Aquarium Heater

Ensure a comfortable and healthy environment for your aquatic pets with our aquarium heater. Order now for reliable heating and happy fish!

An aquarium heater is an essential piece of equipment for any fish keeper. It ensures that your fish have a comfortable and stable water temperature, which is crucial to their health and well-being. There are various types of aquarium heaters on the market, so choosing one that best suits your needs is important. In this blog post, we’ll look at everything you need to know about aquarium heaters, including how to choose the right one for your tank.

So, what are you waiting for? If you’re looking for a great selection of aquarium heaters? Check out our selection of aquarium heaters today!

Best Aquarium Heaters – Best Seller #1

Orlushy Submersible Aquarium Heater,100W Adjustable Fish Tahk Heater with 2 Suction Cups Free Thermometer Suitable for Marine Saltwater and Freshwater

• ★100W aquarium heater is suitable for 10 to 20 gallons aquariums,Length – 9″,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

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Submersible Aquarium Heaters – Best Seller #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

• 【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.

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Aquarium Heater Reviews – Best Seller #3

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

• 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.

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Fish Tank Heaters – Best Seller #4

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

• 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.

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Saltwater Aquarium Heaters – Best Seller #5

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

• Preset to 78 degree, accurate to plus/- 1 degree
• 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
• Ideal for aquariums up to 30 gallons

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Freshwater Aquarium Heaters – Best Seller #6

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

• 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 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.
• Ideal for aquariums between 10 to 30 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.

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Adjustable Aquarium Heaters – Best Seller #7

Hitop 50W/100W/300W Adjustable Aquarium Heater, Submersible Glass Water Heater for 5 – 70 Gallon Fish Tank (50W for 5-15 Gallon)

• 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: 50W water heater is suitable for 5 – 15 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, 7.8*1*1 in(20*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.

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Digital Aquarium Heaters – Best Seller #8

AQQA Submersible Aquarium Heater,100W/200W/300W/500W/800W/1200W Fish Tank Heater,External Temperature Controller LED Temperature Display with 2 Suction Cups Suitable for Saltwater and Freshwater

• 【Explosion-proof Quartz Glass Aquarium Heater Durable and Safer】The heater 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 long lasting.2 hours heating 1℃.The shell is a high temperature resistant PC material, which can effectively protect the fish from scalding.
• 【Temperatures Ranges 59℉ to 93℉,Automatic Heating】The heating rod built-in thermometer,When the water temperature is lower than the set temperature by 1℉, the heater will automatically heat up, and stop heating when the water temperature is consistent with the set temperature.Fahrenheit and Celsius can be converted to each other,Pressing and holding for 5 seconds changes temperature display from Celsius to Fahrenheit.
• 【LED External Controller with Indicator Light】The controller is not waterproof, please keep away from water，LED digital display screen shows the current water temperature and preset temperature.The number above the controller is the current water temperature, and the number below is the set temperature,Red light means heating,Blue lights indicate constant temperature,blue light flashing indicates the heater not fully submersibled.
• 【Memory Function,Dry Burning-resistant Protection】Controller with memory function,If power is shut off,the heater will keep the temperature settings until it powers on again,no need to worry about pets when you going out.When the heating rod is 5cm above the water surface, the heating rod will automatically power off, and the controller will display “E1”. When submerged in the water again, the heater will automatically return to normal, no need to unplug the power or reset the controller.
• 【Controller Can Be Installed with Adjustable Hooks】A hook can be installed on the back of the controller to hang on the fish tank. The installation is very simple and no tools are needed.The size of the hook can be adjusted according to the thickness of the fish tank，Very safe and reliable.AQQA products enjoy a 1-year warranty, please rest assured to buy.

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Titanium Aquarium Heaters – Best Seller #9

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

• 【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.

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Glass Aquarium Heaters – Best Seller #10

Fluval M50 Ultra-Slim Submersible Aquarium Heater – 50W Underwater Heater for Aquariums up to 15 Gal.

• Modern Aesthetic: M-Series heaters combine modern aesthetics with reliable Italian construction. Employing an ultra-slim profile, these heaters are a welcome departure from traditional, bulkier designs.
• Reflective Design: This heater is encompassed in a heat-and-shock resistant reflective Borosilicate glass tube, which allows it to reflect the surrounding aquarium colors, allowing it to blend in with the environment and enhance overall aesthetics.
• Temperature Control: Computer-calibrated thermostat has an easy-to-adjust temperature control dial and an on/off blue indicator light to display when it’s in use.
• Slim Profile: Ultra slim design allows for easy installation in your aquarium tank.
• Recommended Size: M50 underwater heater is ideal for freshwater and saltwater aquariums up to 15 gallons. Each M-Series heater comes with a 3-year limited warranty.

