Editor's Choice - Our Favorite PGFUNNY Aquarium Heaters

1. 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
  • Quality
  • Value For Money
  • Affordability

PGFUNNY Final Thoughts

"Works great."

This does a great job at regulating the temp in my 10 gallon. Well I bought a second one took me only one trying to get the right temperature. The heater is being used in a 40 gallon breeder. I love the heater otherwise, but I'm afraid some water has gotten inside the heater. I'm in the process of setting up for tanks. Well I bought a second one took me only one trying to get the right temperature. We would consider a replacement and then we would return the defective unit.

Overall Score
4.3


(724 Points)

Peoples Choice - Other Highly Rated PGFUNNY Aquarium Heaters

2. PGFUNNY Aquarium Heater, Adjustable LED Digital Temperature Display Smart Thermostat Betta Fish Heat...

User Ratings: 63 15

PGFUNNY First Impressions

"FIVE STARS!"

It is safe and dependable and comes with a one year warranty. I like the fact that it comes with a digital thermometer. Once attached to the tank wall I've had no issues with it coming off. I have a few of these and I use them in my 55 gallons tanks and a 29 gallon tank. Maintains it well except when the weather is already warm then it over heats it. I'm not a big fan of the big glass tubes. Would be great to be able to tune that to.

  • PGFUNNY Aquarium Heater, Adjustable LED Digital Temperature Display Smart Thermostat Betta Fish Heater, for Betta Tank Heater with Protective Guard
  • 【Fully Automatic Temperature Control Chip】Heater for betta fish have a automatic thermostat 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.
  • 【Water shortage protection】During its heating time, the small aquarium heater must be 100% submerged into the water. This heater automatically shut itself off once it remove from water which ensures the safety of your pet fish.when fully in water again it will return to normal work again
  • 【Digital Display】With led display on the midle of the heater front side, Long press on fish tank heater switch to switch between Fahrenheit / Celsius display. External temperature setting avoids getting hands wet, digital LED display shows real time water temperature. Heating temperature range from 68 to 94°F.
  • 【Suitable for aquarium pets】: Betta Heater Suitable for all kinds of aquarium pets, betta fish, tropical fish, goldfish, ornamental fish and turtles, can work in both brine and fresh water. All shapes and materials betta tank, whether it is glass or plastic, all can be used.
  • 【CE Certification】: The aquarium thermometer made by heat resistant ABS housing, sandy quartz filler and MCH Alumina ceramic heating system, anti explosion & cracking, keep your fish from scalding.This product have certificated by CE, ROHS, FCC certifications.
  • Manufacture: PGFUNNY
  • Editor's Impressions Of The PGFUNNY
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

PGFUNNY Final Thoughts

"And I am glad I did."

--The cylinder or rod diameter is bigger. It's pretty noticeable, but I don't really care. This is only day one though, so I shall keep an eye one it. I wouldn't buy any other heater, unless one of these stops working. The heater is being used in a 40 gallon breeder. I emailed the email it says to and told them. I used to try those other cheap heaters sold on amazon.

Overall Score
4.1


(192 Points)

3. 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)

4. HITOP Adjustable PTC Aquarium Heater, 100W 200W 300W Submersible Fish Tank Heater for 10-120Gal Fres...

User Ratings: 72 5

HITOP HP-M3 First Impressions

"One word of caution."

So if you set it to 78 degrees, the heater will not kick on until it reads 76. I confirm it with my cooking digital probe thermometer. I recieved this product without the instructions or the added thermometer. The line is there due to regulations in certain countries. This heater warmed it right up and now my Betta and guppies are more active. But my guys don't read them and don't listen! So far I like it setup was super easy.

