Editor's Choice - Our Favorite SunGrow Aquarium Heaters

1. SunGrow Betta Plakat Heater, 10-Watt Submersible Aquarium Water Heater for Small Tanks (1.5-Gallons)...

User Ratings: 72 8

SunGrow First Impressions

"5 gallon tank."

I went ahead and went with the the larger 300W for my 45 gallon. The heater is super thin and the reflective surface is interesting. The bonus digital thermometer it came with has been super helpful, and is accurate. We wish the controls were available in Farenheit also to make things a little easier. Bought it as a chiller for the k40 CO2 laser. Pressing and holding the button for 5 seconds changes it from F to C readouts. Beware, but we are hoping for a good outcome!

• SunGrow Betta Plakat Heater, 10-Watt Submersible Aquarium Water Heater for Small Tanks (1.5-Gallons), with Preset Temperature Capability, Suction Cups Included
• ✔ KEEP YOUR BETTA HEALTHY --- To ensure that your betta has optimal health, you need to provide her with warm water. The water in the tank should not go below 74°F for optimal comfort and metabolic efficiency of your crown tail betta. The cold temperature for this gourami family fish will make her lethargic, stressed, and miserable.
• ✔ AUTOMATICALLY REACHES THE PRESET TEMPERATURE --- The smart SunGrow heater for this freshwater fish has a built-in electronic thermostat to automatically maintain water around 72°F which is ideal for most tropical fish. It saves you from the trouble of constantly keeping a check on the temperature of your tank. It will automatically shut down when it will reach the desired temperature, no manual adjustment is needed.
• ✔ CREATES THE IDEAL CONDITIONS FOR FLORA AND FAUNA --- The eastern Asian fish species can survive in a freshwater environment. This heater by SunGrow will create ideal conditions for them. A few preconditions are required to allow it to run with maximum efficiency. The heater must be completely submerged in the water and the indoor temperature should be around 62-74°F.
• ✔ SUCTION CUPS INCLUDED FOR EASY INSTALLATION ---- Easily install the SunGrow Heater vertically or horizontally by using the built-in suction cups to attach to your tank. The best location to place the heater is in the stream of a powerhead or near the water flow, such as the outlet (or inlet) from the filter. This way the heat is evenly distributed throughout your tank.
• ✔ FULLY SUBMERSIBLE WATER HEATER--- This 10-watt aquarium heater supports 1.5 gallons (5 liters) fish tank. Its exterior is designed with tougher than glass and the sealed polymer can be submerged into your tank. The heating element is surrounded by a thick plastic to ensure the protection of these caudal-finned betta fish.
• Manufacture: Luffy Pets Collection

• Editor's Impressions Of The SunGrow
• Heat Quality [star rating='4.8']
• Quality [star rating='4.7']
• Value For Money [star rating='4.2']
• Affordability [star rating='3.8']

Here Are Some Other Related Aquarium Heaters

2. 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 [star rating='5']
• Quality [star rating='4.3']
• Value For Money [star rating='4.8']
• Affordability [star rating='4.4']

3. PERSUPER Submersible Aquarium Heater Adjustable LED Digital Temperature Display Fish Tank Heater for...

User Ratings: 62 12

PERSUPER First Impressions

"And I am glad I did."

I'm not a big fan of the big glass tubes. Am a totally sold customer and would recommend them to anybody! There is no protection from it banging on the glass tank. There is no protection from it banging on the glass tank. Keeps the temperature within 1 degree of what you set it to at all times. The temperature lights up so it's very easy to read. I had a thermometer on opposite side of tank and the heater was dead on true.

