Top 10 BestHeater For 15 Gallon Tank – Editor Recommended

What is the heater for 15 gallon tank on the market today? With so many options, it’s normal for consumers to become overwhelmed when trying to find an appropriate brand for shopping. There are way too many choices on the market, including knock-off brands that are cheaply built. 

Our review team is a group of avid product hunters, and they want to share their experiences with you.

To help you find the heater for 15 gallon tank brand we analyzed & researched all the features that are right for you and came up with a list of 10 different options to purchase.

We also took time to assess a wide variety of options including durability, materials, designs, expert reviews & customer ratings to find the best-performing heater for 15 gallon tank

The resulting review has in-depth details on specific performance areas, as well as recommendations for your goals and budget. 

Read on and know which is right for you.

Comparison Table: 10 Best heater for 15 gallon tank 
# Preview Product Score
1 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

9.7
2 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...

9.4
3 hygger 50W Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Betta Fish Tank Thermostat for 5-15 Gallon

hygger 50W Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible...

9.6
4 GMsound Aquarium Heater Submersible Fish Tank Water Heater Thermostat (100W for 15-45Gal)

GMsound Aquarium Heater Submersible Fish Tank Water Heater Thermostat (100W for 15-45Gal)

9.5
5 BKTC Submersible Aquarium Heater 50W Fish Tank Heater 50 Watt Adjustable Temperature for 5 to 15 Gallon Tank

BKTC Submersible Aquarium Heater 50W Fish Tank Heater 50 Watt Adjustable Temperature for 5 to 15...

9.8
6 hygger 200W Aquarium Heater with LED Digital Temperature Controller, Submersible Fish Tank Heater for 15-30 Gallon Tank

hygger 200W Aquarium Heater with LED Digital Temperature Controller, Submersible Fish Tank Heater...

9.7
7 Fluval P50 Submersible Aquarium Heater for Up to 15 Gallons, 50 Watts

Fluval P50 Submersible Aquarium Heater for Up to 15 Gallons, 50 Watts

9.5
8 Orlushy Submersible Aquarium Heater,100W Adjustable Fish Tahk Heater with 2 Suction Cups Free Thermometer Suitable for Marine Saltwater and Freshwater

Orlushy Submersible Aquarium Heater,100W Adjustable Fish Tahk Heater with 2 Suction Cups Free...

9.7
9 boxtech Aquarium Heater 50W, Submersible Fish Tank Thermostat Proof Explosion and Auto Digital Control, with Heat-Resistant Quartz Made for 5-15 Gallon

boxtech Aquarium Heater 50W, Submersible Fish Tank Thermostat Proof Explosion and Auto Digital...

9.7
10 Petbank 150W Aquarium Heater, with Temperature Remote Control and LED Temperature Display, Submersible Aquarium Heater with Thermometer Strip & Use Time Display Suitable for 15-25 Gallon Fish Tank

Petbank 150W Aquarium Heater, with Temperature Remote Control and LED Temperature Display,...

9.4

10 Best heater for 15 gallon tank Reviews:

SaleRanking. 1

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

  • 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
SaleRanking. 2

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.
SaleRanking. 3

hygger 50W Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Betta Fish Tank Thermostat for 5-15 Gallon

  • 🐠 【For Fish Tank 5-15 gallon】50W aquarium heater, voltage AC110-120V 60HZ, power cord is 4.6ft. Heater rod length is 5 inch, mini compact heater for small fish tank use. Perfect for betta tank. A very compact heater, easy to hide in the tank
  • 🐠【Automatic Stop & Restart】Effectively maintain the tank water in the constant temp you set, stop heating when water temp reaches to the set temp and restart heating when the water temp is 1-2℉ below the set temp.The indicator light on the controller will be on red when it's heating, will be off when it stop heating
  • 🐠【With Built-in Thermometer】you can set the the temp from 68℉ to 90℉,temp exactness is within 2 degrees in fahrenheit. There is a built-in thermometer in the heater to detect the water temp, not need to buy seperate thermometer
  • 🐠【Durable Quartz Glass】this aquarium heater tube is heat-resistant quartz glass made, excellent in explosion-proof, can be used in fresh water and salt water aquariums, white alundum sand as the heat-conducting media, service life can be 3 years or more
  • 🐠【Fully Submersible】this fish tank heater is waterproof, must be fully submerged in water when working, place it horizontally or vertically near the water intake or where the way of water flow
Ranking. 4

