Best aquarium heater in 2022 [Based on 50 expert reviews]

Orlushy Submersible Aquarium Heater,150W Adjustable Fish Tahk Heater with 2 Suction Cups Free Thermometer Suitable for Marine Saltwater and Freshwater

$22.99
$15.99
 in stock
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • ★150W aquarium heater is suitable for 20 to 30 gallons aquariums,Length - 9.5",voltage 110-120V, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart.
  • ★It shows an area to adjust the temperature. It's not exactly accurate but it turns easy and can be adjusted at small intervals
  • ★Explosion Proof: 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank.
  • ★Precise temperature dial from 68 to 89°F allows for complete control of aquatic climate within a 1-degree difference
  • ★Adjustable Aquarium Fish Tank Water Heater Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the temperature is reached.

DaToo 50 Watt Aquarium Heater Submersible Adjustable Temperature Fish Tank Heater 50W

$8.99  in stock
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • 【50W DaToo Aquarium Heater】: A suitable temperature is very important for our beloved fish. No suitable temperature, our fish will not survive healthy. How to create this comfortable temperature? DaToo will help you. The DaToo Submersible Aquarium Heater is a system that create a warm and comfortable living environment for your lovely fish. Select DaToo Aquarium Heater, Let us care about your fish starting from the water temperature.
  • 【Adjustable Temperature】: Only need turn the knob on the top of the DaToo fish tank heater, You can easily get the temperature you want(68 to 93°F) and you can read the temperature you set by the dial of the aquarium heater. Perfect Thermostat system to ensure that your beloved fish can be happy and comfortable life. Very Convenient !
  • 【Sturdy And Durable】: Still worried about the heater will be broken?Now let's say goodbye to this worry. The shell of the DaToo Aquarium Heater is made with Shatterproof, Corrosion resistant, Wear-resistant microcrystalline glass(glass-ceramics), can be used in fresh water and salt water.The heating part is made of nickel-chromium alloy, ensure superior heat transfer and enhanced service life. Select DaToo Fish Tank Heater, Let it serve your fish forever.
  • 【BPA Free And Energy Saving】: Every plastic component of the DaToo Fish Tank Heater is made with durable, high-quality, BPA-free plastic. The process of heating does not produce invisible toxins. This means it is safe not only for your fishes, but for you as well. Stepwise heating mode, it will automatically turn on and off to keep your set temperature, reduce electricity consumption. Select DaToo Aquarium Heater, not only care about your fish, but also save electricity fee for you.
  • 【Attention】: This is 50W DaToo Aquarium Heater, 7.6inch, fit 5 to 15 gallons tank with hoods or glass canopies and keep the water flowing. Please make sure that the heater is completely submerged in the water when using it. We provide One Year Warranty and 100% Money-back Guarantee. Select DaToo Products= Own A Private Aquarium Housekeeper.

Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt

$11.99
$10.10
 in stock
4 new from $9.99
20 used from $9.59
Free shipping
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • All Tetra HT heaters have indicator lights to let you know when the heater is on. It will be red when heating and green when the proper temperature has been reached.
  • The HT10 uses a built in electronic theromstat to automatically maintain water at 78° F which is ideal for most tropical fish. No adjustment is requried.
  • Ideal for aquariums between 2 to 10 gallons with hoods or glass canopies
  • The HT heater is fully submersbile and can be installed vertically or horizontally. It's small footprint makes it easy to conceal behind plants or other décor.
  • Please read all label information upon delivery. DO NOT plug heater into an electrical outlet until it is placed inside the aquarium.

HITOP 25W 50W 100W 200W 300W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat with Suction Cup (50W)

$19.99
$14.97
 in stock
2 used from $12.78
Free shipping
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • HITOP aquarium heater 50W, length 7.2-inch, power cord 4.9ft, designed for small fish tanks, recommended for aquariums up to 15 Gallons.
  • Thickened Glass: 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.
  • Adjustable and easy to use: This aquarium heater, adjustable temperature range 68 ~ 93 °F, after setting the temp you want, will on or shut off automatically when the water temperature changes, no extra adjustment is required.
  • Accurate Temperature Control: This fish tank heater built-in thermostat, will automatically keep the water at the set temperature within±2°F error. Comes with an sticker thermometer to detect water temp at any time.
  • Easier installation, you can install it with any angle by 2 powerful suction cups, just make sure it is under water fully. Besides, we provide 1 more extra suction cup for spare (total 3 PCS), and we provide 12 months warranty.