  • HITOP Adjustable PTC Aquarium Heater, 100W 200W 300W Submersible Fish Tank Heater for 10-120Gal Freshwater and Saltwater Fish Tank
  • [PTC ceramic heating element] Compared with the fish tank heater heated by resistance wire, this 300W PTC ceramic fish tank heater has the obvious advantages of high heating efficiency, low energy consumption, long service life and anti-rust.
  • [Adjustable and easy to use] Adjustable rang is 63-90°F. After set the temp you want, when the tank-temp reaches the set-temp, it will stop heating auto, and when the tank-temp is lower than the set-temp, it will start heating auto, easy to operate.
  • [Accurate] The ultra-sensitive internal temperature detection system can sense the tank-temp change in time, so that it can be heated and stopped in time to keep the fish at a comfortable temperature. Therefore this fish heater can also avoid overheating.
  • [Removable protective shell] This aquarium heater has a detachable protective shell, which can not only prevent aquarium pets from being injured by touching the heating part, but also can be easily removed for cleaning.
  • [Compact design/60-120gal] Size: 11.4*2.2*1.2in, simple rectangle design, not only easy to hide, but also save space. This 300W aquarium heater is suitable for 50-120 Gallon large and medium-sized fish tanks and turtle tanks.Comes with 4 suction cups and a stick-on thermometer.
  • Fast heating
  • Power saving
  • Can be used for marine fish tanks
  • Manufacture: Haisen
  • Product Dimensions: 11.4 x 2.2 x 1.2 inches; 1.24 Pounds
  • Editor's Impressions Of The HITOP HP-M3
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

HITOP HP-M3 Final Thoughts

"No copper lines!"

I waited a little bit to write the review so it could be accurate. This has been in my fish tank for a few months now and it's been absolutely perfect! I wouldn't buy any other heater, unless one of these stops working. The design is sleek and modern looking. The temperature has been holding all day, even in a colder room. This has been in my fish tank for a few months now and it's been absolutely perfect! This has been in my fish tank for a few months now and it's been absolutely perfect!

Overall Score
4.4


(361 Points)

5. 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)

6. auomii Mini Submersible Aquarium Heater, 50W/100W Small Fish Tank Heater, Built-in Thermometer, 2 LE...

User Ratings: 65 13

auomii First Impressions

"Highly recommended."

Well I bought a second one took me only one trying to get the right temperature. I was worried about the quality but I am thoroughly impressed with this heater! Beware, but we are hoping for a good outcome! I think it works well to not stand out like other heaters. You don't have to worry about wide temperature swings with this unit. I got this heater for my 55 gallon aquarium. At this time I highly recommend this product.

  • auomii Mini Submersible Aquarium Heater, 50W/100W Small Fish Tank Heater, Built-in Thermometer, 2 LED Temperature Display, External Temperature Controller, Intelligent Frequency Conversion
  • 【Small Size Heater】 AUOMII 100W small size aquarium heater is suitable for 1~20 gallon mini fish tanks, and easy to hide in the tank. Temperature can be accurately adjusted from 64~93°F. This heater suitable for both saltwater and freshwater. The rated voltage is 100-130V. Easy to set temperature, Easy to read temperature, Easy to install
  • 【Accuracy is up to 1℉】Temperature accuracy is up to 1℉ as advanced Intelligent Frequency Conversion Technology. 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. The working frequency will be changed according to temperature variation. If the water temperature is lower than the target temperature of 1°F , the heater will work at full power. The temperature curve is almost a line
  • 【Safety and Reliable】3 pin plug with ground wire, connect the water to ground directly, no risk of electric shock. 4 protections: Leakage protection / Over heating protection / Dry running protection / Out of water protection. Sturdy engineering plastic shield, scalding resistant and explosion resistant. Using touch control button, easy to set and read the temperature. 3 Strong suction cups, easy to install
  • 【Built-in Thermometer】Water temperature will be displayed on both the heater and external temperature controller in real time. Dual built-in temperature sensor. Dual LED display. High accuracy temperature as the temperature sensor is contact with water directly and have excellent heat conduction
  • 【30days refund 12 months replacement】Your purchase today is completely RISK-FREE. If you are not completely satisfied for our device, let us know for a full refund. Why wait? Get it today
  • 100W aquarium heater X1
  • suction cups X3
  • instruction X1
  • Manufacture: auomii
  • Product Dimensions: 2.7 x 2.9 x 1.2 inches; 10.23 Ounces
  • Editor's Impressions Of The auomii
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

auomii Final Thoughts

"I got the 100 watt one."