• PERSUPER Submersible Aquarium Heater Adjustable LED Digital Temperature Display Fish Tank Heater for Turtle Betta Fish Water Heater with Protective Guard
• Accurate temperature control: the intelligent IC chip is used for the aquarium heater. Press and hold the temperature control button for 3 seconds, switch between Fahrenheit and Celsius, and it is easy to control the temperature between 68 ° f / 20 ° C and 94 ° f / 34 ° C; this heater provides the best living environment for your aquatic organisms.
• Safety assurance: it adopts the highest waterproof grade IP68, titanium pipe material, explosion-proof and anti-corrosion. When heating, it is more resistant to damage than the traditional glass heater, and has the function of overheating and water shortage protection. External temperature controller: touch the button controller to adjust the temperature without wetting your hands.
• Automatic constant temperature function: when the water temperature reaches the specified temperature, the heater will automatically stop heating, when the water temperature is lower than the set temperature, the heater will automatically start heating.
• Easy to use: submersible heaters are suitable for all types of aquariums; they are installed vertically or horizontally to ensure that the equipment is completely submerged. The heating rod shall be completely immersed in water and cannot be heated without water. Please unplug the power supply when cleaning the fish tank or replacing the water in the fish tank.
• Wide compatibility: aquarium heater with CE, FCC and ROHS certification, plug with UL certification; suitable for fresh water and marine aquarium, aquaculture, glass containers and aquaculture system. 12 months warranty, 24-hour professional after-sales service.
• Manufacture: PERSUPER

• Editor's Impressions Of The PERSUPER
• Heat Quality [star rating='4.1']
• Quality [star rating='3.2']
• Value For Money [star rating='4.1']
• Affordability [star rating='4.1']

4. 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 [star rating='4.1']
• Quality [star rating='3.7']
• Value For Money [star rating='3.9']
• Affordability [star rating='5']

5. PGFUNNY 25W Aquarium Heater, Fish Tank Heater for Betta Smart Thermostat, Slim Design Fit 3 to 5 Gal...

User Ratings: 69 7

PGFUNNY First Impressions

"Just bought a second one!"

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. Temperature is slightly off by running a little warmer. There is no protection from it banging on the glass tank. Well worth the money the first one I bought still works great. The temperature lights up so it's very easy to read. I have a 10gallon tank that was at 72 degrees.

• PGFUNNY 25W Aquarium Heater, Fish Tank Heater for Betta Smart Thermostat, Slim Design Fit 3 to 5 Gallon Tank, with Thermometer Strips
• 【Fully Automatic Temperature Control Chip】: Submersible Aquarium heater works in intermittent operation mode,temperature regulate between on 77℉ - 82℉, Unlike the traditional manually adjusted fish tank heaters, no need to set. and will automatically turn on/off to achieve the setting temperature constantly and stably, Energy-efficient.
• 【Suitable for 3-5 Gallon Tank】: Fish Tank Heater 25 watt powerful and slim design fit for small fish tank. The Way of Measure Watt Heater for Your Fish Tank Needing: Watt=(Tank's Length*Wide*Water Height) /1000*2.
• 【Advanced Materials】: sturdy engineering plastic. It has anti-explosion, anti-scalding function, high temperature resistance and high safety. Suitable for aquarium pets such as turtles and fry. Length - 5.35 inch, Width - 0.9inch, Thickness - 0.63inch.
• 【Come with Thermometer Strips】: By using this Thermometer Strips, you will be able to monitor. An easy to identify blue color shows the current temperature of your aquarium water. Temperature Strips is for reference only. Note: The temperature strips should stick on the outside of fish box and level with the heater. due to the different materials of glass , the shown temperature may be delayed.
• 【Quality Assurance】: This product fish tank heater have certificated by CE, ROHS, FCC certifications. Anti-explosion, Waterproof, Scald-preventing, safe operation for pet betta fish.Working power 25w, frequency: 50/60Hz, voltage: 110-120V, waterproof rating IP68.
• Manufacture: ZENGH

• Editor's Impressions Of The PGFUNNY
• Heat Quality [star rating='4.1']
• Quality [star rating='4.7']
• Value For Money [star rating='3.5']
• Affordability [star rating='3.9']

6. Eheim Thermocontrol e100 Heater

Eheim AEH3634090 First Impressions

"The seller was wonderful."

So when I first received it it didn't work and I was very disappointed. Was very impressed with the quality of this heater. The red light means it's off, blue light means the temperature is constant. Temperature is slightly off by running a little warmer. I have 3 of the Fluval heaters, in various sizes. I wouldn't buy any other heater, unless one of these stops working. For Discus you need warm and accurate heater and this seems to do the trick.