Hitop 50W/100W/300W Adjustable Aquarium Heater, Submersible Glass Water Heater for 5 – 70 Gallon Fish Tank (100W for 10-30 Gallon)

$23.99
$16.97
 in stock
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • Explosion Proof: The aquarium heater is made of 2mm thickened quartz glass, 33% thicker than ordinary glass, explosion-proof, not easy to crack, which is very safe for people and aquatic animals.
  • Application: 100W water heater is suitable for 10–30 gallon tank, also suitable for both saltwater and freshwater, suitable for fish tanks and turtle tanks, must be completely submerged in water when using.
  • Accurate Temperature: The fish tank heater can be adjusted from 68°F to 93°F (20°C - 34°C), comes with a thermometer sticker, convenient to detect the water temperature without another pay.
  • Long Service Life: This fish heater adopts 8-slot multi-branched heating wire ceramic frame, shorter length, 9.5*1*1 in(24*2.5*2.5 cm), better heat dissipation, and can save more space for your fishes.
  • Complete Accessories and Warranty: This aquarium submersible heater comes with accessories you need, in addition to the thermometer, it comes with 3 suction cups, one for replacement, and offer 12 months warranty, giving you peace of mind after your purchase.

Aqueon Preset Aquarium Fish Tank Heater 100 Watts

$25.99
$19.94
 in stock
11 new from $15.99
9 used from $13.15
Free shipping
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • Preset to 78°, accurate to +/- 1°
  • No adjustment required
  • Shatter resistant
  • Fully submersible, auto shut-off when overheats, resets when cools down
  • LED light turns on when aquarium water is being heated

MarineLand Precision Submersible Heater, for Freshwater or Saltwater Aquariums, 250-watt

$33.99
$25.66
 in stock
4 new from $22.99
2 used from $20.64
Free shipping
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • THERMAL SWITCH: Automatically turns off when temperature rises above an internal pre-set and turns back on once it cools down.
  • ADVANCED HEATING ELEMENT: Contains a mica core surrounded by a mesh heating element for superior heat transfer with enhanced durability.
  • MOUNTING BRACKET: Securely attaches to glass and provides three 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.
  • This 250 watt heater is for aquariums up to 70 gallons. Adjustable temperature dial allows you to set the temperature 1 degree with every click.

HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water for Saltwater and Freshwater

$59.99
$39.99
 in stock
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • 【Rapid Heating and Two Temperature Control System】300W aquarium heater is sutable for 40-75 gallon fish tank and made of the most stable nickel-chromium heating wire, which can quickly and stably conduct heat to the surroundings. It has a built-in temperature control system of Fahrenheit and Celsius(Temp range: 63-94℉/17-34℃). You can press and hold the button next to the controller for 2-3 seconds to switch.
  • 【Intelligent Water Sensor and Over Temperature Protection】This fish tank heater has a unique intelligent temperature and water sensor system, the heater will automatically stop heating when the heater is completely out of water or it rapidly heats beyond the set temperature, the indicator light will turn green in both cases to ensure the maximum safety of you and your aquatic organisms just like protecting our own safety.
  • 【Explosion-proof Quartz Glass Aquarium Heater】The submersible aquarium heater is made of explosion-proof quartz glass material and a high-temperature resistant nickel-chromium heating wire with silicon carbide heat conduction, faster water heating and longer lasting. And the stronger black shell is a high temperature resistant ABS material which protect the fish, your aquatic organisms and you from scalding.
  • 【Accurate External Digital Display Controller】The external IC temp controller of this aquarium water heater can show the water temp with 2 red LED digits. The temperature in Fahrenheit and Celsius is displayed, which can be switched by pressing and holding the button for a few seconds. To set the temp, just press the button over and over until the screen displaying the temp you desired, the setting is done and the led shows the current water temp again.
  • 【Wide Range of Use】This 300 watt adjustable aquarium heater is suitable for many occasions. The fish market is a common place for us. It can maintain the freshness of fish. They are also suitable for places where aquatic life such as fish tanks, aquariums, and small fish ponds are kept. There are strong suction cups on the heater guard and the thermometer, it's easy to install the aquarium heater no to the tank walls or bottom, please keep them fully submerged.

