Editor's Choice - Our Favorite Aqueon Aquarium Heaters

1. Aqueon Submersible Heater

User Ratings: 67 11

Aqueon 100106102 First Impressions

"What a long."

Easy enough to let it run all the time. Also I like how it shows both the current temperature and the set temperature. Once I opened the box i noticed the quality of the construction. The controller is easy to use, very accurate and reliable. They promptly fixed the issue without any delays or drama. I will definitely be buying another one for my other tanks at bigger one. Those turned out to be a hit and miss.

  • Aqueon Submersible Heater
  • Precise temperature setting to 1-degree F (68-88 degrees F)
  • Recommended for aquariums up to 100-Gallons
  • Shatter-resistant construction, fully submersible
  • LED light turns on when aquarium water is being heated; Automatic safety shut off and overheat protection
  • Lifetime Limited Warranty
  • Manufacture: Central Garden & Pet
  • Product Dimensions: 3.7 x 15 x 1.5 inches; 8.96 Ounces
  • Editor's Impressions Of The Aqueon 100106102
  • Heat Quality [star rating='3.6']
  • Quality [star rating='4.9']
  • Value For Money [star rating='3.3']
  • Affordability [star rating='4']

Aqueon 100106102 Final Thoughts

"Will update in a month."

So if you set it to 78 degrees, the heater will not kick on until it reads 76. It would stick out of my 30 g wide tank if I were to put it vertical. This is a great heater that is very easy to set up and program. I am very happy with this purchase. This is only day one though, so I shall keep an eye one it. Easy to read the temp and know exactly how warm the water is. I like to keep it at 72 and from my thermometer it is reading at exactly 72.

Overall Score
4.2

[star rating="4.2"]
(1157 Points)

Peoples Choice - Other Highly Rated Aqueon Aquarium Heaters

2. 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 [star rating='5']
  • Quality [star rating='3.8']
  • Value For Money [star rating='4.9']
  • Affordability [star rating='3.5']

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

[star rating="4.1"]
(819 Points)

3. Aqueon Pro Adjustable Heater, 100W

User Ratings: 69 11

Aqueon 100106106 First Impressions

"I have a 5."

You don't have to worry about wide temperature swings with this unit. I have it set to 81F to get a 77F water temp. The heater protector was very heavy plastic and slim lined which is great. Also were nice along the whole process. The temperature has been holding all day, even in a colder room. Well I bought a second one took me only one trying to get the right temperature. I contacted the manufacturer and they sent me a new unit in less than a week!

  • Aqueon Pro Adjustable Heater, 100W
  • Adjustable heat setting 68 to 88°F, Electronic Thermostat accurate to +/- 1°
  • Shatterproof and nearly indestructible
  • Fully submersible; Auto Shut-Off when over-heats, resets when it cools down
  • LED light is always on: red when heating, green when not heating
  • Limited Lifetime warranty
  • Manufacture: Aqueon
  • Item Weight: 9.6 ounces
  • Product Dimensions: 4 x 14 x 2 inches
  • Editor's Impressions Of The Aqueon 100106106
  • Heat Quality [star rating='4.2']
  • Quality [star rating='5']
  • Value For Money [star rating='3.4']
  • Affordability [star rating='4.5']

Aqueon 100106106 Final Thoughts

"Well written but vague."

We would consider a replacement and then we would return the defective unit. Once attached to the tank wall I've had no issues with it coming off. This this is amazing and is worth the money. Also were nice along the whole process. I have a few of these and I use them in my 55 gallons tanks and a 29 gallon tank. The heater is super thin and the reflective surface is interesting. So if you set it to 78 degrees, the heater will not kick on until it reads 76.

Overall Score
4.2

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

4. Aqueon Preset Heater

User Ratings: 71 7

Aqueon 100106252 First Impressions

"They contacted me."

All seem to vary between 1-2 degrees of each other which doesn't concern me much. I use this little heater for my 10 gallon quarantine tank. This heater warmed it right up and now my Betta and guppies are more active. This product came in the nick of time! You program it for temperature you want your tank to be. After several weeks of running the heater. Beware, but we are hoping for a good outcome!