• Eheim Thermocontrol e100 Heater
• With the EHEIM thermocontrol-e heating element your fish get the right temperature even more precisely - in every aquarium. The EHEIM thermocontrol aquarium control heater is a further development of the legendary heating element and thermocontrol-e is the latest electronically controlled variant. The obvious ideas are often the best. This also applies to the aquarium heating element. It is simply hung in the water and heats it up. The principle is the same as it was decades ago. But in the meantime the EHEIM controller heater has become an ultra-modern thermal device. The temperature can be set precisely from 68°F to 89°F. It is measured even more precisely and kept more constant by the electronics with a control accuracy of 0. 5 °C. The heat is kept constant with an LED that indicates the heating function. The coating on the heater is made of special laboratory glass that increases the heating surface, serves as a heat shield and ensures even heat emission. There are no cracks and hairline cracks through which condensation water could pass. It is impact resistant. And even extreme temperature fluctuations, such as those that may occur during water changes, do not affect this glass. The heater is absolutely waterproof, can be fully immersed, has a dry run protection (Thermo Safety Control) and is suitable for fresh and marine water. 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
• Item Package Height: 3.0
• Item Package Length: 25.0
• Item Package Width: 3.0
• Manufacture: Eheim

• Editor's Impressions Of The Eheim AEH3634090
• Heat Quality [star rating='4.8']
• Quality [star rating='4.3']
• Value For Money [star rating='4.2']
• Affordability [star rating='4.4']

7. ZEROYOYO Fish Tank Fan Aquarium Cooling Fan USB Charge Hang On Chiller for Water Plants Mini Fish Ta...

User Ratings: 23 42

ZEROYOYO First Impressions

"Well written but vague."

Once attached to the tank wall I've had no issues with it coming off. And I get to keep the first one I bought! They promptly fixed the issue without any delays or drama. Those turned out to be a hit and miss. My marina heater takes a few hours. I was worried about the quality but I am thoroughly impressed with this heater! I'm not a big fan of the big glass tubes.

• ZEROYOYO Fish Tank Fan Aquarium Cooling Fan USB Charge Hang On Chiller for Water Plants Mini Fish Tank
• material: plastic,Colour: Black
• in Aquarium Heaters & Chillers
• Waterproof design, good quality,Made of new high quality materials for long life
• Provide a more suitable temperature for the fish tank to make the fish life more comfortable
• Products include: 1 * mini fan
• Manufacture: ZEROYOYO

• Editor's Impressions Of The ZEROYOYO
• Heat Quality [star rating='3.4']
• Quality [star rating='3.6']
• Value For Money [star rating='2.7']
• Affordability [star rating='3.7']

8. Sheye 500W Aquarium Heater, Fast Heating Submersible Thermostat, Titanium Fish Tank Heater, with LED...

User Ratings: 65

Sheye First Impressions

"Great heater."

It took me only two tries to get it to the correct temperature. The setting always stayed the same. But I am single and don't have to worry about this. It took me only two tries to get it to the correct temperature. They promptly fixed the issue without any delays or drama. Also I like how it shows both the current temperature and the set temperature. The heater protector was very heavy plastic and slim lined which is great.

• Sheye 500W Aquarium Heater, Fast Heating Submersible Thermostat, Titanium Fish Tank Heater, with LED Digital Display and External Temperature Controller, for Salt/Fresh Water
• [Safe & Reliable]: Accurate temperature control making the temperature difference within ±1℃/±2ºF; automatically shut-off the power to avoid overheating and damage, keeping your fish healthy.
• [Rapid Heating]: Aquarium heaters is made of high quality Titanium metal, high heat transfer efficiency and short heating time. 500 watts is ideal for large aquariums of 60-150 gallons.
• [Easy Installation]: Vertical or horizontal installation and ensure the device is fully submerged underwater.
• [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.
• [Wide Compatibility]: The fish tank aquarium heater applicable for freshwater and marine aquariums, aquaculture, glass containers, and hydroponic systems.
• Manufacture: Sheye

• Editor's Impressions Of The Sheye
• Heat Quality [star rating='4.3']
• Quality [star rating='4.9']
• Value For Money [star rating='3.9']
• Affordability [star rating='5']

9. SALUTE Aquarium Heater Submersible Auto Thermostat Heater, (50W/100W/200W/300W) Fish Tank Heater and...

User Ratings: 72 4

SALUTE First Impressions

"Very pleased so far."

