Editor's Choice - Our Favorite AquaClear Aquarium Heaters

1. Marina Betta Fish Submersible Heater for Fish Tank Aquarium, 1.5 gallons, 11182

User Ratings: 64 10

AquaClear 11182 First Impressions

"So far it seems great!"

I went ahead and went with the the larger 300W for my 45 gallon. Keeps the water consistent and it's easy to adjust! There is no protection from it banging on the glass tank. I have a few of these and I use them in my 55 gallons tanks and a 29 gallon tank. I would definitely recommend this product. This is a powerful heater that holds temperature very well. So when I first received it it didn't work and I was very disappointed.

  • Marina Betta Fish Submersible Heater for Fish Tank Aquarium, 1.5 gallons, 11182
  • 8-watt submersible fish tank heater for aquariums up to 1.5 gallons (5 L)
  • Creates ideal conditions for bettas to live in
  • Made of durable polymer, which is tougher than glass
  • Easy to install in your betta fish tank; use the suction cups to place on the side of the betta tank
  • Automatically reaches set temperature; allowing you to easily maintain your fish aquarium
  • Use in combination with the Marina Standing Thermometer (sold separately) for accurate temperature readings
  • Manufacture: Marina
  • Product Dimensions: 1.7 x 5.3 x 7.1 inches; 6.3 Ounces
  • Editor's Impressions Of The AquaClear 11182
  • Heat Quality [star rating='5']
  • Quality [star rating='4.4']
  • Value For Money [star rating='5']
  • Affordability [star rating='4.6']

AquaClear 11182 Final Thoughts

"That wasn't a good sign."

Those turned out to be a hit and miss. The heater protector was very heavy plastic and slim lined which is great. The heater is super thin and the reflective surface is interesting. The temperature lights up so it's very easy to read. You don't have to worry about wide temperature swings with this unit. Temperature is slightly off by running a little warmer. I am very happy with this purchase.

Overall Score
4.2

[star rating="4.2"]
(2680 Points)

2. Aquatop Quartz Glass Submersible Heaters (50W-300W)

User Ratings: 67 6

AquaTop GH-50W First Impressions

"Works as intended."

My fish likes to get close to it and he has never been hurt by it. You don't have to worry about wide temperature swings with this unit. I like to keep it at 72 and from my thermometer it is reading at exactly 72. This product came in the nick of time! I recieved this product without the instructions or the added thermometer. It's pretty noticeable, but I don't really care. --The heater itself is a bit shorter if your tank is a short one.

  • Aquatop Quartz Glass Submersible Heaters (50W-300W)
  • Tank capacity: up to 13-gallon
  • Voltage/freq: 110-120volt/60hertz
  • Power: 50-watt
  • Easy to use temperature setting
  • Fully submersible
  • Manufacture: Aquatop, Inc.
  • Product Dimensions: 9 x 1.5 x 1.5 inches; 10.41 Ounces
  • Editor's Impressions Of The AquaTop GH-50W
  • Heat Quality [star rating='4.3']
  • Quality [star rating='4.7']
  • Value For Money [star rating='3.4']
  • Affordability [star rating='4']

AquaTop GH-50W Final Thoughts

"Works great."

I'm in the process of setting up for tanks. Also were nice along the whole process. The line is there due to regulations in certain countries. I went ahead and went with the the larger 300W for my 45 gallon. Ick for instance detaches from fish at 86 degrees and dies at 89. This is a great heater that is very easy to set up and program. We would consider a replacement and then we would return the defective unit.

Overall Score
4.4

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

3. BoTaiDaHong 35L Aquarium Fish Tank Shrimp Water Chiller 10-40℃ Temperature Heater Cooler Set LCD D...

BoTaiDaHong First Impressions

"No issues."

