How to Choose Best Aquarium Water Heater (2018) - Buyer's Guide

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Best Aquarium Water Heater
We are happy to offer you the TOP list of the best aquarium water heater that can be found on the current market. Every model from the TOP list of the best aquarium water heater is available at marketplace.

How did we make this list of the best aquarium water heater? It was a hard task to do. We had to look through hundreds of aquarium water heater and compare them with each other. Our team considered such factors as the price, average user score, specifications, and many more. We tried to cover all important details, but if you think that we have missed something — contact us and share your suggestions.

These Are The 10 Best Aquarium Water Heater of 2018

Name and Features Image Rating Details
1. Tetra Ht Submersible Aquarium Heater
The ht10 uses a built in electronic theromstat to automatically maintain water at 78 f which is ideal for most tropical fish.
Tetra Ht Submersible Aquarium Heater
5.0
Read reviews
2. Zoohi Submersible Aquarium Heater (Most User-Friendly)
Please take the heater into water before turning on, do not power on until the heater is completely submerged in the water.
Zoohi Submersible Aquarium Heater
4.5
Read reviews
3. Mylivell Aquarium Heater
The temperature of the fish tank heater can be adjusted automatically.
Mylivell Aquarium Heater
4.5
Read reviews
4. Aquarium Heater (Best Classic Design)
It works in intermittent operation mode and will automatically turn on/off to achieve the setting temperature constantly and stably.
Aquarium Heater
4.0
Read reviews
5. Uniclife Ht-2200 Submersible Aquarium Heater (Most Unique Design)
1.5 mm extra thick quartz glass is shatterproof and prevents electricity leakage.
Uniclife Ht-2200 Submersible Aquarium Heater
4.0
Read reviews
6. Betta Heater
Provides accurate & stable thermal control — water temperature stability is one of the keys in keeping bettas happy & healthy.
Betta Heater
3.8
Read reviews
7. Hygger Submersible Aquarium Heater
Made of high quality quartz glass, waterproof double seal material, black protective sleeve, shatter-resistant construction, ensures safe operation and keep your fishes from scalding and punching.
Hygger Submersible Aquarium Heater
3.3
Read reviews
8. Lineba Anti-explosion Submersible Quart Glass Aquarium Heater
Temperature scale — compact underwater fish tank heater can adjust temperature between 68 f~94 f (20 c~34 c).
Lineba Anti-explosion Submersible Quart Glass Aquarium Heater
3.3
Read reviews
9. Marineland Precision Heater (DIY Crafters’ Choice)
Thermal switch automatically turns off as temperature rises above an internal preset and turns back on once it cools down.
Marineland Precision Heater
2.8
Read reviews
10. Mazort Submersible Aquarium Heater
Simply submerge the heating element under the water and use external temperature controller adjust your temperature setting between 68 and 94 degrees fahrenheit.
Mazort Submersible Aquarium Heater
2.8
Read reviews

 

 
№ 1. Tetra Ht Submersible Aquarium Heater with Electronic Thermostat

Ideal for aquariums between 2 to 10 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. 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 d cor. 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.

 

 
The good
The ht heater is fully submersbile
The ht10 uses a built in electronic theromstat
All tetra ht heaters have indicator lights
The bad
It does not have any disadvantages.
 

 

 
№ 2. Zoohi Submersible Aquarium Heater 100w 300w Fish Tank Water Thermostat, Adjustable Temperature for Up to 80 Gallon Fish Betta Tanks, 10~80 Gallon.

Fish tank heater attention: please take the heater into water before turning on, do not power on until the heater is completely submerged in the water. Note: please make sure heater is de-energized and cool before take out of water. It is recommended to cool in the water for 15 minutes. Aquarium heater specification: 300 watts.110 l/h flow water, volt 110~120v, freq: 50/60hz for us/ca. Tank heater capacity: 300 watts used tank up to 80 gallons, the size need more than 17 inch. Temperature adjustable of between 65f – 93f. Aquarium technology: mechanical heat technology built with a safety shut-off, integrated fish guard to protect fish and invertebrates.

 

 
The good
Tank heater capacity
Fish tank heater attention
Aquarium technology
Aquarium heater specification
The bad
May be uncomfortable for tall people.
Not suitable for long work.
 

 

 
№ 3. Mylivell Aquarium Heater Submersible Fish Tank Water Heater Thermostat

Adjustable temperature: the temperature of the fish tank heater can be adjusted automatically. Temperature setting range: 20 ~34 c(65 f – 93 f), and the display is easy to read. High quality: aquarium heater made of high quality quartz glass, double seal material, advanced design, ensures safe operation. Both suiting for fresh or saltwater aquariums, provide a constant warm environment for your tropical fish to stay healthy. The polarized plug prevents electrical shock.

