Best Aquarium Heater Reviews & Buying Guide (2022)

In searching for the aquarium heater, there are so many models considered, and in compiling our rankings, we looked at specs and features and looked at style, build, and materials quality. As well as the ever-important but subjective aspect of aesthetics. To help you find the aquarium heater, we spent hours researching many different models, from budget-friendly to luxury options.

Our research focused mainly on advanced features and reliability, although we also considered users review. We also focused on overall value as compared to these features. We’re bringing together the aquarium heater we’ve reviewed to give you one absolute list so that your next could be your last. To capture most of the consumer market, the top of the aquarium heater we’ve included reflects various uses.

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

Hitop 50W/100W/300W Adjustable Aquarium Heater, Submersible Glass Water Heater for 5 – 70 Gallon...

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

Orlushy Submersible Aquarium Heater,150W Adjustable Fish Tahk Heater with 2 Suction Cups Free...

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

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

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

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

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

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

6 FREESEA 50W Mini Aquarium Heater Fish Tank Submersible Heater with LED Temperature Display

FREESEA 50W Mini Aquarium Heater Fish Tank Submersible Heater with LED Temperature Display

7 Marineland Precision Heater for Saltwater or Freshwater Aquariums

Marineland Precision Heater for Saltwater or Freshwater Aquariums

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

HITOP 25W 50W 100W 200W 300W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat...

9 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

HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature...

10 PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉)

PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks...

Best aquarium heater: Our 10 Picks

Bestseller No. 1

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

  • Application: 50W water heater is suitable for 5 – 15 gallon tank, also suitable for both saltwater and freshwater.
  • Accurate Temperature: Temperatures from 68°F to 93°F (20°C - 34°C), come with a thermometer sticker, convenient to detect the water temperature without another pay.
  • Explosion Proof: 2mm thickened explosion proof glass, 33% thicker than the normal, safer for both human and animals.
  • Long Service Life: Adopt 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: Except for thermometer, also equipped with 3 suction cups, one for replacement, and offer 12 months warranty, leave you no worries after you buy it.
SaleBestseller No. 2

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

  • ★Precise temperature dial from 68 to 89°F allows for complete control of aquatic climate within a 1-degree difference
  • ★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.
  • ★Adjustable Aquarium Fish Tank Water Heater Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the temperature is reached.
  • ★Explosion Proof: 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank.
  • ★It shows an area to adjust the temperature. It's not exactly accurate but it turns easy and can be adjusted at small intervals
Bestseller No. 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 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.
  • Ideal for aquariums between 2 to 10 gallons with hoods or glass canopies
  • Please read all label information upon delivery. DO NOT plug heater into an electrical outlet until it is placed inside the aquarium.
  • 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.
Bestseller No. 4

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

  • 🐠【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.
  • 🐠【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.
SaleBestseller No. 5

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

  • Shock resistant Borosilicate glass and high density ceramic heat sick
  • 50-watt heater suitable for freshwater and saltwater aquariums up to 15 gallons with a 3-year warranty
  • Easy to install with slim profile tube for easy placement
  • Computer-calibrated thermostat and easy-to-adjust temperature control dial
  • Aquarium heater that blends into the aquarium environment with built-in reflective technology that mirrors the surrounding colors
SaleBestseller No. 6

FREESEA 50W Mini Aquarium Heater Fish Tank Submersible Heater with LED Temperature Display

  • ★ Automatic constant temperature 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.
  • ★ Touch button, cyclic adjust temperature , easy to use and Safety.
  • ★【Note】:this heater is 100% submersible use only, during its heating time, heater must be 100% submerged into the water.
  • ★【SATISFACTION GUARANTEED】Gain the confidence to go hard with us! Our Aquarium Heater is built with durability in mind and safety for every design, In the remote possibility that you’re not satisfied with our product, just contact us, and we will gladly give you a new Aquarium Heater replacement. 12 Month Warranty and 24 Hour Professional After-sales Service.
  • ★ Temperature range: 59°F~94°F, display Fahrenheit °F, this heater is designed for1~10 gallons tank. Upgrade function: The heater will auto shut off when it is out of water and turn normal when fully in water again.
SaleBestseller No. 7

Marineland Precision Heater for Saltwater or Freshwater Aquariums

  • Easy to view sliding scale tells the exact temperature setting. Top dial view shows the setting from an additional location.
  • 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.
  • Advanced mounting bracket securely attaches to glass and provides 3 window positions to view the temperature display
  • The advanced heating element contains a mica core surrounded by a mesh heating element for superior heat transfer with enhanced durability
SaleBestseller No. 8

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

  • 🐟 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 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.
  • 🐟 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.
  • 🐟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.
SaleBestseller No. 9

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

  • 🐠【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.
  • 🐠【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.
  • 🐠【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.
  • 🐠【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.
  • 🐠【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.
SaleBestseller No. 10

PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉)

  • ★【How it Works】: Plug in, red light turns on, the heater will start working until water temperature up to 78°F, and red light off, then the green light will turn on, heater stop working and keeping constant temperature 78°F. Accuracy:±3°F
  • ★【Note】: Do not operate or leave product plugged in when your water tank is out of water, heater should be fully submerged into water. It is better to install a water pump to help water circulating while heating.
  • ★【Betta Heater】This Fish Tank Heater should be 100% submerged into water, Ideal for small glass or acrylic desktop aquariums up 1 to 6 Gallons, not suitable for less than 1 gallon tank.
  • ★【SATISFACTION GUARANTEED】Our Aquarium Heater is built with durability in mind and safety for every design. In the remote possibility that you’re not satisfied with our product, just contact us, and we will gladly give you a new Aquarium Heater replacement. 12 Month Warranty and 24 Hour Professional After-sales Service.
  • ★【Quick and Easy Installation】:Vertical or horizontal placement using, Aquarium heater automatic temperature control 78℉, no need to adjust temperature, easy to operate, fishes happy.

