20 Best Aquarium Heater For 100 Gallon Tank [2024]

Are you looking for the best aquarium heater for 100 gallon tank? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling aquarium heater for 100 gallon tank.

We Recommended:

# Preview Product
1 Aqueon Submersible Aquarium Heater, 300 Watts, Up to 100 Gallons Aqueon Submersible Aquarium Heater, 300 Watts, Up to 100 Gallons
2 Fluval E300 Advanced Electronic Heater, 300-Watt Heater for Aquariums up to 100 Gal., A774 Fluval E300 Advanced Electronic Heater, 300-Watt Heater for Aquariums up to 100 Gal., A774
3 GMsound Aquarium Heater Submersible Fish Tank Water Heater Thermostat (300W for 55-100Gal) GMsound Aquarium Heater Submersible Fish Tank Water Heater Thermostat (300W for 55-100Gal)
4 Soyon Aquarium Heater 500W, Fish Tank Heater with Adjustable Temperature 80 Gallon-100 Gallon... Soyon Aquarium Heater 500W, Fish Tank Heater with Adjustable Temperature 80 Gallon-100 Gallon...
5 hygger Variable Frequency Aquarium Heater, 500W Quartz Fish Tank Heater with LED Digital Display... hygger Variable Frequency Aquarium Heater, 500W Quartz Fish Tank Heater with LED Digital Display...
6 Aqueon Pro 300 Submersible Aquarium Fish Tank Heater, 300 Watts, For Up To 100 Gallon Fish Tanks Aqueon Pro 300 Submersible Aquarium Fish Tank Heater, 300 Watts, For Up To 100 Gallon Fish Tanks
7 Mylivell Aquarium Heater Submersible Auto Thermostat Heater,Fish Tank Water Heater and Adjustable... Mylivell Aquarium Heater Submersible Auto Thermostat Heater,Fish Tank Water Heater and Adjustable...
8 DaToo Aquarium Heater Fish Tank Heater Submersible 300 Watt, 1 Yr Warranty DaToo Aquarium Heater Fish Tank Heater Submersible 300 Watt, 1 Yr Warranty
9 MQ Submersible Aquarium Heater Auto Thermostat, 200W Fish Tank Heater with LCD Digital Aquarium... MQ Submersible Aquarium Heater Auto Thermostat, 200W Fish Tank Heater with LCD Digital Aquarium...
10 HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature... HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with...
11 MIDWEST TROPICAL 28 Gallon AquaTable Aquarium Octagon MIDWEST TROPICAL 28 Gallon AquaTable Aquarium Octagon
12 Orlushy Submersible Aquarium Heater,500W Fish Tahk Heater with Adjust Knob Thermostat 2 Suction Cups... Orlushy Submersible Aquarium Heater,500W Fish Tahk Heater with Adjust Knob Thermostat 2 Suction...
13 Fluval Sea Flex Saltwater Aquarium Kit - 123 L (32.5 US gal) - Black Fluval Sea Flex Saltwater Aquarium Kit - 123 L (32.5 US gal) - Black
14 hygger 300W Aquarium Heater with External Digital Temperature Controller Reef Saltwater Fish Tank... hygger 300W Aquarium Heater with External Digital Temperature Controller Reef Saltwater Fish Tank...
15 MantaMaze 800W/1000W Submersible Aquarium Heater, 2022 Upgraded Titanium Steel Fish Tank Heater for... MantaMaze 800W/1000W Submersible Aquarium Heater, 2022 Upgraded Titanium Steel Fish Tank Heater...
16 hygger 60-120 Gallon Aquarium Heater with Digital Temp Controller Shatterproof Titanium Tube 500W... hygger 60-120 Gallon Aquarium Heater with Digital Temp Controller Shatterproof Titanium Tube 500W...
17 HITOP 800W Titanium Aquarium Heater - with External Controller Submersible Heater for Large Fish... HITOP 800W Titanium Aquarium Heater - with External Controller Submersible Heater for Large Fish...
18 AQQA Submersible Aquarium Heater,100W/200W/300W/500W/800W Fish Tank Heater,External Temperature... AQQA Submersible Aquarium Heater,100W/200W/300W/500W/800W Fish Tank Heater,External Temperature...
19 Long Octagon Aqua Coffee Table Aquarium Long Octagon Aqua Coffee Table Aquarium
20 HITOP PTC Adjustable Aquarium Heater, Sturdy Fish Tank Heater with Protective Cover,... HITOP PTC Adjustable Aquarium Heater, Sturdy Fish Tank Heater with Protective Cover,...
SaleBestseller No. 1
Aqueon Submersible Aquarium Heater, 300 Watts, Up to 100 Gallons
  • Fully submersible, auto shut-off when overheats, resets when cools down
  • Electronic thermostat stops heating once set temperature is reached
  • Precise temperature setting adjustable to 1° F (68-88° F)
  • Shatter-resistant
  • LED light turns on when aquarium water is being heated, automatic safety shut off and overheat protection
Bestseller No. 2
Fluval E300 Advanced Electronic Heater, 300-Watt Heater for Aquariums up to 100 Gal., A774