This product came in the nick of time! I left seller feedback yesterday but have yet to hear from the seller. We received the chiller promptly and put it into use. Also were nice along the whole process. They shipped us the upgraded version that also heats! The line is there due to regulations in certain countries. Sometimes it gets outside of it's ability to cool but only within a few degrees.

• SALUTE Aquarium Heater Submersible Auto Thermostat Heater, (50W/100W/200W/300W) Fish Tank Heater and Adjustable Temperature with 2 Suction Cups Suitable for 10-115 Gallon Fish Tank
• Accurate Temperature Control: Power: 300W. Suggested water volume: 75-115gal. The aquarium heater temperature can be adjusted automatically. It is very easy to adjust the temperature you need, Adjustable heater from 68°F to 93°F (20°C - 34°C). A good temperature range for most fishes is 76°F to 80°F (25- 27°C).
• Suction Cup Fixing: Fish tank heater also equipped with 2 suction cups . The aquarium heater can be fixed at any position on the cylinder wall. The product's suction cups use thicker, non-aging materials, which greatly extend the life.
• Safe to Use: Double waterproof protection, complete underwater design can accurately maintain the temperature. Aquarium heater with two individual suction units available for safety. Polarity prevention and the power conversion is safe and reliable. Easy operation and high temperature resistance, explosion-proof quartz glass tube, high safety!
• High Quality: Excellent heat resistance, good thermostat Heater insulation, high heat transfer efficiency, strong support hooks and suction cups, the product is more stable and reliable.
• 100% Money Back Guarantee: We are so confident you'll think we have the best submersible heater on the market. If you have any problems with aquarium heater, please feel free to contact us by email. We will offer a free replacement or full refund.
• Manufacture: SALUTE

• Editor's Impressions Of The SALUTE
• Heat Quality [star rating='3.5']
• Quality [star rating='4.2']
• Value For Money [star rating='3.7']
• Affordability [star rating='3.8']

10. Sheye 500W Aquarium Heater, Fast Heating Submersiber Thermostat, Fish Tank Heaters with LED Digital ...

User Ratings: 68

Sheye First Impressions

"This heater works great."

Takes a little while to drop the temps if it is hot in the garage. It comes with a hanging kit and can be secured on the edge of the tank. The line is there due to regulations in certain countries. I waited a little bit to write the review so it could be accurate. Once attached to the tank wall I've had no issues with it coming off. I contacted the manufacturer and they sent me a new unit in less than a week! I left seller feedback yesterday but have yet to hear from the seller.

• Sheye 500W Aquarium Heater, Fast Heating Submersiber Thermostat, Fish Tank Heaters with LED Digital Display and External Temperature Controller, for Salt/Fresh Water (Stainless Steel)
• Safe & Reliable: Accurate temperature control making the temperature difference within ±1℃/±2ºF; automatically shut-off the power to avoid overheating and damage, keeping your fish healthy.
• Rapid Heating: Aquarium heaters is made of high quality Titanium metal, high heat transfer efficiency and short heating time. 500 watts is ideal for large aquariums of 60-150 gallons.
• Easy Installation: Vertical or horizontal installation and ensure the device is fully submerged underwater.
• 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.
• Wide Compatibility: The fish tank aquarium heater applicable for freshwater and marine aquariums, aquaculture, glass containers, and hydroponic systems.
• Manufacture: Sheye

• Editor's Impressions Of The Sheye
• Heat Quality [star rating='5']
• Quality [star rating='3.5']
• Value For Money [star rating='3.5']
• Affordability [star rating='3.8']