 

 
The good
High quality
Both suiting
Adjustable temperature
Fully submersible
The bad
It works well, but the price matches the quality — it is very high.
 

How many years should last the warranty period for a aquarium water heater?

We recommend you to purchase aquarium water heater from manufacturers with customer-friendly warranty policy. Reliable brands offer aquarium water heater that come with at least the two-year long warranty period. Buy their products to forget about any possible problems.

 

 
№ 4. Aquarium Heater with Extra Thermometer, Submersible Fish Tank Water Heater with Adjustable Temperature 300w

Temperature control: it works in intermittent operation mode and will automatically turn on/off to achieve the setting temperature constantly and stably. Setting the temperature by the pink button on the top with range is 68 f – 94 f. Safety & high quality: the extra thick quartz glass is shatter-proof and blast-proof, it prevents electricity leakage. And protective container is made of double sealed material, it is scald-preventing for your pets and safe operation for you. No electric shock: it is designed to work under water only, please not turn it on when it’s outside water, as dry burning might lead to malfunction. Please don’t put it in the water if the wire or glass tube damaged.

Buy one get one free: buy this 300w aquarium heater, get an extra thermometer in free, which to show the accurate tank temperature to avoid overheat or freeze.

 

 
The good
Safety & high quality
Temperature control
Buy one get one free
No electric shock
Tank capacity
The bad
Lacks many useful features.
 

What to check before buying a new aquarium water heater?

We recommend you to visit marketplace. It offers dozens of convenient features that will help you to choose a aquarium water heater. Moreover, you will find thousands of reviews from other people who have actually bought aquarium water heater on this website. Always read them before making a decision!

 

 
№ 5. Uniclife Ht-2200 Submersible Aquarium Heater 200w with Thermometer and Suction Cup, 50 Gallon

Simple practical thermometer -designed to be simple to read and easy to attach (just peel and stick), the paper thin 5.2 by 0.7. Using color indication, the water temperature that the thermometer reads will change from white to a blue color. The measurement range is 64 f – 93 f. Fully submersible: water-tight sealing ip68 waterproof design, strong suction cup clamps tightly fix the heater to the tank vertically. Measures 11.5″ x 1.2″ (l x d). Explosion proof: 1.5 mm extra thick quartz glass is shatterproof and prevents electricity leakage. Due to made of glass, it may be damaged during shipment carelessly. Comes with 1 year replacement for explosion proof warranty. Easy adjustment: maintains at temperatures that range from 61 f to 90 f (16 c – 32 c). A good range for most fish is 76 to 80 f (25- 27 c). A few species need to be kept several degrees warmer, and some species require temperatures a few degrees cooler.

Ht-2200 heater is suitable for 26 to 52 gallons aquariums or aquariums up to 35 inch in length, suitable for most tropical freshwater and marine aquariums. An aquarium heater is very important for your fish tank set up if you have tropical fish.

 

 
The good
Ht-2200 heater is suitable
Fully submersible
Explosion proof
Simple practical thermometer -designed
Easy adjustment
The bad
Is not affordable for an average person.
 

 

 
№ 6. Betta Heater for Small (1.5 Gal.) Tanks, Fully Submersible Aquarium Heater, Automatically Reaches Preset Temperature, Energy-efficient Heating Module, Suction Cups for Easy Installation

Helps achieve ideal water temperature for bettas — bettas, being tropical fish should be provided an optimal environment for their well-being. Fish relies so much on their environment s water temperature as they do not produce their own body heat. Water heater for aquarium by sungrow can provide essential heat and provides a comfortable living environment to your beloved fish. Durable, super shatterproof — made from high-quality silica material, this state-of-the-art siamese fish tank heater is more durable than conventional glass heaters. Its shell is built with wear-resistant microcrystalline glass (glass-ceramics). This protective sleeve is shatterproof and corrosion-resistant. The heating part of this thermostat is made from nickel-chromium alloy makes it possible to perform superior heat transfer and enhancing its service life.

Waterproof, safe & reliable — with waterproof insulation design, it is also 100% fish-safe, it measures 8.4 x 1 inches which is fit enough to attach to your tank without disturbing or harming fish and other aquatic life present. Its integrated thermal protection circuitry allows prevention of possible overheating. However, in order to avoid dry burning & malfunctions, do not turn it on when it s outside water as this is designed to be submerged in water. Provides accurate & stable thermal control — water temperature stability is one of the keys in keeping bettas happy & healthy. This innovative tank heater has built-in electronic thermostat providing an optimum temperature range of 75-81 f which is very ideal for this tropical fish. It can automatically turn on and off to ensure temperature stability. It has an indication light to determine whether the heater is on or off. Fully submersible, easy to install, perfect for 2-15 gallon aquarium — this 50-watt electronic heater are fully submersible and can be placed either vertically or diagonally in the water. Comes with 2 solid suction cups using which you can easily attach the heating rod to your tank. It supports between 2 and 15 gallon aquariums.