  • Aquarium heater with dual temperature sensors provide accurate and real-time water temperatures
  • LCD temperature display available in both Fahrenheit and Celsius; with a range of 68 to 93 degrees Fahrenheit
  • Fast heat technology built with a safety shut-off and integrated fish guard to protect fish and invertebrates
  • Equipped with a slim profile mounting bracket and colored display alert system
Bestseller No. 3
GMsound Aquarium Heater Submersible Fish Tank Water Heater Thermostat (300W for 55-100Gal)
  • Fully Submersible. Power: 300W. Suggested water volume: 55-100 gal.
  • Adjustable Temperature: The temperature of the fish tank heater can be adjusted automatically. Temperature setting range: 65° F - 93°...
  • High Quality: Aquarium heater made of high quality quartz glass, double seal material , advanced design, ensures safe operation.Fully suiting for...
  • Set desired aquarium temperature & on/off indicator light confirms operation. *On/off indicator light allows simple, visual confirmation of heater...
  • Convenient and Safe: Our aquarium heater thermostat has two suction cups for attachment to the fish tank. The polarized plug prevents electrical...
Bestseller No. 4
Soyon Aquarium Heater 500W, Fish Tank Heater with Adjustable Temperature 80 Gallon-100 Gallon...
  • ★SPECIFICATION: 500W, 110-120V, 17.7 inch long, suitable for large fish tank up to 100 Gallons water.
  • ★WIDELY TEMPERATURE RANGE ADJUSTMENT: Adjust and maintains at temperature range from 68°F to 94°F. The recommended temperature range for most...
  • ★ACCURATELY TEMPERATURE CONTROL: It works in intermittent operation mode and will automatically power on/off to achieve the setting temperature...
  • ★HIGH SAFETY: More than 2mm Thick Quartz Glass providing explosion-proof, shatterproof, IP68 waterproof, and scald-preventing with plastic cover to...
  • ★14 MONTHS WARRANTY GUARANTEE: Our aquarium heaters supply 14 months long warranty to you, guarantee to service you any time as soon as you contact...
Bestseller No. 5
hygger Variable Frequency Aquarium Heater, 500W Quartz Fish Tank Heater with LED Digital Display...
  • 🐠【Rapid Heating & Safer】The double heating rods are made of explosion-proof quartz glass, which is anti-corrosion, non-leakage, and...
  • 🐠【Auto Power Off & Abnormal Alarm】This fully submersible aquarium heater has Intelligent dual temperature probe and memory function. It will...
  • 🐠【Variable Frequency Energy Saving】Intelligent variable frequency design to reduce power consumption. High-power rapid heating, low-power to...
  • 🐠【Precise Temperature Control】Temperature can be precisely adjusted from 54℉ to 90℉, press the "SET" button one time can change 1℉ or...
  • 🐠【Wide Compatibility】This 500W aquarium heater is suitable for 50-100 gallon freshwater and saltwater tank. Please note unplug the heater and...
Bestseller No. 6
Aqueon Pro 300 Submersible Aquarium Fish Tank Heater, 300 Watts, For Up To 100 Gallon Fish Tanks
  • Adjustable heat setting 68 to 88°F, Electronic Thermostat accurate to +/- 1°
  • Shatterproof and nearly indestructible
  • Fully submersible; Auto Shut-Off when over-heats, resets when it cools down
  • LED light is red when actively heating
  • For fresh and saltwater aquariums
Bestseller No. 7
Mylivell Aquarium Heater Submersible Auto Thermostat Heater,Fish Tank Water Heater and Adjustable...
  • High Quality: Aquarium heater made of high quality quartz glass, double seal material , advanced design, ensures safe operation.
  • Adjustable Temperature: The temperature of the fish tank heater can be adjusted automatically. Temperature setting range: 20°~34°C(65° F - 93° F),...
  • Fully Submersible. Power: 300W. Suggested water volume: 100gal.
  • Both suiting for fresh or saltwater aquariums, provide a constant warm environment for your tropical fish to stay healthy.
  • Convenient and Safe: Our aquarium heater thermostat has two suction cups for attachment to the fish tank. The polarized plug prevents electrical...
Bestseller No. 8
DaToo Aquarium Heater Fish Tank Heater Submersible 300 Watt, 1 Yr Warranty
  • DaToo Aquarium Heater - How to make our beloved fish live in a comfortable environment? This is a matter of concern. No suitable temperature, our fish...