GMsound Aquarium Heater Submersible Fish Tank Water Heater Thermostat (100W for 15-45Gal)

  • Fully Submersible. Power: 100W. Suggested water volume: 15-45 gal.
  • Adjustable Temperature: The temperature of the fish tank heater can be adjusted automatically. Temperature setting range: 65° F - 93° F(20°C~34°C), 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.Fully suiting for fresh or saltwater aquariums, provide a constant warm environment for your tropical fish to stay healthy.
  • Set desired aquarium temperature & on/off indicator light confirms operation. *On/off indicator light allows simple, visual confirmation of heater operation.
  • Convenient and Safe: Our aquarium heater thermostat has two suction cups for attachment to the fish tank. The polarized plug prevents electrical shock.
Ranking. 5

BKTC Submersible Aquarium Heater 50W Fish Tank Heater 50 Watt Adjustable Temperature for 5 to 15 Gallon Tank

  • ✔ Create an ideal living environment: For Betta or other tropical fish, a cold water temperature is unbearable. They need a suitable temperature to stay active and healthy. As a complete temperature control system, BKTC heaters provide the right water temperature for your beloved fish. Let the fish live freely and happily in the comfortable environment you create.
  • ✔Perfect temperature adjustment & control system: Only warm temperatures are not enough for Betta's health, it also requires a stable water temperature. BKTC heater has a perfect thermostat system with a temperature sensing module. It can be turned on and off automatically to ensure constant temperature. Simply turn the knob on the top of the BKTC heater and you will get the optimum temperature you need. Very Easy!!
  • ✔Durable & Waterproof: Germany imported microcrystalline glass (glass ceramics), making BKTC Aquarium Heater shatterproof, wear-resistant, corrosion-resistant, easy to adapt to fresh water tanks or salt water tanks. Intensive Nichrome heating wire ensures BKTC's perfect heat transfer and longer service life. The top of the BKTC heater is sealed for greater water resistance.
  • ✔Maximum Thermal Safety For Fish: For the safety of your lovely fish, BKTC offers two thermal protection to ensure 100% fish-safe. One, with thermal protection circuit, it can prevent overheating of BKTC Aquarium Heater. Two, a BPA-Free plastic case is included(Other brands don't have this) to prevent fish from coming into direct contact with the aquarium heater.
  • ✔FULLY SUBMERSIBLE: Perfect fit 2 to 10 gallons tank. Note: To prevent dry burning and malfunction, please ensure that the BKTC aquarium heater is completely submerged in the water. (Especially the turtle tank). You can put it at the bottom of the tank or vertically or tilted in the tank, but make sure the heater is FULLY SUBMERSIBLE. For good heating effect, prepare hoods or glass canopies for your tank and keep the water flowing
Ranking. 6

hygger 200W Aquarium Heater with LED Digital Temperature Controller, Submersible Fish Tank Heater for 15-30 Gallon Tank

  • This fully submersible aquarium heater enables memory function and over heat protection. Auto stop heating when over-heats, resets when it cools down.
  • Made with premium quartz and double sealed by black protective guard, this fish tank heater is resistant to explosion and corrosion, and protect fish and other livestocks from punching and scalding
  • Build-in external IC temp controller, easy to read blue LED digital number shows real time water temperature. Heat indicator lights on red when fish heater start to heat and turns in yellow once it reach set temperature. Temp accuracy is +/- 1°F.
  • Easy to set temperature without getting hands wet. Temperature can be precisely adjusted from 61 to 90°F (16°C ~ 32°C). Just press set button to desired temperature, it blinks 3 seconds and begins to work
  • 200 watt aquarium heater, voltage 110-120V, suitable for tank capactiy 15-30 gallon freshwater and saltwater aquariums
SaleRanking. 7