  • Aqueon Preset Heater
  • Preset to 78 degrees, appropriate for most tropical fish.
  • Fully submersible, shatter-resistant construction
  • Automatic safety shut-off avoids overheating and damage
  • LED indicator light displays when actively heating
  • 1 year warranty
  • 100 watt is recommended for 20 and 30 gallon aquariums
  • Manufacture: Central Garden & Pet
  • Product Dimensions: 3.5 x 1.5 x 7.75 inches; 7.52 Ounces
  • Editor's Impressions Of The Aqueon 100106252
  • Heat Quality [star rating='3.8']
  • Quality [star rating='5']
  • Value For Money [star rating='4.1']
  • Affordability [star rating='3.9']

Aqueon 100106252 Final Thoughts

"Amazing customer service."

The setting always stayed the same. After several weeks of running the heater. Am a totally sold customer and would recommend them to anybody! I hope these suction cups work very well. You don't have to worry about wide temperature swings with this unit. It's pretty noticeable, but I don't really care. It took me only two tries to get it to the correct temperature.

Overall Score
4.4

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

Honorable Mentions - More Top Selling Aqueon Aquarium Heaters

5. Aqueon Adjustable PRO Aquarium Heater 100 Watts

User Ratings: 70 9

Aqueon 100532084 First Impressions

"Thank you for reading."

I got this heater for my 55 gallon aquarium. Checked the accuracy of the heater with an infrared thermometer. There is a misconception on the internet that the heater isn't fully submersible. What more could you ask for great job Hygger Duncan. The temperatures are pretty accurate. I was worried about the quality but I am thoroughly impressed with this heater! When i installed them, i let them sit in the tanks without power for 6-24 hours.

  • Aqueon Adjustable PRO Aquarium Heater 100 Watts
  • Adjustable heat setting 68 to 88°F, Electronic Thermostat accurate to +/- 1°
  • Shatterproof and nearly indestructible
  • Fully submersible; Auto Shut-Off when over-heats, resets when it cools down
  • LED light is always on: red when heating, green when not heating
  • Limited Lifetime warranty
  • Manufacture: Central Garden & Pet
  • Product Dimensions: 1.5 x 1.75 x 10.38 inches; 10.4 Ounces
  • Editor's Impressions Of The Aqueon 100532084
  • Heat Quality [star rating='3.5']
  • Quality [star rating='4.3']
  • Value For Money [star rating='4.8']
  • Affordability [star rating='4.9']

Aqueon 100532084 Final Thoughts

"Works great."

We would consider a replacement and then we would return the defective unit. I tested it by unplugging and replugging it. I'm not a big fan of the big glass tubes. I emailed the email it says to and told them. They promptly fixed the issue without any delays or drama. Per my thermometers, they are all staying constant. This product came in the nick of time!

Overall Score
4.3

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

6. 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)

7. Orangelight Aquarium Thermostat Heater Submersible Fish Tahk Heater with Adjust Knob Thermostat 2 Su...

User Ratings: 76 3

Orangelight First Impressions

"Long heater."

It comes with a hanging kit and can be secured on the edge of the tank. There is no protection from it banging on the glass tank. This heater works, but the dial it isn't very accurate. This is a powerful heater that holds temperature very well. Bought it as a chiller for the k40 CO2 laser. I'm not a big fan of the big glass tubes. There is a misconception on the internet that the heater isn't fully submersible.