HITOP Mini Submersible Aquarium Heater - 25W 50W 100W 200W 300W Small Heater for Fish Tank 1-70 Gallon with Controller (200W)

$23.97  in stock
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • HITOP Compact size aquarium heater 200W with controller, suitable for seawater and freshwater heating, betta fish and turtle tanks and other small fish tanks 25-50 gallon.
  • Easy to operate: This fish tank heater is easy to use, 6Ft long cable wire and the external controller can easily set the temperature, and the temperature adjustment range is 68-93℉.
  • Easy to read temperature: The controller of this heater has Digital LED temperature display, which can display the real-time water temp and set temp, so that you can know the temperature changes in the fish tank easily. There is also a clear heating indicator on it.
  • Fish-friendly: This aquarium heater is made of thickened quartz glass, and has good sealing performance to prevent water from entering, making it a more fish-friendly heater.
  • Package: Comes with two suction cups, a bottom cover, and a sticker-thermometer. Please check the product carefully before using it, we provide a 12-month warranty for this product.

hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving Water Automatically Stop Heating System, for Freshwater and Saltwater

$47.99  in stock
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • 300 WATTS AQUARIUM HEATER - 300W aquarium heater is suitable for 40 to 80 gallon saltwater and freshwater aquariums. The heater length is 10.8 inches, voltage 110-120V, power cord is 10.1 feet. Please select the appropriate wattage aquarium heater according to our size chart
  • OVERHEATING & OUT OF WATER PROTECTION - When the water temperature exceeds 94°F or it is lower than the minimum water level, the heater will automatically cut off the power and stop heating, it will display an error code and sound an alarm until the water temperature is below 94°F or the heater is completely immersed in the water. Error code: HH-high temp; LL-low temp; AUTO shut off-out off water. Multiple protection, let you get rid of "boiled fish"!
  • DIGITAL LED CONTROLLER - Temperature adjustable range: 59℉-93℉, Accuracy:±1°F. You can use the included bracket to mount the controller on the edge of the tank to adjust the temperature without reaching into the water. LED controller shows the current water temperature, preset temperature, working power and more warning sign of Low/ Hi temperature/ Auto shut off. Very easy to operate!
  • EFFICIENT AND EXPLOSION PROOF - The aquarium heater is made of explosion-proof quartz glass and high-temperature resistant nickel-chromium heating wire. This results in faster water heating, safer, and more longer-lasting. The heater guard is made of high quality PC plastic to protect your fish from burns
  • COMPLETE ACCESSORIES AND WARRANTY - This aquarium heater comes with accessories you need. Package includes 1 aquarium heater, 1 controller, 3 suction cups, 1 bracket and 1 hook. It offers 12 months warranty.

Fluval M50 Submersible Heater, 50-Watt Heater for Aquariums up to 15 Gal., A781

$18.00
$13.99
 in stock
7 new from $13.98
14 used from $12.87
Free shipping
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • Aquarium heater that blends into the aquarium environment with built-in reflective technology that mirrors the surrounding colors
  • Computer-calibrated thermostat and easy-to-adjust temperature control dial
  • Shock resistant Borosilicate glass and high density ceramic heat sick
  • Easy to install with slim profile tube for easy placement
  • 50-watt heater suitable for freshwater and saltwater aquariums up to 15 gallons with a 3-year warranty

hygger Aquarium Heater,75W/150W/300W Submersible Fish Tank Water Heater Double Quartz Explosion-Proof with for Freshwater Saltwater Tank