Or better yet, conceal it to the back corner. I left seller feedback yesterday but have yet to hear from the seller. I will be ordering more of these in the future. Beware, but we are hoping for a good outcome! I will definitely be buying another one for my other tanks at bigger one. I like to keep it at 72 and from my thermometer it is reading at exactly 72. After several weeks of running the heater.

Overall Score
4.1


(19 Points)

7. Inkbird Aquarium Heater with Probe Thermostat Fish Ornamental Shrimp Reef Tanks 24 Hours Double Time...

User Ratings: 75 6

Inkbird First Impressions

"I like this heater."

The temperatures are pretty accurate. The suction cups are large, high quality and seem to stick great. This is only day one though, so I shall keep an eye one it. It would stick out of my 30 g wide tank if I were to put it vertical. I got this heater for my 55 gallon aquarium. Well I bought a second one took me only one trying to get the right temperature. The cover over the heating tubes is great, the turtles claws can't damage the tube.

  • Inkbird Aquarium Heater with Probe Thermostat Fish Ornamental Shrimp Reef Tanks 24 Hours Double Time with Day Night Automatic Temperature Controller
  • 【Two Heating Plug】 Temperature control mode: on / off control. Please note that it is just a heating controller with no cooling function. Both plugs can control heating. The probe comes with a suction tray, which can be easily installed on the water tank.
  • 【Applicable scene】Because it has the powerful function of corrosion protection, it is very suitable for fresh water, sea water aquarium, coral cylinder, ornamental shrimp and tropical fish.
  • 【Dual Time Cycle Setting】Different daytime and night temperatures can be set within 24 hours depending on the physical needs of animals and plants.
  • 【LED display screen】Plug-and-play products are designed with a dual liquid crystal display that provides a temperature display of Celsius or Fahrenheit, capable of displaying.
  • 【Different function】Temperature calibration, over-temperature sensor fault alarm(over-temperature and sensor fault alarm). Maximum output load: 1100 W (110 V).
  • Manufacture: Inkbird
  • Editor's Impressions Of The Inkbird
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Inkbird Final Thoughts

"Peace out."

I would definitely recommend this product. The temperatures are pretty accurate. If the blue light is flashing it means the heater is not fully submersible. Sometimes it gets outside of it's ability to cool but only within a few degrees. I got the 200W variant for my 54 gallon corner tank that's housing goldfish. I dont know, and havent tried just yet. It does blend well in some setups and may look bulky in others.

Overall Score
4.5


(944 Points)

8. Inkbird Pre-Wired Digital Dual Stage Temperature Controller Outlet Thermostats 110V 1100W With 6.65f...

User Ratings: 64 10

Inkbird First Impressions

"I do recommend."

This heater warmed it right up and now my Betta and guppies are more active. But my guys don't read them and don't listen! I was amazed how quickly I got to my temperature I need it 78 degrees. Personally for me the housing doesn't bother me. I love the heater otherwise, but I'm afraid some water has gotten inside the heater. The temperatures are pretty accurate. I'm in the process of setting up for tanks.

  • Inkbird Pre-Wired Digital Dual Stage Temperature Controller Outlet Thermostats 110V 1100W With 6.65ft DC Cord NTC Stainless Probe Sensor for Aquarium, Incubator ect
  • The sensor can easily be replaced.
  • Maximum output load: 1100W (120V).
  • Supports Centigrade or Fahrenheit unit display.
  • Alarm when over-temperature and sensor error.
  • Dual display window, be able to display measured temperature and set temperature at the same time.
  • Item Weight: 1.06 pounds
  • Editor's Impressions Of The Inkbird
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Inkbird Final Thoughts

"I like this heater."

I am very happy with this purchase. It's pretty noticeable, but I don't really care. I'm not a big fan of the big glass tubes. Thanks for the great customer service! Once I opened the box i noticed the quality of the construction. The temperature gauge is fairly accurate in my 55 gallon tank. This has the best controller that I have found on the market.

Overall Score
4.1


(25 Points)

9. hygger Submersible Aquarium Heater, Adjustable Fish Tank Heater Compact Reliable Betta Heater, Heat-...

User Ratings: 63 11

hygger First Impressions

"That wasn't a good sign."