Would be great to be able to tune that to. Keeps the temperature within 1 degree of what you set it to at all times. I got this heater for my 55 gallon aquarium. You don't have to worry about wide temperature swings with this unit. I adjusted the set temperature a little lower to be more in the range I wanted. I wouldn't buy any other heater, unless one of these stops working. They promptly fixed the issue without any delays or drama.

  • BoTaiDaHong 35L Aquarium Fish Tank Shrimp Water Chiller 10-40℃ Temperature Heater Cooler Set LCD Display AC 110V Adjustable Temperature Aquarium Tool 100W Fish Tank Cooling
  • 【Specification】Circulating Water Pump Flow: 1-3L/Min Suitable Range: Max.pump lift <3M Voltage: 110V Power: 100W Cooling Water Capacity: ≤ 35L Inner Size of Hose: 8mm
  • 【Save energy】The fish tank water cooler adopts micro computer and semiconductor for cooling, high efficient and low power consumption.
  • 【Application】Used with water pump and hose. Suitable for all kinds of cold water tanks.
  • 【Package included】1 X Power Adapter 1 X Power Line 2 X Hose Buckles 1 X Aquarium Water Chiller 1 X 2M Length Hose 1 X Water Pump
  • 【Shipment】We ship directly from the US warehouse.about 5-7 business days to delivery. We have a Professional Customer Service Team to Reply You within 24 hours.If you have any questions or concerns, Feel free to contact us!We will always stand behind our products and will provide the best suitable solutions for you
  • Manufacture: BoTaiDaHong
  • Editor's Impressions Of The BoTaiDaHong
  • Heat Quality [star rating='5']
  • Quality [star rating='4.9']
  • Value For Money [star rating='5']
  • Affordability [star rating='4']

BoTaiDaHong Final Thoughts

"Amazing customer service."

The setting always stayed the same. Awesome chiller, perfect for Hydroponics. Takes a little while to drop the temps if it is hot in the garage. It just cycles through to 93f and starts over. I hope these suction cups work very well. This this is amazing and is worth the money. We received the chiller promptly and put it into use.

Overall Score
5.0

[star rating="5"]
(1 Points)

4. 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 [star rating='5']
  • Quality [star rating='5']
  • Value For Money [star rating='4.6']
  • Affordability [star rating='4.8']

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

[star rating="5"]
(1 Points)

5. YCTECH Submersible Aquarium Heater with LED Water Thermometers for 1-35 Gallon Tropical Fish Tank, S...

User Ratings: 62 5

YCTECH First Impressions

"Amazing customer service."

Once attached to the tank wall I've had no issues with it coming off. But I am single and don't have to worry about this. The cover over the heating tubes is great, the turtles claws can't damage the tube. And kids love pushing all sorts of buttons. The line is there due to regulations in certain countries. We wish the controls were available in Farenheit also to make things a little easier. Those turned out to be a hit and miss.

  • YCTECH Submersible Aquarium Heater with LED Water Thermometers for 1-35 Gallon Tropical Fish Tank, Safe Adjustable Temperature Control, Electronic Water Heater Thermostat (50W / 75W / 100W / 200W)
  • 【Temperature Range】 15°C~34°C (59°F~93°F),it is suitable for fresh water and sea water fish tanks of ★ 1-10 gallons ★, provide comfortable environment for your beloved tropical fish ★ Submersible Use ONLY ★
  • 【 Smart Temperature Control 】 the micro chip will automatically keep the water in the fish tank at the temperature you set and keep it stable
  • 【Easy To Use】press the button of the thermostat to set the temperature,the temperature will changer within the cyclic temperature range ,just stop when you set it right
  • 【Power-Off Memory Function】 the aquarium heater will automatically remember the temperature you set before power off,you don’t have to set the temperature every time
  • 【Excellent service】24 hours customer service online, any questions please contact us at any time.If you are not satisfy with this Aquarium Heater for any reason in 30 days, we will refund the cost. you can return the new one for free if there is problem within a year.
  • Manufacture: CHOSION
  • Product Dimensions: 2.5 x 1.6 x 3.7 inches; 8.78 Ounces
  • Editor's Impressions Of The YCTECH
  • Heat Quality [star rating='3.3']
  • Quality [star rating='3.4']
  • Value For Money [star rating='3.9']
  • Affordability [star rating='3.6']

YCTECH Final Thoughts

"I bought the 7."