  • Adjustable Temperature - Only need turn the knob on the top of the DaToo aquarium heater, You can easily get the temperature you want(68 to 93°F)...
  • 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...
  • BPA Free And Energy Saving - Every plastic component of the DaToo Aquarium Heater is made with durable, high-quality, BPA-free plastic. The process of...
  • Attention - This is 300W DaToo Aquarium Heater, 11.1inch, fit 80 to 100 gallons tank with hoods or glass canopies and keep the water flowing( This is...
Bestseller No. 9
MQ Submersible Aquarium Heater Auto Thermostat, 200W Fish Tank Heater with LCD Digital Aquarium...
  • 【For Fish Tank 15-40 gallon】200W aquarium heater, voltage AC 110-120V, power cord is 5.0ft, please choose the right wattage aquarium heater...
  • TEMP ADJUSTABLE: Temperature can be adjusted between 68-94℉. You can set the temp to one of these values on the dial: 68, 71, 75, 78, 82, 86, 90, 94...
  • SAFETY PROTECTION: Effectively maintain the tank water in the constant temp you set, stop heating when the water temp is 1.5-2℉ above the set temp...
  • BLAST-PROOF: Made of shock resistant quartz glass, covered with double sealed case, explosion-proof and no electricity leakage, preventing your pets...
  • BUY ONE GET ONE IN FREE: This fish tank heater come with an extra thermometer to show the accurate tank temperature to avoid overheat or freeze. It...
SaleBestseller No. 10
HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature...
  • 🐠【Rapid Heating and Two Temperature Control System】300W aquarium heater is sutable for 40-75 gallon fish tank and made of the most stable...
  • 🐠【Intelligent Water Sensor and Over Temperature Protection】This fish tank heater has a unique intelligent temperature and water sensor system,...
  • 🐠【Explosion-proof Quartz Glass Aquarium Heater】The submersible aquarium heater is made of explosion-proof quartz glass material and a...
  • 🐠【Accurate External Digital Display Controller】The external IC temp controller of this aquarium water heater can show the water temp with 2 red...
  • 🐠【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...
SaleBestseller No. 11
MIDWEST TROPICAL 28 Gallon AquaTable Aquarium Octagon
  • Unique aquarium
  • Illuminated from below a bed of blue glass gravel
  • Complete with lighting, extension cord, decorative plants, and filter pump
  • Solid tempered glass top
SaleBestseller No. 12
Orlushy Submersible Aquarium Heater,500W Fish Tahk Heater with Adjust Knob Thermostat 2 Suction Cups...
  • ★Adjustable Aquarium Fish Tank Water Heater  Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the...
  • ★500W aquarium heater is suitable for 40 to 75 gallons aquariums,voltage 110-120V, power cord is 6ft, please choose the right wattage aquarium...
  • ★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.
SaleBestseller No. 13
Fluval Sea Flex Saltwater Aquarium Kit - 123 L (32.5 US gal) - Black
  • Full spectrum Marine 3.0 LED operates via the FluvalSmart App on your mobile device
  • 25000 K color temperature lighting is ideal for growing vibrant corals
  • 3 pre-set lighting conditions: sunny reef; deep sea glo; color boost
  • 24-hour programmable light timer mimics the natural cycle of the sun and moon
  • Optional space to add a second Marine 3.0 LED (Item# 14513 - sold separately)
SaleBestseller No. 14
hygger 300W Aquarium Heater with External Digital Temperature Controller Reef Saltwater Fish Tank...
  • ♦️[Over Heat Protection]♦️ This fully submersible aquarium heater enables memory function and over heat protection. Auto shut off when...
  • ♦️[Made with Premium Quartz] ♦️ and double sealed by black protective guard this fish tank heater is resistant to explosion and corrosion, and...
  • ♦️[Build-in External IC Temp Controller] ♦️easy to read blue LED digital number shows real time water temperature. Heat indicator lights on...
  • ♦️[Easy to Set Temperature ] ♦️without getting hands wet. Temperature can be precisely adjusted from 61 to 90°F (16°C ~ 32°C). Just press...
  • ♦️[300 watt aquarium heater]♦️ voltage 110-120V, suitable for tank capactiy 30-60 gallon freshwater and saltwater aquariums
Bestseller No. 15
MantaMaze 800W/1000W Submersible Aquarium Heater, 2022 Upgraded Titanium Steel Fish Tank Heater for...
  • 🐟【𝐔𝐥𝐭𝐫𝐚 𝐏𝐨𝐰𝐞𝐫】MantaMaze 1000W Aquarium Heater is desinged for 30-265 gallen tank. Fast heating up aquarium...