 

 
The good
Fully submersible
Provides accurate & stable thermal control –
The bad
Offers too many unnecessary features.
 

 

 
№ 7. Hygger Submersible Aquarium Heater Fish Tank Water Heater Thermostat

Apply to salt water and fresh water, easy to install and use. Provide a constant warm environment for your tropical fish to stay healthy. 100% safe: made of high quality quartz glass, waterproof double seal material, black protective sleeve, shatter-resistant construction, ensures safe operation and keep your fishes from scalding and punching. Tank capacity: 5 ~ 15 gallon; voltage/frequency: 110 120volt/60hertz. Electronic thermostat for precise temperature range between 61 f and 90 f (16 c ~ 32 c). Fully submersible heaters includes two suction cups for mounting in any position horizontally or vertically.

 

 
The good
Tank capacity
Electronic thermostat
Fully submersible heaters includes two suction cups
The bad
The instruction manual has many mistakes.
 

 

 
№ 8. Lineba Anti-explosion Submersible Quart Glass Aquarium Heater Adjustable Fish Tank Heater with Auto Built-in Thermostat Protective Sleeve and Suction Cup

Explosion-proof shatterproof shield-proof design — thanks to its high quality quartz glass material and its protective sleeve, lineba aquarium heater is shatter resistant & more durable than conventional glass tank heaters. Provides accurate thermal control — set and adjust the desired temperature with the use of the temperature controller on the top of the aquarium heater. This allows accurate thermal control via the easy set thermostat for precise. Fully submersible aquarium heater — 500w 110v strong quartz glass aquarium fish tank heater, suitable for aquariums range from 53 to 93 gallons (200-350 liters). Includes 150cm cable for easy use.

Safety protection — lineba aquarium heater can automatically control the temperature. It will automatically turn off as the temperature rises above the internal setting you choose, and turns back on like a clockwork once it sufficiently cools down, to avoid plastic protective melting, please do not plug up the tank heater until it s immersed in water completely. Temperature scale — compact underwater fish tank heater can adjust temperature between 68 f~94 f (20 c~34 c). Maintain constant and stable temperatures for your aquatic creatures.

 

 
The good
Provides accurate thermal control –
Safety protection –
Temperature scale –
Fully submersible aquarium heater –
The bad
You will not be able to use it on the daily basis.
 

 

 
№ 9. Marineland Precision Heater for Saltwater Or Freshwater Aquariums

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.

 

 
The good
Advanced mounting bracket securely attaches
This 150 watt heater is
The bad
It is difficult to carry around.
 

 

 
№ 10. Mazort Submersible Aquarium Heater, 300-watt Titanium Fish Tank Heater for Fresh and Saltwater Use with Adjustable Temperature Shatter Resistant Ul Listed Automatic Safety Shut Off Overheat Protection

Adjustable temperature setting – simply submerge the heating element under the water and use external temperature controller adjust your temperature setting between 68 and 94 degrees fahrenheit. Safe and reliable – completely submersible. Auto shut off if the temperature exceeds 90 f, out of water/run dry. Titanium heating element – this 300 watt titanium heater incorporates the best technology and electrical components to date. Heating element is manufactured of titanium that will not crack like conventional glass heaters, perfect for use in fresh and saltwater. Easy to read led temperature built in with led read out fahrenheit display that makes reading the temperature easy or display an error code if there are any problem with the temperature and sensor.

 

 
The good
For use in aquariums up
Easy to read led temperature built in
Adjustable temperature setting
Titanium heating element
The bad
Requires regular maintenance.
 

Is buying aquarium water heater online risky?

Over the last decade, online shopping become absolutely safe. If needed, all the aquarium water heater bought at the marketplace can be refunded or replaced. Considering that, you should not be afraid about being deceived.

What do I have to do to receive a refund for a aquarium water heater?

Marketplace offers have a customer-friendly return policy. It allows buyers to return most of the products, including aquarium water heater. If there are any problems with your aquarium water heater, contact the customer support team of the marketplace and describe your situation. Nevertheless, we recommend you carefully read the description of a aquarium water heater before buying it.

What am I supposed to do if I receive the wrong item instead of the aquarium water heater I ordered?

You should not worry about it because marketplace has a customer support team that will help you to make a refund or replace the wrong item with the aquarium water heater you ordered. In case you get a wrong product, contact the support and describe your problem. You will not have to wait for a long time — support team works very fast.

What is the optimal warranty period for aquarium water heater?

Usually, the two-year long warranty period is more than enough for a good aquarium water heater. Even the best aquarium water heater lose their quality with time. We think that replacing them with a new product is much better than paying extra money for the lifetime warranty.

Meet the Author
My name is Frances Bailey and I am a Comfort Keeper. I graduated from Sonoma State University - Rohnert Park, California

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