Editor's Choice - Our Favorite boxtech Aquarium Heaters

1. boxtech Aquarium Heater, 50W/100W/300W Explosion Proof Submersible Thermostat with Adjust Knob and 2...

User Ratings: 69 8

boxtech First Impressions

"Best addition to my tank."

There is no protection from it banging on the glass tank. Sometimes you may have to tinker around with the dial. I got this heater for my 55 gallon aquarium. Awesome chiller, perfect for Hydroponics. The heater is easy; turn the dial to set temp and plug in. 210 gallon ones and one 90 gallon bow front tank. I got the 200W variant for my 54 gallon corner tank that's housing goldfish.

  • boxtech Aquarium Heater, 50W/100W/300W Explosion Proof Submersible Thermostat with Adjust Knob and 2 Suction Cups Suit Marine Saltwater and Freshwater
  • Fish Tank Heater: 300W aquarium heaters suit for 30 - 80 Gallon fish tank. Voltage:110V, power cord is 5.57ft, Max deep water immersion 20 inch/1.7 FT
  • Correct installation: Stick the heater vertical onto the tank side near the water intake or on the way of water flow.(This way the heater can quickly sense the water temperature and make adjustments automatically), Keep the aquarium heater fully submerged in water
  • Fully Automatic Control: Design with External Temperature Controller, Temperature Range is 68 ºF-90 ºF, when water temperature achieve the setting temperature, heater will automatically stop heating, when water temperature is lower than the setting temperature, heater will automatically start heating
  • Quartz Tube Safety Protection: Made of heat-resistant milky quartz Glass and UL-Approved Power Cord, Controller IPX4, Heater IPX8 that make it pretty shatter-proof and Explosion-proof and prevents electricity leakage, service life can be 3 years or more
  • Notice Please: Before you clean the aquarium or change water, pls must cut off the heater power, after 10 minute cooling then take out the heater and regularly clean the scale on the heater
  • Temperature Control: Design with External Temperature Controller, Temperature Range is 68ºF-90ºF, when water temperature achieve the setting temperature, heater will automatically stop heating, when water temperature is lower than the setting temperature, heater will automatically start heating.
  • Voltage:110 V Frequency: 50HZ
  • Led Indicator Light:When it working, the indicator light is red.
  • Manufacture: BOXTECH
  • Product Dimensions: 13.39 x 1.97 x 3.54 inches; 11.99 Ounces
  • Editor's Impressions Of The boxtech
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

boxtech Final Thoughts

"There was only~0."

You don't have to worry about wide temperature swings with this unit. I was amazed how quickly I got to my temperature I need it 78 degrees. This has been in my fish tank for a few months now and it's been absolutely perfect! You don't have to worry about wide temperature swings with this unit. It is a bonus that the heater is titanium. I have it set to 81F to get a 77F water temp. My fish likes to get close to it and he has never been hurt by it.

Overall Score
4.3


(523 Points)

2. Aquarium Heater, 100W 300W 500w Submersible Fish Tank Heater with Titanium Tube Thermostat System LE...

User Ratings: 73 8

SeaELF First Impressions

"Temperature!"

My fish likes to get close to it and he has never been hurt by it. I like the fact that it comes with a digital thermometer. I will definitely be buying another one for my other tanks at bigger one. So when I first received it it didn't work and I was very disappointed. I will be ordering more of these in the future. I was worried about the quality but I am thoroughly impressed with this heater! Bought it as a chiller for the k40 CO2 laser.