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How Long Does It Take an Aquarium Heater to Heat Water?

It takes a fair amount of time for an aquarium heater to heat water. On average, it takes 20-40 minutes for a heater to thoroughly warm up the water in a fish tank. The larger the tank, the longer it will take to heat up. It’s important to have patience when heating your tank, as rushing the process can be dangerous for your fish. Allow the heater to run its course and slowly increase the water’s temperature over several hours. Doing so will help ensure the safety of your fish and maintain a healthy aquarium environment.

How to Tell if My Aquarium Heater is Submersible?

You will need to check the manufacturer’s instructions to know if your aquarium heater is submersible. Most submersible heaters will have a watertight seal that prevents water from entering the heating element. If there is no watertight seal, then the heater is not submersible. Additionally, you can check to see if the heater has a thermal cut-off switch. This switch will automatically turn the heater off if it gets too hot, which prevents it from melting or catching fire. Finally, submersible heaters will usually have a higher wattage than non-submersible heaters. This is because they need to be able to heat a larger volume of water.

How Much Electricity Does an Aquarium Heater Use?

The average aquarium heater uses between 2 and 10 watts of electricity. The amount of electricity your aquarium heater uses will depend on the size and type of heater you have. If you have a small aquarium, you can expect your heater to use less electricity than a large aquarium. The type of heater you have will also affect how much electricity it uses. Some heaters are more energy-efficient than others.

If you’re wondering how much your aquarium heater will cost you in terms of your monthly electric bill, it’s hard to say without knowing the specifics of your situation. The size of your aquarium, the type of heater you have, and the temperature you keep your aquarium at will all play a role in determining the cost. However, as a general rule of thumb, you can expect your aquarium heater to add about $10 to your monthly electric bill.

Which Aquarium Heater is Best?

There are many factors to consider when choosing an aquarium heater. The most important considerations include the size of your aquarium, your fish type, and your budget.

You may not need a very powerful heater if you have a small aquarium. A smaller aquarium heater will be less expensive and take up less space. However, ensuring that the heater you choose can maintain the proper temperature for your fish is important.

If you have a large aquarium, you will need a more powerful heater. A larger aquarium heater will be more expensive, but it can maintain the proper temperature for your fish.

The type of fish you have will also affect the type of heater you need. You will need a heater to maintain a warm temperature if you have tropical fish. You will need a heater to maintain a cool temperature if you have cold water fish.

Finally, you need to consider your budget when choosing an aquarium heater. Heaters range in price from very affordable to very expensive. It would be best to decide how much you will spend on an aquarium heater before you start shopping.

Considering these factors, you can narrow your choices and find the best aquarium heater for your needs.

Where Should I Put The Heater in My Aquarium?

There are a few things to consider when placing your aquarium heater. First, you’ll want to ensure the heater is not close to any air vents or other draft sources. Second, you’ll want to place the heater near the center of the aquarium so that the heat can be evenly distributed throughout the tank. Lastly, it’s crucial to have a thermometer in the aquarium to monitor the water temperature and ensure the heater is working correctly. Following these simple tips ensures that your fish will stay happy and healthy in their new home.

How Can I Keep My Aquarium Warm Without a Heater?

There are a few different ways that you can keep your aquarium warm without using a heater. One way is to place your aquarium in a sunny spot in your home. Another way is to use a heat lamp to warm your fish. You can also purchase an aquarium blanket or cover to help insulate the tank and retain heat.

What Size Heater Do I Need For a 30 Gallon Aquarium?

This is a common question that people have when they are setting up their aquarium. The answer can vary depending on several factors, but there are some general guidelines you can follow.

First, you must determine the minimum temperature your fish can tolerate. This information can be found on the back of the fish food bag or in a fish care book. Once you know this, you can select a heater to maintain the water at this temperature.

Next, you need to consider the wattage of the heater. A good rule of thumb is to use a heater with a wattage twice the size of your aquarium. So, for a 30-gallon aquarium, you would need a 60-watt heater.

Finally, you need to consider the type of heater you want to use. There are two main types of heaters: submersible and non-submersible. Submersible heaters are submerged in the water and are more efficient at heating the water. Non-submersible heaters are placed outside of the aquarium and can be less efficient.

Now that you know the basics of choosing a heater for your aquarium, you can select the one that is right for your needs.