Editor's Choice - Our Favorite NICREW Aquarium Heaters

1. NICREW Preset Aquarium Heater, Submersible Fish Tank Heater with Electronic Thermostat, UL Listed

User Ratings: 71 6

NICREW N11941 First Impressions

"Overall happy."

I will definitely be buying another one for my other tanks at bigger one. Just be careful and keep an eye on your temp settings when you have kids over! This heater is NOT fully submersible. The controller is easy to use, very accurate and reliable. I wouldn't buy any other heater, unless one of these stops working. The suction cups are large, high quality and seem to stick great. The temperature gauge is fairly accurate in my 55 gallon tank.

  • NICREW Preset Aquarium Heater, Submersible Fish Tank Heater with Electronic Thermostat, UL Listed
  • Preset to 78°F - no adjustment required, which is the ideal temperature for most tropical fish
  • Automatic safety shut-off to avoid overheating
  • Indicator light allows simple visual confirmation of heater operation (red: heating up; off: temperature reached or unplugged)
  • Made from heat, shatter resistant quartz glass to allows for safe temperature control
  • Suitable for 3 - 10 gallon freshwater, marine and tropical aquariums
  • Manufacture: NICREW
  • Editor's Impressions Of The NICREW N11941
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

NICREW N11941 Final Thoughts

"9 degrees."

The temperatures are pretty accurate. Awesome chiller, perfect for Hydroponics. The heater is being used in a 40 gallon breeder. What more could you ask for great job Hygger Duncan. They shipped us the upgraded version that also heats! Come on Fluval, expect better from you. I like to keep it at 72 and from my thermometer it is reading at exactly 72.

Overall Score
4.4


(647 Points)

Peoples Choice - Other Highly Rated NICREW Aquarium Heaters

2. 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)

3. NICREW Mini Submersible Aquarium Heater, Digital Temperature Display Fish Tank Heater with Adjustabl...

User Ratings: 55 17

NICREW First Impressions

"Thank you for reading."

Personally for me the housing doesn't bother me. --The heater itself is a bit shorter if your tank is a short one. Thanks for the great customer service! I got the 200W variant for my 54 gallon corner tank that's housing goldfish. There is a misconception on the internet that the heater isn't fully submersible. I tested it by unplugging and replugging it. Also I like how it shows both the current temperature and the set temperature.

  • NICREW Mini Submersible Aquarium Heater, Digital Temperature Display Fish Tank Heater with Adjustable External Controller, Suitable for Freshwater & Saltwater Tank
  • Equipped with precise temperature probe, making the temperature difference within ±2ºF to provide ideal living environment for your aquariums
  • Safe and easy to use external controller help operate without getting hands wet, allow Celsius and Fahrenheit control from 68℉/20°C to 94℉/34°C
  • Automatically shut off will be activated if heater is no longer properly submerged, preventing damage
  • Ideal for freshwater and saltwater aquariums, aquaculture, glass containers, and hydroponic systems
  • 100 watts heater is designed for 10-25 gallon fish tank
  • Manufacture: NICREW
  • Editor's Impressions Of The NICREW
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

NICREW Final Thoughts

"Works fine."

210 gallon ones and one 90 gallon bow front tank. This heater is NOT fully submersible. This is only day one though, so I shall keep an eye one it. Per my thermometers, they are all staying constant. Once I opened the box i noticed the quality of the construction. This is only day one though, so I shall keep an eye one it. This this is amazing and is worth the money.

Overall Score
4.0


(109 Points)

4. ISTA Micro Temperature Controller Thermostat 500W/1000W Heater Heating Aquarium Tank Globally

User Ratings: 39 29

Aquarium Equip I630_1000W ISTA First Impressions

"And I am glad I did."

My heater is fully submerged underwater and works perfectly fine. At this time I highly recommend this product. Would be great to be able to tune that to. I wouldn't buy any other heater, unless one of these stops working. I use a 50 for a 5 gal and a 10 gal tank. This is a great heater that is very easy to set up and program. The design is sleek and modern looking.