  • Aquarium Heater, 100W 300W 500w Submersible Fish Tank Heater with Titanium Tube Thermostat System LED Digital Play and Remote Controller for 50-80 Gallon Tank
  • Premium Titanium Alloy Material & pinpoint probe : The seaELF aquarium heater made by premium titanium alloy, shatterproof, anti explosion, anti cracking and anti-corrosion than quartz glass aquarium heater and stainless steel tank heater, good for fresh water and sea water. The precise sensing probe on the top of heater for pinpoint temperature and double seal design to ensure safe operation. The heating tube with CE, RoHS, FC approved and the plug with UL approved.
  • Remote Controller & LCD Display : Update design with remote controller and LCD display , easy to setting and adjusting the aquarium heater’s temperature by remote controller and easy know the tank’s temperature by the LCD display, no need to buy extra temperature and wet your hands to setting the temperature again. (the remote is non waterproof, please keep it away from water).
  • Intelligent Overheating Protection & Lack-of Water Protection : With double sensing probe on the top, it will accurate detect the temperature and water, once overheating or the water cant cover the top of this aquarium heater, it will automatic power-off, prevent electric shock & burns and keep you and your fish safe. (E2,E8 display are mean overheating, please increase the water circulation when it happens)
  • Intelligent Thermostat Heating System :This aquarium heater made with intelligent thermostat heating system, it will heating automatically once the water temperature is less than the setting temperature and stop heating once it reached the setting temperature. Keep the aquarium water in a same temperature environment to protect fishes, amphibians, turtles and so on.(Please install it near a strong water flow).
  • 100% satisfaction : Just to show you how confident we are that your fish will enjoy the aquarium water heater, we are giving you a 6 month money-back guarantee, if there any problem when you install the heater or any un-satisfied with this product, please feel free to contact us for resend or refund, we will dealing with it within 48 hrs.
  • Manufacture: SeaELF
  • Editor's Impressions Of The SeaELF
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

SeaELF Final Thoughts

"Seems very well built."

This heater is NOT fully submersible. It took me a few days slowly turning the dial up to finally get it where I wanted. Keeps the water consistent and it's easy to adjust! And kids love pushing all sorts of buttons. Will update my review if any changes occur. No biggie, but annoying nonetheless. It's only been set up for a month we'll see how well it does in a few months.

Overall Score
4.4


(348 Points)

3. AquaTop Titanium Heater w/Controller

User Ratings: 70 7

AquaTop TH-C500 First Impressions

"Just bought a second one!"

It does blend well in some setups and may look bulky in others. I have only had minor problems with the suction cups. I hope these suction cups work very well. The setting always stayed the same. So when I first received it it didn't work and I was very disappointed. The temperature gauge is fairly accurate in my 55 gallon tank. This heater is NOT fully submersible.

  • AquaTop Titanium Heater w/Controller
  • Age Range Description: All Life Stages
  • Manufacture: Aquatop
  • Product Dimensions: 12 x 3 x 4 inches; 13.6 Ounces
  • Editor's Impressions Of The AquaTop TH-C500
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

AquaTop TH-C500 Final Thoughts

"Same suckers for years!"

For Discus you need warm and accurate heater and this seems to do the trick. Now, both points are clear on the package instructions. I love the heater otherwise, but I'm afraid some water has gotten inside the heater. So far I like it setup was super easy. Come on Fluval, expect better from you. We would consider a replacement and then we would return the defective unit. I left seller feedback yesterday but have yet to hear from the seller.

Overall Score
4.4


(119 Points)

4. 300 Watt Aquarium Heater Fast Heating Titanium Tube Saltwater Fully Submersible Fish Tank Heaters wi...

Periha HF-300W First Impressions

"Highly recommended."

Per my thermometers, they are all staying constant. It's pretty noticeable, but I don't really care. Just be careful and keep an eye on your temp settings when you have kids over! This product came in the nick of time! They shipped us the upgraded version that also heats! Was very impressed with the quality of this heater. There is no protection from it banging on the glass tank.

  • 300 Watt Aquarium Heater Fast Heating Titanium Tube Saltwater Fully Submersible Fish Tank Heaters with LED Digital Temperature External Controller Freshwater Safety Pinpoint Thermostat 53-80 Gallon
  • ✅ STRONG ANTI-CORROSION: The tank heater is made of high-quality, durable titanium alloy, no glass, do not worry, it will be shattered. And its strong anti-corrosion features make it perfect for freshwater, saltwater aquariums, and reef tanks.
  • ✅ SAFE EXTERNAL CONTROL: With external thermostat, no need to take out the heater from the aquarium or tank, easily adjust the temperature you want without getting your hands wet, prevent electric shock & burns, keep you and your family safe.
  • ✅ ACCURATE TEMP CONTROL: LCD display can clearly show the temperature setting in either Celsius or Fahrenheit, just press and hold the “SET” button for 3-4s. Heating temperature ranges from 68 to 93°F(14-34℃). Control accuracy is +/- 0.5° C, providing a constant warm aquarium for your pet fish to stay healthy.
  • ✅ EASY TO SETUP & USE: This heater is fully submersible in water HORIZONTALLY with 2 strong suction cups, not easy to move and drop off, preventing your pets from harm and burning. Place it near a strong water flow to keep the whole tank at the same temperature.
  • ✅ AQUARIUM CAPACITY: 300W stable output power, the heater fits for aquariums with 53-80gallons(300 Liters) of water capacity. We offer a 1-year limited warranty, if you have any questions, pls contact us first, we will respond within 24 hours to solve the problem.
  • Manufacture: Periha
  • Product Dimensions: 11.23 x 0.75 x 0.2 inches; 1.15 Pounds
  • Editor's Impressions Of The Periha HF-300W
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Periha HF-300W Final Thoughts