Fluval P50 Submersible Aquarium Heater for Up to 15 Gallons, 50 Watts

  • Strong shatterproof polymer construction protect tank and inhabitants from damage
  • Preset temperate requires no adjustment
  • Waterproof, fully submersible design allows easy positioning inside aquarium
  • LED running lamp illuminates to indicate when product is in use
  • For use in freshwater and saltwater aquariums
SaleRanking. 8

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
Ranking. 9

boxtech Aquarium Heater 50W, Submersible Fish Tank Thermostat Proof Explosion and Auto Digital Control, with Heat-Resistant Quartz Made for 5-15 Gallon

  • 𝑭𝒊𝒔𝒉 𝑻𝒂𝒏𝒌 𝑻𝒉𝒆𝒓𝒎𝒐𝒔𝒕𝒂𝒕: 50W aquarium heaters suit for 3-15 Gallon fish tank. Please choose the right wattage aquarium heater according to our size chart.
  • 𝑺𝒎𝒂𝒓𝒕 𝑻𝒆𝒎𝒑𝒆𝒓𝒂𝒕𝒖𝒓𝒆 𝑪𝒐𝒏𝒕𝒓𝒐𝒍: Design with External Temperature Controller, Temperature Range is 68 ºF-90 ºF, when water temperature achieve the setting temperature, heater will automatically stop heating, when water temperature is lower than the setting temperature, heater will automatically start heating
  • 𝑬𝒙𝒑𝒍𝒐𝒔𝒊𝒐𝒏 𝑷𝒓𝒐𝒐𝒇: Made of heat-resistant milky quartz Glass and UL-Approved Power Cord, Controller IPX4, Heater IPX8 that make it pretty shatter-proof and Explosion-proof and prevents electricity leakage, service life can be 3 years or more
  • 𝑪𝒐𝒓𝒓𝒆𝒄𝒕 𝒊𝒏𝒔𝒕𝒂𝒍𝒍𝒂𝒕𝒊𝒐𝒏n: Stick the heater vertical onto the tank side near the water intake or on the way of water flow.(This way the heater can quickly sense the water temperature and make adjustments automatically), Keep the aquarium heater fully submerged in water
  • 𝑵𝒐𝒕𝒊𝒄𝒆 𝑷𝒍𝒆𝒂𝒔𝒆: Before you clean the aquarium or change water, pls must cut off the heater power, after 10 minute cooling then take out the heater and regularly clean the scale on the heater
SaleRanking. 10

Petbank 150W Aquarium Heater, with Temperature Remote Control and LED Temperature Display, Submersible Aquarium Heater with Thermometer Strip & Use Time Display Suitable for 15-25 Gallon Fish Tank

  • 【Intelligent Temperature Control】The intelligent IC chip adjusts the temperature, the temperature accuracy is within ±2°F (±1°C), and it is automatically heated to the set temperature. It is suitable for ultra-low water level heating. It is specially designed for tortoise tanks and fish tanks.
  • 【LED Digital Display & Temperature Remote Control】Cycle temperature adjustment 64-91℉; LED digital display and matching thermometer can observe the water temperature in real time; the temperature remote control allows you to avoid wet hands when adjusting the temperature.
  • 【Safety & Explosion-Proof】The aquarium heater automatically cuts off power when leaving the water. It uses an explosion-proof quartz tube and is equipped with a plastic anti-collision sheath to prevent your aquatic organisms from being injured by touching the heating rod.
  • 【Show Usage Time】Real-time monitoring of the life of the heating rod, which is convenient for you to replace the heating rod in time to ensure the continuous water temperature. The heating rod can be used continuously for up to 10,000 hours.
  • 【Note】It is forbidden to expose the main part of the aquarium heater to the surface of the water during use, and 100% diving use must be guaranteed, otherwise the LED display will display an "Er" abnormal code.. Please unplug the power when cleaning the fish tank or changing the water in the aquarium.
Review

Last update on Sunday, October 2, 2022 - 4:17:09 / Affiliate links / Images from Amazon Product Advertising API

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