Best aquarium heater: Things to Know Before Buying

Every person has a different opinion on what the aquarium heater is, but there are some facts that everyone can agree on. For example, knowing how much you will need to spend on your purchase is essential. You might want to research certain things before deciding which product is right for you.

We have listed some important considerations below so you can make an informed decision without all the information needed before purchasing one. The best way to find out if a product will work well with your needs is by reading reviews from other customers who have purchased it because they may have had similar issues and found solutions through trial and error.

Some tips to follow:

 

  • Compare the prices of each of the products
  • It’s important to find the genuine product
  • Choose the best product at a price that suits your pocket
  • Find the product that will last longer than others
  • Find that product has a warranty that covers any defects or malfunctions

Find the best one

The products are more expensive, and the quality is better. However, this is not true as some companies charge more for their brand or product design. This aspect needs to be considered. Also, if you find a product that can do both high quality and cheap, go for it immediately! It will save your energy and effort in finding another spot.

Do thoroughly research each website where you have found the aquarium heater. Check their information meaningfully and pay attention to any hidden details that could influence your final decision on this particular item. Our recommended aquarium heater is made with durable materials, so your purchase will last and save you money in the long run. We are confident you will have a product to suit all your needs with our extensive quality product line.

Compare between products

Once you've found a few of the aquarium heater that might suit your needs, it's time to compare them and pick the best one. Use Excel here because it's straightforward once you get used to it.

Here are some things to consider: If there are two or more similar products of the same quality, we will choose the cheapest; If there is a product with high quality and affordable price, we will get it right away; If we can't find any such product, we should focus only on quality and ignore other aspects like price.

Avoid comparisons that are only meant to lure you into a quicksand-like trap. Lacking content, these often include phrases like “buy now for gifts and deals!” They want to keep you on their site to sell the product at higher prices.

Find the best price

Find the aquarium heater compatible with you by price and quality. Some items cost less than others, but the quality is excellent. It all depends on your financial goals and budget. This product simplifies your search with a breakdown into categories. Find the style, colour, brand, or material that suits your home and gives you a perfect look. Convert any space from void to transparency.

 

Along with the price factor, most consumers buy products from official dealers, giving them peace of mind with the best warranties and products. The primary benefits of a product are recognized. Care, technical advice, to other intangible benefits. Many still think that investing in necessary items such as glasses, bags, shoes, or expensive brands is a risk that no one wants to try. But why not try? The essentials are tied to your ego, following you daily, making them proliferate.

Find high-quality products

It's a severe investment in better-branded items and cheap merchandise. Grandparents say that “you get what you pay for,” if you are a strong eater, the aquarium heater is a wisely chosen brand with high quality, robust materials, and shortcut lines. Economical, luxurious. The best authentic product will usually be associated with you for many years. On many occasions, in front of friends and colleagues, I have dropped an investment to benefit.

Just investing in a brand map makes sense. It breaks when you fill your closet with cheap but usable fakes. Most women today have a massive habit that they should not spend too much money on the aquarium heater, just need to accumulate many times, as long as it meets the temporary tastes without regard to the cost. The cost or benefit of the item.

It's not necessarily not spending money on branded items, but the point is to buy brand innovations by investing in 1 or 2 oversized genuine items. To do this, you must keep up-to-date with the benefits. The benefits branded goods bring here is why investing in a luxury item will be intelligent and reasonable.

Find a durable one that will last longer than others

The aquarium heater will last longer than other products. Because the materials are of better quality, they are built to withstand more wear and tear or are better cared for over time.

A significant factor in the lifespan of an item is how often you use it. If you have a small children's toy that gets played with every day, it won't last as long as an item that sits on your shelf most days of the week.

Lastly, if you buy something second-hand and don't know its history (how well was it taken care of), then there is always a chance that someone else has already broken down many parts, which would shorten the life expectancy even further. The aquarium heater will last longer than a standard product with a reasonable price.

Warranty

The aquarium heater doesn't need just high-quality materials or excellent customer service; it also needs to come with a warranty covering any defects or malfunctions.

That means peace of mind for both parties – not something you can get from every company. So before making your next purchase, look for this feature on the packaging because it will be worth it later on down the line! In today's day and age, the aquarium heater is not always the cheapest. Many of us find that buying a superior quality product with a warranty is usually worth it in the long run.

The worst thing that can happen when you buy a cheap product without a contract is if there's an issue within your first few uses and you have to go out and buy another one. Buying something with a warranty will save you money in the long run by eliminating any chance of having to replace your purchase on account of defective or malfunctioning parts.

 

Leave a Comment