We wish the controls were available in Farenheit also to make things a little easier. After several weeks of running the heater. Come on Fluval, expect better from you. It just cycles through to 93f and starts over. I adjusted the set temperature a little lower to be more in the range I wanted. I appreciate the exterior temp readout and control module. Just be careful and keep an eye on your temp settings when you have kids over!

  • hygger Submersible Aquarium Heater, Adjustable Fish Tank Heater Compact Reliable Betta Heater, Heat-Resistant Milky Quartz Made, with External Temp Controller, 100W/300W, 10-60 Gallon
  • 【For Fish Tank 30-60 gallon】300W aquarium heater, voltage 110-120V, power cord is 5.4ft, please choose the right wattage aquarium heater according to our size chart. Don't suggest use this heater in sump or a tank with turtles in
  • 【Reliable & Safty Protection】automatically shut off when fault occurs. Effectively maintain the tank water in the constant temp you set, stop heating when the water temp is 1.5-2℉ above the set temp and restart heating when the water temp is 1.5-2℉ below the set temp
  • 【Temp adjustable】with external temp controller, set the temp to one of these values you can see on the dial: 75, 77, 79, 81, 83, 85, 87, 89, 91 by rotating the pointer, the heater will not work if you set the temp to other degrees between those values. Temp exactness is within 2 degrees in fahrenheit. There is a built-in thermometer in the heater to detect the water temp
  • 【Durable & Compact】this aquarium heater tube is heat-resistant milky quartz made, excellent in explosion-proof, can be used in fresh water and salt water aquariums, white alundum sand as the heat-conducting media, service life can be 3 years or more. A very compact heater, easy to hide in the tank
  • 【Fully Submersible】this fish tank heater is waterproof, must be fully submerged in water when working, stick it horizontally onto the tank side near the water intake or where the way of water flow
  • Voltage: 100-120V
  • Frequency: 60HZ
  • Manufacture: hygger
  • Editor's Impressions Of The hygger
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

hygger Final Thoughts

"9 degrees."

The line is there due to regulations in certain countries. I left seller feedback yesterday but have yet to hear from the seller. Easy to read the temp and know exactly how warm the water is. It's only been set up for a month we'll see how well it does in a few months. Those turned out to be a hit and miss. I tested it by unplugging and replugging it. I dont know, and havent tried just yet.

Overall Score
4.1


(569 Points)

10. Marineland Precision Heater for Saltwater or Freshwater Aquariums

User Ratings: 64 17

MarineLand ML90652 First Impressions

"There was only~0."

No biggie, but annoying nonetheless. My heater is fully submerged underwater and works perfectly fine. The controller is easy to use, very accurate and reliable. I have had to turn the dial to about 78-79 for the tank to stay around 76 degrees. Easy enough to let it run all the time. I waited a little bit to write the review so it could be accurate. I have had to turn the dial to about 78-79 for the tank to stay around 76 degrees.

  • Marineland Precision Heater for Saltwater or Freshwater Aquariums
  • This 200 watt heater is for aquariums up to 55 gallons. Adjustable temperature dial allows you to set the temperature 1 degree with every click.
  • Thermal Switch automatically turns off as temperature rises above an internal preset and turns back on once it cools down.
  • The advanced heating element contains a mica core surrounded by a mesh heating element for superior heat transfer with enhanced durability
  • Advanced mounting bracket securely attaches to glass and provides 3 window positions to view the temperature display
  • Easy to view sliding scale tells the exact temperature setting. Top dial view shows the setting from an additional location.
  • Manufacture: Marineland
  • Product Dimensions: 3.94 x 1.63 x 14.81 inches; 10.4 Ounces
  • Editor's Impressions Of The MarineLand ML90652
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

MarineLand ML90652 Final Thoughts

"I like the size."

Once I opened the box i noticed the quality of the construction. The red light means it's off, blue light means the temperature is constant. My fish likes to get close to it and he has never been hurt by it. My fish likes to get close to it and he has never been hurt by it. They shipped us the upgraded version that also heats! Ick for instance detaches from fish at 86 degrees and dies at 89. Also I like how it shows both the current temperature and the set temperature.

Overall Score
4.0


(1306 Points)

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