  • 🐟【𝐇𝐢𝐠𝐡 𝐐𝐮𝐚𝐥𝐢𝐭𝐲】Quality titanium steel heating element, double covered by sturdy plastic guard, service life...
  • 🐟【𝐒𝐚𝐟𝐞𝐭𝐲 𝐆𝐮𝐚𝐫𝐚𝐧𝐭𝐞𝐞】With anti-dry burning and over heating protection, when the water temperature...
  • 🐟【𝐏𝐫𝐞𝐜𝐢𝐬𝐞 𝐂𝐨𝐧𝐭𝐫𝐨𝐥】MantaMaz aquarium water heater with external IC temp controller, you only need to...
  • 🐟【𝐄𝐚𝐬𝐲 𝐭𝐨 𝐔𝐬𝐞】This 800W aquarium heater is suitable for places where aquatic life, such as fish tanks, aquariums,...
Bestseller No. 16
hygger 60-120 Gallon Aquarium Heater with Digital Temp Controller Shatterproof Titanium Tube 500W...
  • { RUNNING DRY & OVER-HEAT PROTECTION } This fully submersible fish tank heater maintains proper temperature for your fish in a safety way, auto shut...
  • {EASY TO READ LCD DISPLAY} Build-in external temp controller, easy to read LED digital number shows real time water temperature and set temperature....
  • {SHATTERPROOF HEATING ELEMENT} shatterproof titanium tube construct heats fast, nealy unbreakable for freshwater aquariums only. ABS plastic...
  • {EASY TO USE} Easy to set temperature without getting hands wet. Just keep pushing the button. It will cycle through all the set temperatures....
  • {FOR 60-120 GAL} 500 watt aquarium heater, voltage 110-120 Volts, heater rod 7.9 inches long, suitable for tank capacity 60-120 gallon freshwater...
Bestseller No. 17
HITOP 800W Titanium Aquarium Heater - with External Controller Submersible Heater for Large Fish...
  • [Digital dual temperature display] This HITOP 800W aquarium heater adopts a digital temperature control system, so it can display the set temperature...
  • [Titanium alloy heating element and shatterproof] The heating element is made of titanium alloy, which is strong and corrosion-resistant compared with...
  • [External controller] No need to take out the heater from the fish tank to set or adjust the temperature, you can operate it through the external...
  • [Accurate temperature control] With dual probe design, this submersible tank heater can detect the water temperature in time and accurately, and...
  • [Overheating protection device] Built-in additional overheating protection device, when the temperature in the fish tank exceeds 34℃/93℉ the...
SaleBestseller No. 18
AQQA Submersible Aquarium Heater,100W/200W/300W/500W/800W Fish Tank Heater,External Temperature...
  • 🔥【Explosion-proof Quartz Glass Aquarium Heater Durable and Safer】The heater made of explosion-proof quartz glass material and a...
  • 🔥【Temperatures Ranges 59℉ to 93℉,Automatic Heating】The heating rod built-in thermometer,When the water temperature is lower than the set...
  • 🔥【LED External Controller with Indicator Light】The controller is not waterproof, please keep away from water,LED digital display screen shows...
  • 🔥【Memory Function,Dry Burning-resistant Protection】Controller with memory function,If power is shut off,the heater will keep the temperature...
  • 🔥【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...
Bestseller No. 19
Long Octagon Aqua Coffee Table Aquarium
  • FREE Ground Shipping in the 48 Contiguous US States on all orders!
  • Dimensions: Base: Length: 30" x Width: 30" x Height: 16" - Glass Top: Length: 38" x Width: 38"
  • Innovative, liquid luxury... truly art in motion.
  • Ever-changing aquatic habitat readily creates a relaxing atmosphere.
  • Illuminated from below a bed of blue glass gravel
SaleBestseller No. 20
HITOP PTC Adjustable Aquarium Heater, Sturdy Fish Tank Heater with Protective Cover,...
  • 🐟 [Shatterproof 300w aquarium heater] The hard protective cover and shatterproof materials make this aquarium heater sturdy, can be used for large...
  • 🐟 [Adopting PTC ceramic heating element] PTC means 'Positive Temperature Coefficient ', indicates that this heater uses a positive temperature...
  • 🐟 [Adjustable and easy to use] The Adjustable rang of this fish tank heater is 63-90°F. After setting the temp you want, the heater will...
  • 🐟 [Accurate temperature control] This fish heater built-in sensitive temperature detection device which can sense the water temp change in time, so...
  • 🐟 [Removable protective cover] This aquarium heater has a detachable protective cover, which can not only protect aquarium pets, but also can be...

