The Best Aquarium Heater

Best image of aquarium heaters
Photo: Tetra 26446 HT Submersible Aquarium Heater With Electronic Thermostat, 100-Watt, Multicolor, 10-30 Gallon
UPDATED DECEMBER 18, 2025

To help you find the perfect aquarium heater, we continuously put forth the effort to update and expand our list of recommendable aquarium heaters. Our team collects, edits and publishes new information, in order to present it to you in an accurate, significant and neatly arranged way.

Our Picks

Orlushy Submersible Heater image
150W aquarium heater is suitable for 20 to 30 gallons aquariums,Length - 9.5"...
Tetra 26446 HT Submersible Heater image
AQUARIUM HEATER: Submersible heater is designed to keep your aquarium at the ...
HITOP 25W 50W 100W 200W 300W Adjustable Heater image
🐟 Thickened Glass: 2mm thickened quartz glass, 33% thicker than 1...
Our Choice
Orlushy Submersible Heater image
150W aquarium heater is suitable for 20 to 30 gallons aquariums,Length - 9.5"...
Tetra 26446 HT Submersible Heater image
AQUARIUM HEATER: Submersible heater is designed to keep your aquarium at the ...
Low Price
HITOP 25W 50W 100W 200W 300W Adjustable Heater image
🐟 Thickened Glass: 2mm thickened quartz glass, 33% thicker than 1...

8 More Aquarium Heater Alternatives

Powerful & Reliable Heating: The Fluval M 100 Watt Submersible Heater ensures consisten...

Mirror Technology: Designed with a unique reflective finish, the aquarium heater seamle...

Compact & Sleek Design: The Fluval M Series heater boasts a slim profile, making it eas...

【Betta Heater】: This Fish Tank Heater should be 100% submerged into water, Ideal for sm...

【Quick and Easy Installation】: Vertical or horizontal placement using, Aquarium heater ...

【How it Works】: Plug in, red light turns on, the heater will start working until water ...

★10 Watt Aquarium Heater: Temperature range is 59-93°F, for small glass or acrylic aqua...

★Made with Premium Quartz: The aquarium heater is made of 2mm thickened quartz glass. T...

★Dry Run / Overheating Protection: When the water temperature exceeds 95°F or when the ...

【Aquarium Heater 300W】-- The 300 watt aquarium heater produces stable power with quick ...

【Safe and Durable Fish Tank Heater】-- The components of this 300W fish tank heater are ...

【Comprehensive Protection Submersible Aquarium Heater】-- Our submersible aquarium heate...

The 50W aquarium heater is recommended for 5 to 15 gallon fish tank; heater length: 6.7...

Adjustable Temp: An easy-to-access dial on the top makes it a breeze to adjust the wate...

Steady Temp: The red light automatically shuts off when the target temp is reached and ...

Buying Guide

Top Rated Aquarium Heaters

If you're looking into finding the best rated aquarium heater, you should probable check out the HITOP 25W 50W 100W 200W 300W Adjustable Heater. We looked at various sources of reviews and found this one to have the best mix between review count and average rating stars.

HITOP 25W 50W 100W 200W 300W Adjustable Heater

The Lowest Price We Could Find

Often, going for the best price is a simple but good option. With a price of $8.67 (last checked this morning), we do not list any other aquarium heaters cheaper than the AQUANEAT Heater. Just remember that it's not always the best option to go for the cheapest one.

AQUANEAT Heater

The Aquarium Heater With the Most Reviews

With at least 2707 reviews and counting, the Tetra 26446 HT Submersible Heater might be another option to consider. This large amount of reviews signalizes that many people are using it, with most of them beeing satisfied.

Tetra 26446 HT Submersible Heater

High Quality Aquarium Heaters

It's quite rare that the saying "You get what you pay for" turns out incorrect. If you have the money on the sideline, feel free to choose the most expensive item from our list: The Hygger Heater currently sells for $51.99.

Hygger Heater

The Aquarium Heater With the Most Clicks

If you trust us and our users, feel free to check out the Orlushy Submersible Heater. Our statistics say that it is the most favorite Aquarium Heater from the list above.

Orlushy Submersible Heater

Our Bestseller

If you're still undecided, I would recommend that you go with the masses and choose the top selling aquarium heater: The Orlushy Submersible Heater is the hottest bestseller in this category right now.

Aquarium Heater Reviews

There are no reviews on aquarium heaters, yet.
Be the first to write a review, or check for additional reviews in the Further Reading section below.

Further Reading on Aquarium Heaters

New: Our editorial list of additional articles. We decided to gather informartion all around the internet and present you a list of helpful, external links to interesting reads about reviews, pros & cons and similar products.
Top Rated Aquarium Heaters in 2019 [Reviewed with Pr...
The best fish tank heaters, compiled by the experts. Buyer's Guide, recommendations, detailed Reviews and what actually the heater is offering. ...
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Aquarium Heating: Submersible vs. Hang-on Heaters - ...
The Pros and Cons of Hang-On Tank Heaters. You can probably guess from the name what a hang-on tank heater looks like – it's simply a  ...
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Hidden From View – In-line Aquarium Heaters Ar...
Pros of in-line aquarium heaters. 1. Hidden from view. Let's face it  ...
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Source: fishlab.com
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Freshwater Aquarium heating alternative - Tropical F...
Hi All, I'm new to the forum and relatively new to this hobby/obsession I have setup a 55g community tank that seems to be going very well now  ...
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41 ways to make fishkeeping cheaper! — Practic...
Fit insulation to the rear and side panels of the tank to keep the heat in with and your heater won't have to work quite so hard to heat the tank. ...
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Aquarium Heaters | Fish Tank Heater | Aqueon Aquariu...
Aqueon offers an assortment of heaters that provide the warmth essential to tropical fish’s survival and overall wellbeing. Heaters are built with different wattages, so it is imperative choose a heater that best fits the aquarium... ...
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Research

Do you want to know more about aquarium heaters? Check out the links below to gain knowledge about the whole topic of aquarium heater products.

Useful Videos

We test your aquarium heaters and determine what's, Good?, Better?, BEST?...

Looking for heaters for your tank? We have some here! brs.li Today on BRStv, we have a brand new episode for our series, BRStv ...

Disclaimer: This video was not made by us, but we found it interesting enough to embed it here.

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