  • ISTA Micro Temperature Controller Thermostat 500W/1000W Heater Heating Aquarium Tank Globally
  • This Digital Temperature Controller is an excellent and convenient multifunction device for measuring and controlling temperature in Aquariums.
  • The stability of aquarium temperature is one of the crucial factors that contributes to the health and safety of your fish.
  • By utilizing the temperature controller, you can provide an environment with optimal temperature for your fish. This advanced temperature controller can measure and control temperature from 20 to 35 °C in Aquarium.
  • It has 3 power socket and maximum loading power is up to 1000 W. The controller set provides two Free500W Heating Rod ing Rod . The heating rod has over heating protection so it will automatic power off for heating rod when measured temperature reach 36 °C.
  • For aquarium in-door use only.
  • Manufacture: ISTA
  • Product Dimensions: 12.09 x 7.2 x 5 inches; 2.09 Pounds
  • Editor's Impressions Of The Aquarium Equip I630_1000W ISTA
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Aquarium Equip I630_1000W ISTA Final Thoughts

"Works great."

This is a great heater that is very easy to set up and program. Beware, but we are hoping for a good outcome! Also I like how it shows both the current temperature and the set temperature. I recieved this product without the instructions or the added thermometer. Temperature is slightly off by running a little warmer. This little heater is perfect; this is our third purchase of the same heater. The line is there due to regulations in certain countries.

Overall Score
3.2


(46 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 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)

7. YukiHalu Small Size Submersible Aquarium Heater, 1℉ Accuracy, Mini Fish Tank Heater 50W 100W with ...

User Ratings: 70

YukiHalu First Impressions

"There was only~0."

It is a bonus that the heater is titanium. No biggie, but annoying nonetheless. I have a 10gallon tank that was at 72 degrees. I had a thermometer on opposite side of tank and the heater was dead on true. The heater protector was very heavy plastic and slim lined which is great. They shipped us the upgraded version that also heats! I like the fact that it comes with a digital thermometer.

  • YukiHalu Small Size Submersible Aquarium Heater, 1℉ Accuracy, Mini Fish Tank Heater 50W 100W with Built-in Thermometer, Dual LED Temperature Display, External Temperature Controller
  • 【Compact and Quiet, 50W Heater】 YukiHalu small aquarium heater is suitable for 1~10 gallon mini fish tanks. Much more compact than a comparable 50W glass tube heater and takes less space in your tank, easy to hide in the tank. Temperature can be accurately adjusted from 64 to 93°F. This heater suitable for both saltwater and freshwater. The rated voltage is 100-130V.
  • 【1℉ Accuracy & Intelligent Frequency Conversion】Thanks to advanced Intelligent Frequency Conversion Technology, the temperature accuracy is up to 1℉. 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. If the water temperature is lower than the target temperature of 1°F, the heater will work at full power. Compare to traditional heater, this new technology will cut down 49% electricity bill for you.
  • 【Easy to adjust the temperature without wet your hands】The heater is its external controller to set the temp instead of dipping your hands into your tank to rotate a dial found on most glass tube heaters. Here you can change the temperature as many times as you like without having to ever wet your hands or contaminating your tank. 3 Strong suction cups, easy to install.
  • 【Easy to Read & Built-in Thermometer】Dual built-in temperature sensor. Dual LED display. The water temperature will be displayed on both the heater and the external temperature controller in real time.
  • 【Safety & 4 Protections】Electric Leakage protection / Overheating protection / Dry running protection / Out of water protection. Sturdy engineering plastic shield, scalding resistant and explosion resistant. 30 days full refund, 12-months warranty.
  • Press and hold the button in external controller for more than 3 seconds to unlock the key
  • Short-press the button once, the temperature number will increase 1℉. Keep short-pressing the button until the target temperature is reached. It is a cyclic adjustment
  • Built-in Thermometer
  • Manufacture: YukiHalu
  • Product Dimensions: 2.7 x 3.3 x 1.2 inches; 9.52 Ounces
  • Editor's Impressions Of The YukiHalu
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

YukiHalu Final Thoughts

"They contacted me."