$25.99  in stock
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • DIGITAL DISPLAY & EXTERNAL CONTROLLER: Easy to use, LED digital display, external hand controller, press one time adds one degree, can be set between 59℉(15℃)~93℉(34℃), easy to know the real-time temperature. The working status can also be displayed, red light on: heating, green light on: constant tempe.
  • ANTI-DRY PROTECTION: Intelligent temp sensing, when the heater is exposed to air, display ER fault code and the heater will shut off automatically. When the heater is completely immersed in water, it will start working automatically. Effectively extend the service life. It has a power-off memory function and no need to set it again.
  • OVER TEMPERATURE PROTECTION: Intelligent induction device, stable work, good performance, over-temperature protection, avoid cooking fish due to high temperature. When temp pass 95 °F, the LED display showsflashing 95 number code, red and green light flash together, the heater will shut off automatically.
  • SAFE AND ANTI-BURN: The nickel-chromium heating wire materials has higher thermal energy efficiency, and then conducts heat through silicon carbide material, which effectively utilizes electrical energy to convert into thermal energy, with long service life and uniform heating, with quartz glass material, safe explosion-proof and anti-burn. The exterior high tempe resistant plastic cover, not easy to deform.
  • SMALL NOT TAKE UP SPACE: hygger 75W/150W heater can be installed horizontally or vertically, also for saltwater & freshwater, and can be used in various small turtle and fish tanks, which can fully meet your needs. Note: Do not put the heater in the sand.Please make sure that the water surface is at least 2 inch above the heater.

SOUTH SHORE RETAIL, LLC 300 Watt Digital Aquarium Heater for Fish Tank - Fits 10-125 Gallon Tanks - Most Affordable Digital 300 Watt Heater on Amazon!

$17.98  in stock
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • SPECIAL Introductory Price! - 300 Watt Smart Aquarium Heater: Fits and heats tanks from 10 gallons to 125 gallons
  • Smart Rapid Heating Mode: Quickly heats water up to 82 degrees. Standard heating speed after 82.
  • Automatic Smart Auto Shut Off: Shuts down when heater detects water is too low or pulled out of water while plugged in. Explosion Proof - Consistent Electronically Monitored Temperature Controls - Overtemperature Protection -
  • Safe Efficient: Nickel Chromium wiring to conduct heat. - Reinforced tubing protection - Power Cord Length: 5.5 feet. 6 feet including heater length.
  • Veteran Owned and Operated Company. 100% Satisfaction Guarantee! If you have any issues at all please message us for a full refund.

FREESEA Aquarium Fish Tank Heater: 25 Watt Mini Submersible Heater Adjustable Thermostat for 1-5 Gallon Betta | Turtle

$14.99  in stock
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • : Length - is 6.8 inches, 110V/60Hz, Cord length is 4.0ft, Suitable for 1-5 gallons aquarium, IP 68 waterproof, anti-corrosion, please choose the right wattage aquarium heater according to our size chart
  • -℉: Adjustable aquarium heater for easy use, just turn the top knob to freely adjust the temperature you need. We also provide a free sticker thermometer for each customer, so you can observe the water temperature of the fish tank at any time
  • : Plug in the power supply and check whether the indicator is on. The yellow light means the heater is working. When the water temperature is lower than the set value, the fish heater will automatically start heating. When the water temperature reaches the set value, the heating will stop and the indicator lights off
  • : Use high-quality 2mm thickened glass with excellent explosion-proof performance, and anti-corrosion, which can be used in fresh water and salt water. Double sealing design, IP 68 waterproof, insulating, anti-leakage, safe and reliable to use
  • : Betta fish tank heater must be completely submerged in the water before turning on the power. To clean the tank or move the heater, unplug it first. We provide a 1-year warranty for our products. If you have any suggestions for this heater, please feel free to let us know. Let's create a warm and comfortable environment for your lovely fish together!

Odyssea Aquarium Heater Submersible (100W)

$9.95  in stock
Amazon.com
as of November 28, 2022 1:39 pm

Features

  • Fully Submersible
  • Length: 9.50"
  • Wattage: 100W
  • Up to 30G
  • For freshwater or saltwater

Gabrielle Rhodes

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