I got the 200W variant for my 54 gallon corner tank that's housing goldfish. When i installed them, i let them sit in the tanks without power for 6-24 hours. This little heater is perfect; this is our third purchase of the same heater. So far I like it setup was super easy. They promptly fixed the issue without any delays or drama. I hope these suction cups work very well. The heater is easy; turn the dial to set temp and plug in.

Overall Score
4.2

[star rating="4.2"]
(79 Points)

6. Teco WiFi Capable TK-1000 Tank Chiller, 1/4 HP w/Built in Heater

Teco First Impressions

"Pricing was good."

The temperature gauge is fairly accurate in my 55 gallon tank. I bought a similar one at the pet store and it barely worked. I use this little heater for my 10 gallon quarantine tank. Easy to read the temp and know exactly how warm the water is. This is a great heater that is very easy to set up and program. Easy to read the temp and know exactly how warm the water is. They promptly fixed the issue without any delays or drama.

  • Teco WiFi Capable TK-1000 Tank Chiller, 1/4 HP w/Built in Heater
  • The Teco WiFi Capable TK-1000 Tank Chiller, 1/4 HP w/ Built in Heater, features an internationally-recognized high-end compressor and titanium coaxial heat exchanger for high performance, low energy consumption and low noise levels. A unique feature of this chiller is the integrated 400 watt heater.
  • This version is designed to work with the TECOnnect WiFi Controller (separate purchase) that works with your smart phone to set and monitor water temperatures. Most importantly, the Controller will sound an alarm when your set temperature is out of range.
  • 9 degree cooling up to 260 gallons. 39 degrees cooling for 55 gallon aquariums. Note: These temperature pull-down ratings are in ideal situations. We highly recommend purchasing a chiller one size larger than the specifications would lead you to believe is necessary.
  • Does not have a pump. The required flow through the chiller is between 132 gph and 211 gph. Includes integrated 400 watt heater. Dimensions: 12.2" x 12.2" x 18.03". 5/8" tube diameter In/Out Water Connection.
  • Works with the TECOnnect, a WiFi Controller (not included). The TECOnnect works with Android 4.1 or higher and iOS 8.2 and higher.
  • Manufacture: Teco
  • Editor's Impressions Of The Teco
  • Heat Quality [star rating='5']
  • Quality [star rating='4.6']
  • Value For Money [star rating='5']
  • Affordability [star rating='5']

Teco Final Thoughts

"I like this heater."

The heater is super thin and the reflective surface is interesting. Also were nice along the whole process. I used to try those other cheap heaters sold on amazon. The controller is easy to use, very accurate and reliable. The cover over the heating tubes is great, the turtles claws can't damage the tube. Product was received fast, works excellent! I adjusted the set temperature a little lower to be more in the range I wanted.

Overall Score
5.0

[star rating="5"]
(1 Points)

7. 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)

8. IOAOI Aquarium Heater for Fish Tank 50W for up to 20 Gallons Tanks Shatterproof for Both Marine and ...

User Ratings: 67 9

IOAOI First Impressions

"None so far."

This this is amazing and is worth the money. 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. And I get to keep the first one I bought! So if you set it to 78 degrees, the heater will not kick on until it reads 76. Awesome chiller, perfect for Hydroponics. Pressing and holding the button for 5 seconds changes it from F to C readouts.