The suction cups are large, high quality and seem to stick great. It is a bonus that the heater is titanium. Per my thermometers, they are all staying constant. Would be great to be able to tune that to. I left seller feedback yesterday but have yet to hear from the seller. The heater protector was very heavy plastic and slim lined which is great. It does blend well in some setups and may look bulky in others.

Overall Score
4.6


(10 Points)

8. 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)

9. HONUTIGE Aquarium Chiller Fish Tank Cooling Fan, Mini Aquarium Cooling Fan, Quiet Energy Saving Temp...

User Ratings: 64 36

HONUTIGE First Impressions

"Will not switch!"

Now, both points are clear on the package instructions. I use this little heater for my 10 gallon quarantine tank. The temperature difference was very minor. I have had to turn the dial to about 78-79 for the tank to stay around 76 degrees. Temperature is slightly off by running a little warmer. We would consider a replacement and then we would return the defective unit. I have a few of these and I use them in my 55 gallons tanks and a 29 gallon tank.

  • HONUTIGE Aquarium Chiller Fish Tank Cooling Fan, Mini Aquarium Cooling Fan, Quiet Energy Saving Temperature Control Clip-On Chiller with Adjustable Angle for Salt/Fresh Water
  • Powerful Temperature Cooling System - Aquarium Cooling Fan can continuously provide strong and uniform wind, effectively accelerate the heat dissipation
  • Energy Saving & Low Noise - Lower power consumption, little noise, large air output, quickly dissipate the heat of aquarium. Adjustable fan base, change the direction of air flow, adding oxygen to water.
  • Features - These fans can be used on their own, or in conjunction with an automatic temperature controller.
  • Easy to Install - Easy installation on the glass fish tank.With plastic protection frame, durable and practical.
  • 3 Model TypeS in Available - Different fans of 2/3/4 heads to suit a range of aquarium sizes.
  • Manufacture: HONUTIGE
  • Product Dimensions: 12.6 x 3.94 x 3.15 inches; 0.35 Ounces
  • Editor's Impressions Of The HONUTIGE
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

HONUTIGE Final Thoughts

"Just bought a second one!"

For Discus you need warm and accurate heater and this seems to do the trick. I will be ordering more of these in the future. I noticed my old hygger heater beginning to fail and my wife ordered this one. This little heater is perfect; this is our third purchase of the same heater. I used to try those other cheap heaters sold on amazon. The heater is easy; turn the dial to set temp and plug in. The heater is super thin and the reflective surface is interesting.

Overall Score
3.5


(3 Points)

10. Teco Tank TK-500 1/6 HP Aquarium Chiller

Teco US T143132 First Impressions

"I angled it."

The temperature has been holding all day, even in a colder room. The suction cups are large, high quality and seem to stick great. The temperature lights up so it's very easy to read. I like the fact that it comes with a digital thermometer. I bought a similar one at the pet store and it barely worked. I have it set to 81F to get a 77F water temp. The temperature lights up so it's very easy to read.

  • Teco Tank TK-500 1/6 HP Aquarium Chiller
  • For Typical Consumer Aquarium Sizes up to 130 Gallons
  • Built-in Heater, Rotatable Top Exhaust Conveyor and Magnetically-Affixed Filter Screen
  • Intuitive and Accurate Digital Thermostat Controller (ºF or ºC)
  • 1/6 Horsepower Motor and 450 Watts of Cooling Capacity
  • Made in Italy, 2-Year Limited Warranty
  • Manufacture: TECO Refrigeration Technologies, S.r.l.
  • Product Dimensions: 12.2 x 12.2 x 16.38 inches; 36.38 Pounds
  • Editor's Impressions Of The Teco US T143132
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Teco US T143132 Final Thoughts

"Will buy again."

I use a 50 for a 5 gal and a 10 gal tank. I love the heater otherwise, but I'm afraid some water has gotten inside the heater. Keeps the temperature within 1 degree of what you set it to at all times. I have a 10gallon tank that was at 72 degrees. I have 3 of the Fluval heaters, in various sizes. I left seller feedback yesterday but have yet to hear from the seller. You program it for temperature you want your tank to be.

Overall Score
4.0


(1 Points)

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