
  • Designed with quiet operation-rubber mounts to reduce vibration
  • Powerful compressor uses Freon-free and ozone-friendly R134a refrigerant
  • 1/2 Horsepower Rating
  • Manufacture: Aqua Euro USA
  • Item Weight: 50 pounds
  • Product Dimensions: 18 x 12.6 x 22 inches
  • Editor's Impressions Of The Aqua Euro USA
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Aqua Euro USA Final Thoughts

"Long heater."

I got the 200W variant for my 54 gallon corner tank that's housing goldfish. It took me only two tries to get it to the correct temperature. I use this little heater for my 10 gallon quarantine tank. It took about an hour to reach 80f, which is fairly quick. Takes a little while to drop the temps if it is hot in the garage. If the water runs low or air gets in the heater shuts off. The setting always stayed the same.

Overall Score
5.0


(1 Points)

9. Aqueon 100101230 Flat Submersible Heater, Black,7.5W, up to 3 gallon

User Ratings: 58 11

Aqueon 100101230 First Impressions

"FIVE STARS!"

You don't have to worry about wide temperature swings with this unit. I have a 10gallon tank that was at 72 degrees. It took about an hour to reach 80f, which is fairly quick. Awesome chiller, perfect for Hydroponics. All seem to vary between 1-2 degrees of each other which doesn't concern me much. The setting always stayed the same. When i installed them, i let them sit in the tanks without power for 6-24 hours.

  • Aqueon 100101230 Flat Submersible Heater, Black,7.5W, up to 3 gallon
  • Fully submersible
  • Vertical or horizontal placement using suction cups that mount to the bottom or side wall of tank
  • Quick and easy installation
  • Shatterproof construction
  • Can be used with glass or acrylic enclosures
  • Note: Do NOT operate or leave product plugged in when it is outside of water
  • Warms aquarium water up to 6°F above ambient room temperature
  • 7.5 Watt works best for 1 to 3 gallon fish tanks
  • Manufacture: Central Garden & Pet
  • Item Weight: 6.4 ounces
  • Product Dimensions: 0.5 x 2 x 5.63 inches
  • Editor's Impressions Of The Aqueon 100101230
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Aqueon 100101230 Final Thoughts

"5 degrees."

The temperature difference was very minor. I hope these suction cups work very well. I am very happy with this purchase. --The heater itself is a bit shorter if your tank is a short one. Seems to keep the temp n the tank fairly regular. It took me a few days slowly turning the dial up to finally get it where I wanted. We received the chiller promptly and put it into use.

Overall Score
4.1


(819 Points)

10. 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
  • Quality
  • Value For Money
  • Affordability

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


(1 Points)

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