"Love these slim heaters!"

This is only day one though, so I shall keep an eye one it. I waited a little bit to write the review so it could be accurate. I got a hold of Amazon, who put me in touch with the seller. The temperatures are pretty accurate. I am very happy with this purchase. My marina heater takes a few hours. --Temperature adjustment labeling is on top rather than on the rod.

Overall Score
5.0


(9 Points)

5. Aqua Euro USA Apex Chiller Horsepower: 1/10 HP

Aqua Euro USA AC10A First Impressions

"I do recommend."

And kids love pushing all sorts of buttons. If the blue light is flashing it means the heater is not fully submersible. Come on Fluval, expect better from you. It is safe and dependable and comes with a one year warranty. Also I like how it shows both the current temperature and the set temperature. I will definitely be buying another one for my other tanks at bigger one. This this is amazing and is worth the money.

  • Aqua Euro USA Apex Chiller Horsepower: 1/10 HP
  • Titanium heat exchanger features a high BTU rating for superior heat removal
  • Aquarium water chiller designed with quiet operation-rubber mounts to reduce vibration
  • Powerful compressor uses Freon-free and ozone-friendly R134a refrigerant
  • 1/10th Horsepower Rating
  • Manufacture: Aqua Euro USA
  • Item Weight: 29 pounds
  • Product Dimensions: 15.7 x 8.6 x 16.4 inches
  • Editor's Impressions Of The Aqua Euro USA AC10A
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Aqua Euro USA AC10A Final Thoughts

"Not very reasonable."

I like the fact that it comes with a digital thermometer. 210 gallon ones and one 90 gallon bow front tank. What more could you ask for great job Hygger Duncan. This heater warmed it right up and now my Betta and guppies are more active. The temperature lights up so it's very easy to read. Maintains it well except when the weather is already warm then it over heats it. The bonus digital thermometer it came with has been super helpful, and is accurate.

Overall Score
3.7


(2 Points)

6. Uniclife Preset Aquarium Heater Submersible 50W/250 W with Electronic Thermostat Fish Tank Heater fo...

User Ratings: 66 12

Uniclife First Impressions

"I do recommend."

It does blend well in some setups and may look bulky in others. I confirm it with my cooking digital probe thermometer. I would definitely recommend this product. I will definitely be buying another one for my other tanks at bigger one. I hope these suction cups work very well. The temperatures are pretty accurate. If the water runs low or air gets in the heater shuts off.

  • Uniclife Preset Aquarium Heater Submersible 50W/250 W with Electronic Thermostat Fish Tank Heater for 10/80 Gallon
  • 5~15 gallons fish tanks were recommended. Applicable for freshwater, marine and tropical aquariums.
  • Preset temperature of 78°F: Built-in electronic thermostat, Model PH50 would automatic heating water then maintain the temperature at 78±2° which is an ideal temperature for most of tropical fish. No adjustment needed, so not adjustable, please kindly note before order.
  • Shut-off Automatically: LED indicator light would display red while it’s turned on and heating, will automatic turn off when the preset temperature( 78±2°) was reached.
  • Anti-Shatter:Made of heat-resist thick quartz glass, shatterproof material to keep your fishes safe. UL listed, prevent the risk of fire, electric shock.
  • Small Sized and Submersible: Fully submerge the heater, tightly fix it with 2 strong suction cups vertically or horizontally on the tank. Small size makes it easy to hide and save space.
  • To keep the water at the right temperature of 78 degree F consistently for the most popular tropical fish species.
  • The temperature won’t change suddenly or frequently would make your fish happy and healthy.
  • Made of a shatter-resistant tempered quartz glass, which helps to keep your fish and other aquarium dwellers safe.
  • Manufacture: Uniclife
  • Editor's Impressions Of The Uniclife
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Uniclife Final Thoughts

"My fish is very content."

