10 Best aquarium heaters in the US

Advertising Disclosure

Last Updated - April 19, 2024

Best Choice

1

hygger
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

Why we love it

Quick and even heating

Protects against over and under heating

Automatic shut off
Main highlights

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"!
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
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!
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.
500 WATTS AQUARIUM HEATER - 500W aquarium heater is suitable for 66 to 135 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
Show more
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

View on Amazon

Show more
Best Value

2

HiTauing
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

33% Off

9.9 clearly written

9.3 worth the money

9.3 Simple to use

Why we love it

Heats quickly and evenly

Explosion proof

Temperature display
Main highlights

【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.
【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.
Show more
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

View on Amazon

Show more
3

Orlushy
Orlushy Submersible Aquarium Heater,300W Adjustable Fish Tahk Heater with 2 Suction Cups Free Thermometer Suitable for Marine Saltwater and Freshwater

10% Off

8.4 Vacuum strength

8.2 worth the money

8.0 Temperature control

Why we love it

This aquarium heater is suitable for 40 to 55 gallon aquariums.

It has an adjustable temperature dial from 68 to 89 F.

It is made from 2mm thickened quartz glass.
Main highlights

★Precise temperature dial from 68 to 89°F allows for complete control of aquatic climate within a 1-degree difference.
★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.
★Adjustable Aquarium Fish Tank Water Heater Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the temperature is reached
★300W aquarium heater is suitable for 40 to 55 gallons aquariums,Length - 11 inch,voltage 110-120V, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart.
Show more
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

View on Amazon

Show more
4

Tetra
Tetra 26446 HT Submersible Aquarium Heater With Electronic Thermostat, 100-Watt,Multicolor

9.1 Comfort

8.9 lasts a long time

8.4 worth the money
Main highlights

The HT20 uses a built in electronic theromstat to automatically maintain water at 78° F which is ideal for most tropical fish. No adjustment is requried.
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.
Ideal for aquariums between 10 to 30 gallons with hoods or glass canopies
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.
Show more
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

View on Amazon View on Chewy View on PetSmart

Show more
5

Aqueon
Aqueon Aquarium Fish Tank Preset Heater For Up To 40 Gallons, 100 Watts

52% Off

8.0 Vacuum strength

8.0 worth the money

8.0 Precision

Why we love it

Stable, accurate temperature

Automatic safety shut off

LED indicator light
Main highlights

Shatter resistant
Preset to 78 degree, accurate to plus/- 1 degree
No adjustment required
LED light turns on when aquarium water is being heated
Ideal for aquariums up to 30 gallons
Fully submersible, auto shut-off when overheats, resets when cools down
Show more
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

View on Amazon View on Chewy View on Walmart
View on Newegg US
Show more
6

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

8.9 worth the money

8.7 Vacuum strength

8.0 Precision
Main highlights

HITOP aquarium heater 50W, length 7.2-inch, power cord 4.9ft, designed for small fish tanks, recommended for aquariums up to 15 Gallons.
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.
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.
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.
Show more
9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

View on Amazon

Show more
7

MarineLand
Marineland Precision Heater for Saltwater or Freshwater Aquariums

13% Off

8.2 clearly written

8.0 Vacuum strength

8.0 Precision

Why we love it

The advanced heating element is mica based for quick, even heat distribution

The thermal switch prevents overheating and keeps your aquarium at a consistent temperature

The easy to view sliding scale and top dial let you check the temperature from anywhere in the room
Main highlights

This 150 watt heater is for aquariums up to 40 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
Easy to view sliding scale tells the exact temperature setting. Top dial view shows the setting from an additional location.
Advanced mounting bracket securely attaches to glass and provides 3 window positions to view the temperature display
Show more
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

View on Amazon View on Chewy

Show more
8

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

Long Service Life: This fish heater adopts 8-slot multi-branched heating wire ceramic frame, shorter length, 11*1*1 in(27*2.5*2.5 cm), better heat dissipation, and can save more space for your fishes.
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.
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.
Application: 300W water heater is suitable for 35–70 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.
Show more
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

View on Amazon

Show more
9

hygger
hygger ETL Certification Aquarium Heater, 50W/100W/200W/300W Submersible Fish Tank Thermostat Heater with Firm Double Pair Suction Cups for Coral Saltwater and Freshwater Tank with Thermometer (100W)
Main highlights

WORKING PRINCIPLE: The hygger aquarium thermostat heater stops when the surrounding water temperature reaches the set temp, and starts to work when the surrounding water temp is low, and it cycles over and over again to achieve equilibrium. It is not a traditional heater that has been heated all the time.
TEMP SETTING GUIDELINE: DO: Rotate left and right to adjust the temperature, easy to adjust, the temp range of aquarium fish tank water heater is 68℉~92℉. SEE: temperature scale setting guide bar. Working indicator light, plug in the power, the working state is more intuitive.
SAFETY CERTIFICATE: ETL Certification Fish Tank Heater, hygger provide the most effective guarantee for your fish tank. Thickened Quartz Protective Glass; Bottom Protective Cover; Stable Suction Cup; Double Seal; Precision Welding; No Leakage Of Insulation.
QUALITY GUARANTEE: hygger submersible aquarium heater, 2mm thick glass tube, heat conduction is more even, anti-collision, explosion-proof and corrosion-resistant, dual-purpose for betta freshwater and saltwater. The high-efficiency heating wires have a large area and are arranged tightly to increase the heating area and transfer the heat evenly.
LED THREE-DIGIT DISPLAY THERMOMETER:A high-precision temperature sensor is selected, which can display the temperature difference range to ±0.1℉, and even small changes in water temperature can be felt. The sensing range of thermometer is from 0℃~50℃/32℉~122℉, meeting different needs for water temperature monitoring.
Show more
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

View on Amazon

Show more
10

Fluval
Fluval M 200 Watt Submersible Heater

12% Off

9.1 Vacuum strength

8.7 Temperature control

8.2 Precision

Why we love it

Invisible design

Precise temp control

Durable glass/ceramic
Main highlights

The heater also includes an exclusive mirror technology that reflects the colours of the aquarium and enhances overall aesthetics.
Submersible heater provides exceptional performance and unsurpassed reliability
Sleek and compact
Quality heater made in Europe using superior components and construction
For fresh and saltwater tanks
Show more
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

View on Amazon View on Chewy View on Walmart
View on PetSmart
Show more

Best Choice

10 Best aquarium heaters in the US

1

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

Why we love it

2

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

Why we love it

3

Orlushy Submersible Aquarium Heater,300W Adjustable Fish Tahk Heater with 2 Suction Cups Free Thermometer Suitable for Marine Saltwater and Freshwater

Why we love it

4

Tetra 26446 HT Submersible Aquarium Heater With Electronic Thermostat, 100-Watt,Multicolor

5

Aqueon Aquarium Fish Tank Preset Heater For Up To 40 Gallons, 100 Watts

Why we love it

6

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

7

Marineland Precision Heater for Saltwater or Freshwater Aquariums

Why we love it

8

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

9

hygger ETL Certification Aquarium Heater, 50W/100W/200W/300W Submersible Fish Tank Thermostat Heater with Firm Double Pair Suction Cups for Coral Saltwater and Freshwater Tank with Thermometer (100W)

10

Fluval M 200 Watt Submersible Heater

Why we love it

Sign up and get exclusive special deals