  • Orangelight Aquarium Thermostat Heater Submersible Fish Tahk Heater with Adjust Knob Thermostat 2 Suction Cups
  • 【100 Watt Heater】This Aquarium heater is suitable for 15 to 25 gallons aquariums, Length - 10.5”, voltage 110-120V, power cord is 4.0 ft, please choose the right wattage aquarium heater according to your Aquarium.
  • 【Premium Shatterproof Glass】Made of shatterproof glass and BPA-free plastic. Orangelight aquarium heaters are fully submersible and safe for fish without any toxic substance producing.
  • 【Automatic Constant Temperature Function】This fish heater, adjustable temperature 68 ~ 93 °F, will shut off automatically when the temperature is reached, no extra adjustment is required.
  • 【Fresh and Saltwater】Both suiting for fresh or saltwater aquariums, provide a constant warm environment for your tropical fish to stay healthy.
  • 【Wide Compatibility】Applicable for freshwater and marine aquariums, aquaculture, glass containers, and hydroponic systems
  • Made of shock resistant and shatter proof glass. Made of PTC element, an oxide ceramic, won't get fired, or broken like glass aquarium heaters, has longer service life and much safer than normal aquarium heaters.
  • 2mm thickened quartz glass, 33% thicker than 1.5mm normal aquarium heaters, much safer for human and your lovely fishes, your pets will no longer fear the winter.
  • Manufacture: Orangelight
  • Product Dimensions: 8.2 x 1.15 x 1.15 inches; 4.16 Ounces
  • Editor's Impressions Of The Orangelight
  • Heat Quality [star rating='5']
  • Quality [star rating='5']
  • Value For Money [star rating='5']
  • Affordability [star rating='5']

Orangelight Final Thoughts

"Love this heater!"

This is only day one though, so I shall keep an eye one it. Seems to keep the temp n the tank fairly regular. 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. The heater is easy; turn the dial to set temp and plug in. It does blend well in some setups and may look bulky in others. It is a bonus that the heater is titanium.

Overall Score
4.6

[star rating="4.6"]
(84 Points)

8. Hydor Slim Heater for Bettas, Bowls and Aquariums

User Ratings: 52 13

Hydor T20201 First Impressions

"And I am glad I did."

I think it works well to not stand out like other heaters. Now, both points are clear on the package instructions. Temperature is slightly off by running a little warmer. My heater is fully submerged underwater and works perfectly fine. It's pretty noticeable, but I don't really care. If the blue light is flashing it means the heater is not fully submersible. I contacted the manufacturer and they sent me a new unit in less than a week!

  • Hydor Slim Heater for Bettas, Bowls and Aquariums
  • Helps guarantee your fish a healthy life by promoting the ideal water temperature.
  • Plug and Play, No temperature to set
  • Can be positioned under gravel
  • No glass components
  • Heater is UL listed
  • Manufacture: Hydor USA, Inc.
  • Product Dimensions: 6.5 x 0.25 x 3.25 inches; 4 Ounces
  • Editor's Impressions Of The Hydor T20201
  • Heat Quality [star rating='3.9']
  • Quality [star rating='4.4']
  • Value For Money [star rating='3.8']
  • Affordability [star rating='3']

Hydor T20201 Final Thoughts

"Overall happy."

The temperatures are pretty accurate. The temperature gauge is fairly accurate in my 55 gallon tank. It took me a few days slowly turning the dial up to finally get it where I wanted. The heater protector was very heavy plastic and slim lined which is great. They promptly fixed the issue without any delays or drama. I adjusted the set temperature a little lower to be more in the range I wanted. Sometimes you may have to tinker around with the dial.

Overall Score
3.9

[star rating="3.9"]
(1510 Points)

9. ZEETOON 25W Aquarium Heater, Automatic Thermostat Betta Fish Tank Heaters, Tortoise Small Water Warm...

User Ratings: 69 12

ZEETOON First Impressions

"Very quick shipping."

--The heater itself is a bit shorter if your tank is a short one. I have a few of these and I use them in my 55 gallons tanks and a 29 gallon tank. If the water runs low or air gets in the heater shuts off. But my guys don't read them and don't listen! I like the fact that it comes with a digital thermometer. Would be great to be able to tune that to. The red light means it's off, blue light means the temperature is constant.