Come on Fluval, expect better from you. The line is there due to regulations in certain countries. I noticed my old hygger heater beginning to fail and my wife ordered this one. I got the 200W variant for my 54 gallon corner tank that's housing goldfish. Two inches above that is a waterline for maximum. Temperature is slightly off by running a little warmer. The setting always stayed the same.

Overall Score
4.2


(188 Points)

7. Uniclife Aquarium Heater Submersible with Thermometer, 100 Watt for 20 Gallon Fish Tank

User Ratings: 67 5

Uniclife First Impressions

"Just bought a second one!"

I went ahead and went with the the larger 300W for my 45 gallon. I noticed my old hygger heater beginning to fail and my wife ordered this one. I use a 50 for a 5 gal and a 10 gal tank. I think it works well to not stand out like other heaters. Checked the accuracy of the heater with an infrared thermometer. Sometimes you may have to tinker around with the dial. I used to try those other cheap heaters sold on amazon.

  • Uniclife Aquarium Heater Submersible with Thermometer, 100 Watt for 20 Gallon Fish Tank
  • Ideal for 10-25 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.
  • Please notice the red indicator light is on while working, will automatically turn off when temperature reached. Carefully check external condition before use. Recommend testing before introduce to fish.
  • 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 9.7" 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.
  • Manufacture: Uniclife
  • Editor's Impressions Of The Uniclife
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Uniclife Final Thoughts

"I like this heater."

The red light means it's off, blue light means the temperature is constant. I have only had minor problems with the suction cups. It comes with a hanging kit and can be secured on the edge of the tank. The heater is being used in a 40 gallon breeder. No biggie, but annoying nonetheless. Once attached to the tank wall I've had no issues with it coming off. The heater is super thin and the reflective surface is interesting.

Overall Score
4.3


(25 Points)

8. 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
  • Quality
  • Value For Money
  • Affordability

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


(84 Points)

9. 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
  • Quality
  • Value For Money
  • Affordability

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


(888 Points)

10. Uniclife 200 Watt Aquarium Heater with Thermometer, Fish Tanks Heater of 50 Gallon

User Ratings: 74

Uniclife First Impressions

"Peace out."

Pressing and holding the button for 5 seconds changes it from F to C readouts. Keeps the temperature within 1 degree of what you set it to at all times. It's only been set up for a month we'll see how well it does in a few months. The setting always stayed the same. I was amazed how quickly I got to my temperature I need it 78 degrees. I use a 50 for a 5 gal and a 10 gal tank. The temperatures are pretty accurate.

  • Uniclife 200 Watt Aquarium Heater with Thermometer, Fish Tanks Heater of 50 Gallon
  • Can be used in both freshwater and saltwater, applicable for 25-50 gallon fish tanks.
  • Adjust temperature by top red knob, range 68°F-93°F. Tube temperature displayed.
  • Water-tight of IP68 sealing. 2mm shatterproof quartz housing, bottom clash-proof cover. (NOTICE: Can’t be used even just cracked a tiny bit, pls contact us for replacement)
  • Measurement 11.2" x 1" (L x D). Only allowing for vertical or horizontal installment.
  • Package include aquarium heater x 1; Suction Cups x 3; stick-on thermometer x 1.
  • 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.
  • Manufacture: Uniclife
  • Editor's Impressions Of The Uniclife
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Uniclife Final Thoughts

"One word of caution."

You don't have to worry about wide temperature swings with this unit. I have a few of these and I use them in my 55 gallons tanks and a 29 gallon tank. But I am single and don't have to worry about this. It is a bonus that the heater is titanium. I have 3 of the Fluval heaters, in various sizes. This heater is NOT fully submersible. I would definitely recommend this product.

Overall Score
4.7


(5 Points)

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