  • IOAOI Aquarium Heater for Fish Tank 50W for up to 20 Gallons Tanks Shatterproof for Both Marine and Fresh Water Engineering Plastic Tube Outside and Stainless Steel Tube Inside Temperature Adjustable
  • This 50W aquarium heater is fitted with stainless steel tube inside and engineering plastic tube outside to protect against damage. No glass components. Equipped with dry-fire protection device.
  • Temperature range of this tank heater is from 68℉-88℉, adjustable via a simple knob on the top. +/- 1 ℉accuracy. The light will go on while it’s working and off while not.
  • Can be placed vertically or horizontally. BUT NOT TILTED. It will not operate if the bottom is higher than the top. Must be FULLY submerged.
  • Can be used both in freshwater and saltwater. Will not rust.
  • Dimensions of this fish tank heater: Height 8.6 in, Width 0.8 in of the tube and 1.2 in of the top. 6 ft cord.
  • Manufacture: IOAOI
  • Editor's Impressions Of The IOAOI
  • Heat Quality [star rating='3.6']
  • Quality [star rating='4.2']
  • Value For Money [star rating='4.5']
  • Affordability [star rating='4']

IOAOI Final Thoughts

"Will not switch!"

I have a 10gallon tank that was at 72 degrees. It took me a few days slowly turning the dial up to finally get it where I wanted. The suction cups are large, high quality and seem to stick great. The design is sleek and modern looking. I like to keep it at 72 and from my thermometer it is reading at exactly 72. After several weeks of running the heater. I used to try those other cheap heaters sold on amazon.

Overall Score
4.3

[star rating="4.3"]
(139 Points)

9. FREESEA Aquarium Heater Fish Tank Submersible Heater (50W/75W/100W) with LED Temperature Display

User Ratings: 68 7

FREESEA FS28-50W First Impressions

"Until the next time."

The controller is easy to use, very accurate and reliable. I have only had minor problems with the suction cups. Personally for me the housing doesn't bother me. The setting always stayed the same. My fish likes to get close to it and he has never been hurt by it. The line is there due to regulations in certain countries. Per my thermometers, they are all staying constant.

  • FREESEA Aquarium Heater Fish Tank Submersible Heater (50W/75W/100W) with LED Temperature Display
  • ★ Temperature range: 59°F~94°F, display Fahrenheit °F, this heater is designed for1~10 gallons tank.
  • ★ Automatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically stop heating, when water temperature is lower than the set temperature, heater will automatically start heating.
  • ★ Touch button, cyclic adjust temperature , easy to use and Safety.
  • ★【Note】:this heater is 100% submersible use only, during its heating time, heater must be 100% submerged into the water.
  • ★【SATISFACTION GUARANTEED】Gain the confidence to go hard with us! Our Aquarium Heater is built with durability in mind and safety for every design, In the remote possibility that you’re not satisfied with our product, just contact us, and we will gladly give you a new Aquarium Heater replacement. 12 Month Warranty and 24 Hour Professional After-sales Service.
  • Manufacture: Guang Zhou City Freesea Industrial Co.,Ltd
  • Product Dimensions: 2.5 x 1.5 x 3.5 inches; 8.15 Ounces
  • Editor's Impressions Of The FREESEA FS28-50W
  • Heat Quality [star rating='4.7']
  • Quality [star rating='3.7']
  • Value For Money [star rating='3.7']
  • Affordability [star rating='3.3']

FREESEA FS28-50W Final Thoughts

"So far so good."

My heater is fully submerged underwater and works perfectly fine. Maintains it well except when the weather is already warm then it over heats it. I use this little heater for my 10 gallon quarantine tank. Seems to keep the temp n the tank fairly regular. You program it for temperature you want your tank to be. The cover over the heating tubes is great, the turtles claws can't damage the tube. You program it for temperature you want your tank to be.

Overall Score
4.3

[star rating="4.3"]
(2933 Points)

10. 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 [star rating='4.9']
  • Quality [star rating='4.1']
  • Value For Money [star rating='3.7']
  • Affordability [star rating='4.5']

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

[star rating="4.2"]
(58 Points)

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