  • ZEETOON 25W Aquarium Heater, Automatic Thermostat Betta Fish Tank Heaters, Tortoise Small Water Warmer for 2-5 Gallon Container with 1 Stick-on Thermometer Strip
  • 73ºF-82ºF Auto Thermostatic: ZEETOON Fish Tank Heater Betta Fish's Favorite Gifts, Suitable for all kinds of aquarium pets, Betta, tropical fish, goldfish, ornamental fish and turtles, can work in both brine and fresh water. Maintaining pleasant water temperatures in all seasons for your little fishes and turtles and will be no longer fear the winter! 1 Stick-on Thermometer Strip, Eliminate your worry of not confirming the heating temperature
  • Mini Sized More Fit: Specific perfect for mini aquarium under 5 gal/20L. Fully submersible compact betta fish heater for all shapes and materials fish tanks 1-2-3-4-5 gallon, whether it is glass or plastic, all can be used. ZEETOON Mini Heater provide a constant warm for your pet fish to stay healthy, suitable both for fresh and salt water. intelligent temperature regulate, very easy to use.
  • Automatic For Energy-saving: Adopted intelligent circuit board, with a precise sensing probe and thermostat heating system. Unlike other conventional heaters, need you to manually adjust the temperature. Our Smart Aquarium Heater just plug the power cable then it will work. It works will automatically turn on/off to achieve the setting temperature constantly and stably 73ºF-82ºF(25℃-28℃), Energy-saving life, you will be at your fingertips!
  • Smart For Your Safety : ZEETOON Mini Heater different from a manually adjusted heater. Our heater automatic temperature regulate on 73ºF-82ºF(25℃-28℃) , no need to set. Prevent electric shock and burns. Keep you and your family safe. Position it near a strong water flow for whole aquarium are in the same temperature. The outlet of filter is ideal. When there is a heater in the fish thak, do not put your hand in to the water
  • High Quality: Made by heat resistant ABS housing, sandy quartz filler and MCH Alumina ceramic heating system, anti explosion & cracking, it is scald-preventing for your pets and safe operation for you, safer and more stable to use. We provide 1 year quality assurance for this product, we will provide replacement items for any product problems within 1 year after your purchase it.
  • Manufacture: ZEETOON
  • Editor's Impressions Of The ZEETOON
  • Heat Quality [star rating='3.4']
  • Quality [star rating='4']
  • Value For Money [star rating='3.7']
  • Affordability [star rating='3.3']

ZEETOON Final Thoughts

"5 gallon tank."

The suction cups are large, high quality and seem to stick great. My fish likes to get close to it and he has never been hurt by it. I noticed my old hygger heater beginning to fail and my wife ordered this one. I have only had minor problems with the suction cups. Keeps the water consistent and it's easy to adjust! I love the heater otherwise, but I'm afraid some water has gotten inside the heater. Two inches above that is a waterline for maximum.

Overall Score
4.2

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

10. Inkbird Temperature Controller ITC308 Reptile Freezer Thermostat Aquarium Heater Cooler 110V 1100W P...

User Ratings: 71 9

Inkbird 8541956716 First Impressions

"16-26 gallons 75 watt 10."

Keeps the temperature within 1 degree of what you set it to at all times. It's pretty noticeable, but I don't really care. I bought a similar one at the pet store and it barely worked. This is a great heater that is very easy to set up and program. And kids love pushing all sorts of buttons. 210 gallon ones and one 90 gallon bow front tank. Checked the accuracy of the heater with an infrared thermometer.

  • Inkbird Temperature Controller ITC308 Reptile Freezer Thermostat Aquarium Heater Cooler 110V 1100W Pre Wired Dual Stage Digital Outlet Probe Heating Cooling Plug Homebrewing Refrigerator Greenhouse
  • Pre-wired controller ITC-308 is served as the successor to the STC-1000. If you don't want to build your own STC-1000, the Inkbird ITC-308 is the solution!
  • Setup is easy, straightforward and quick.
  • The cord on the remote temperature sensor is a bit over 6 feet long.
  • Accurate displays, thermostatic function and temperature calibration.
  • It's an all in one, simple solution providing control of cooling and heating.
  • Item Weight: 14.4 ounces
  • Editor's Impressions Of The Inkbird 8541956716
  • Heat Quality [star rating='3.5']
  • Quality [star rating='5']
  • Value For Money [star rating='4.3']
  • Affordability [star rating='4.6']

Inkbird 8541956716 Final Thoughts

"Pricing was good."

This has the best controller that I have found on the market. The temperature lights up so it's very easy to read. I have a 10gallon tank that was at 72 degrees. I have a few of these and I use them in my 55 gallons tanks and a 29 gallon tank. Checked the accuracy of the heater with an infrared thermometer. Now, both points are clear on the package instructions. This little heater is perfect; this is our third purchase of the same heater.

Overall Score
4.3

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

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