Having trouble finding a great aquarium heater for 100 gallon tank?

This problem is well understood by us because we have gone through the entire aquarium heater for 100 gallon tank research process ourselves, which is why we have put together a comprehensive list of the best aquarium heater for 100 gallon tanks available in the market today.

After hours of searching and using all the models on the market, we have found the best aquarium heater for 100 gallon tank for 2023. See our ranking below!

How Do You Buy The Best Aquarium Heater For 100 Gallon Tank?

Do you get stressed out thinking about shopping for a great aquarium heater for 100 gallon tank? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching aquarium heater for 100 gallon tank, which is why we have assembled a comprehensive list of the greatest aquarium heater for 100 gallon tank available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for aquarium heater for 100 gallon tank that you consider buying. Your questions might include the following:

  • Is it worth buying an aquarium heater for 100 gallon tank?
  • What benefits are there with buying an aquarium heater for 100 gallon tank?
  • What factors deserve consideration when shopping for an effective aquarium heater for 100 gallon tank?
  • Why is it crucial to invest in any aquarium heater for 100 gallon tank, much less the best one?
  • Which aquarium heater for 100 gallon tank are good in the current market?
  • Where can you find information like this about aquarium heater for 100 gallon tank?

We’re convinced that you likely have far more questions than just these regarding aquarium heater for 100 gallon tank, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for aquarium heater for 100 gallon tank, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible aquarium heater for 100 gallon tank. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an aquarium heater for 100 gallon tank buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available aquarium heater for 100 gallon tank currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of aquarium heater for 100 gallon tank has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an aquarium heater for 100 gallon tank?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your aquarium heater for 100 gallon tank.
  5. Customer Ratings: Number ratings grade aquarium heater for 100 gallon tank objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their aquarium heater for 100 gallon tank.
  7. Product Quality: You don’t always get what you pay for with an aquarium heater for 100 gallon tank, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an aquarium heater for 100 gallon tank is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining aquarium heater for 100 gallon tank information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding aquarium heater for 100 gallon tank is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

Related Post:

FAQ:

Q: What is the best aquarium heater?

A: YOFOTHS Aquarium Heater 25W/50W/100W. 25Watts Small Fish Tank Heater】 This Aquarium Heater is suitable for 1-5 gallons tanks,Mini size can well fit your mini tanks. Aqueon Submersible Aquatic Flat Heater Mini Up to 2.5 Gallons FREESEA 25 Watt Aquarium Betta Fish Tank Heater with Aquarium Submersible Thermometer. …

Q: How to choose the right aquarium heater?

A: In larger tanks,or in situations where the room temperature is significantly below the desired water temperature,two heaters may be required. … It is best to use multiple units with hang-on and submersible heaters. … The heater tube length is important because heat rises. … Check for heat sources and fluctuations in room temperature around the aquarium. …

Q: How many Watts should my aquarium heater be?

A: For a 20 to 30-gallon aquarium,use 50 to 100 watts heater. … A 100 watts to 200 watts heaters are ideal for aquariums that are 50+gallons,with tanks that are between 50 and 65 gallons and housed in normal to warm … 300 watts heater are appropriate for aquariums above 100 gallons,with the rang anywhere from 100 to 125 gallons.

Q: How much money does a 100 gallon aquarium cost?

A: However, a saltwater aquarium is worth it! The setup cost for a 60-80 L reef tank ranges from $700 – $800 while yearly maintenance will cost around $500 – $600. For a medium-sized reef tank (100 – 300L), setup cost ranges between $1700 – $2000 and yearly maintenance cost will account for around $700 – $800.