5 Best Aquarium Chillers

There’s no denying the fact that the water temperature of your aquarium is one of the most important things you need to be thinking about when it comes to running a tank. All your plant life, fish, snails, and other species you may be keeping all rely on the fact that the temperature is optimal.

After all, this affects all cold-blooded creatures like this the same, and failure to consider it will have fatal results. While many fish tanks will think about getting heaters for their tanks, especially tropical tanks, investing in a chiller can also be a great idea to really ensure the temperature stays within a comfortable range.

Quite simply, a chiller is used to bring the temperature of the water down once it starts to exceed a certain temperature. This is an ideal piece of equipment if you run a hot home or workspace, or the tank is in direct/partial sunlight.

Today, we’re going to explore the five best aquarium chillers available on today’s market, detailing everything you need to know in order to make the purchasing decision that’s right for you.

Coralife Energy Saver ACL36060 Chiller 1 10HP

Coralife Energy Saver ACL36060 Chiller 1/10HP

The Coralife ACL36060 Chiller is a fantastic, all-around chiller for aquarium fish tanks of all sizes. This chiller capable of fully managing the temperature of all aquarium tanks up to an impressive 55-gallons, and is capable of maintaining a temperature between -/+ 2°F.

However, if you need something a bit bigger for a tank over 55-gallons, there are other sizes available. What we love about this chiller is the easy process that the product boasts when it comes to programming your required water temperature.

In fact, this is as simple as inputting your data into one step, all of which is clearly visible through the LED screen. This particular model is also made from a durable titanium case and heat exchanger. This is a vital production step since it stops the product from rusting and effortless transfers heat.

This is the reason why this model is known as an energy saver. Each aspect of the chiller has been designed to be the best it can be and works quickly while using the minimal amount of energy it needs. Of course, all aspects of the chiller, such as the air filter, are all replaceable so you can keep using the device for years to come.

This is a really nice filter chiller that’s ideal for beginners and advanced tank keepers alike. With a simple one-step setup process, near-silent operation and a highly durable design, what else do you need from an affordable chiller?

  • Runs really quietly (near-silent)
  • The air filter can be cleaned or replaced when necessary
  • Titanium heat transferrer for durable build and energy saving properties
  • Can maintain the temperature within +/- 2°F
  • The warranty only lasts a year

IceProbe Thermoelectric Aquarium Chiller

IceProbe Thermoelectric Aquarium Chiller

The IceProbe Aquarium Chiller is perhaps the most well-known chillers appliances in the aquarium world, all thanks to its highly efficient design, optimized results, and the affordable price tag. Thanks to all these positive points, this chiller is suitable for fish tank keepers of any experience level.

Due to the smaller size of this chiller compared with other chillers, this device is best suited for smaller tanks, typically up to the size of 10-gallons or above. Of course, if you had a larger tank, you could use two of these chillers, but you will lose a bit of efficiency throughout.

What we love about this chiller is the fact that it’s quiet while it’s running, and there are numerous reports that all aspects and components of the device are designed using high-quality products. This includes all the nuts and bolts that are designed to hold everything together and minimizes the risk of leaking.

Finally, this device comes with a one-year warranty to help protect and cover you from faults that may occur, and each purchase comes with all the cables and wires you’re going to need to have the chiller set up and running in no time at all.

While the operation of this device is not automatic, there are plenty of available controller options that exist to help you set this up if required. All in all, for an affordable and effective chiller, the IceProbe is all you’re going to need.

  • Each part of the chiller is designed using high-quality parts
  • Suitable for tanks around the 10-gallon mark
  • Easy to set up and use
  • An incredibly affordable solution
  • Not suitable for larger aquarium tanks
  • Only comes with a one-year warranty

Hydrofarm Active Aqua Chiller 110HP

Hydrofarm Active Aqua Chiller 1/10HP

You may be thinking; “hold on, isn’t this the kind of chiller you would be using if you were setting up and running a hydroponics setup?” With that, you would be right. However, thanks to the basic and simple design, yet powerful and effective features, the Hydrofarm Aqua Chiller is a great addition to any aquarium tank.

Firstly, you’ll love the fact that this chiller runs using a Freon-free system. This means the device uses environmentally-friendly R-134a refrigerant chemicals in order to cool your water; which is far better for you and the planet than regular chillers of this capacity.

In terms of power, there are very few chillers close to this one. In a 40-gallon tank, this chiller is capable of lower the temperature by 15°F over 20 hours and can do 30-gallon tanks by 30°F at the same time. It goes without saying that this is a chiller that will be able to keep up with the changing of degrees in your tank.

Operation of this chiller is easy thanks to the touch-key LED controls that also displays all the settings and data points, so you’ll know exactly where you are and what you’re doing. There’s minimal room for error, and ultimately, no risks need to be taken.

With a rust-resistant titanium heater that will last for years to come, a built-in computer control system and electrical surge protection, it’s safe to say this aquarium chiller has everything you need and more!

  • Capable of chilling aquariums up to 50-gallons
  • Eco-friendly refrigeration gases
  • Clear, easy to use LED display
  • Powerful titanium cooler system for the best results
  • A pricey solution
  • Won’t fit into smaller tanks

Teco TANK TK-500 1 6HP Aquarium Chiller

Teco TANK TK-500 1/6HP Aquarium Chiller

If you’re an experienced aquarium keeper, sell fish and other aquatic species in commercial tanks, or you simply want one of the best chillers out there for your underwater haven, it doesn’t get much better than the Teco Tank Aquarium Chiller.

Most importantly, the Teco Tank Chiller is capable of chilling any size fish tank all the way up to 130-gallons. This is a huge amount of water, and suitable for any size in between, regardless of whether that’s a domestic or commercial tank.

What’s more, this chiller just a chiller, it also comes with an integrated heater which is monitored and accompanied by the top exhaust port and a magnetically-fixed filter screen. You can control the temperature in both °C and °F, as well as benefitting from the outstanding 1/6 horsepower motor and 450-watts of power.

With so many customizable options, features, and settings, it’s easy to see why this is one of the most popular and most highly rated aquarium chillers out there. Furthermore, with a two-year warranty included, what more do you need?

  • High-quality production in Italy
  • Capable of chilling 130-gallons of water
  • Features 1/6 horsepower motor
  • Easy to use control system
  • The expensive price tag
  • Too big for smaller tanks

EcoPlus Chiller (1 10 Horsepower)

EcoPlus Chiller (1/10 Horsepower)

Finally, we have a quick mention of the EcoPlus Chiller. Available in three different strengths, the EcoPlus Chiller is a 120-volt powerhouse that’s capable of chilling and maintaining the temperature of aquarium tanks up to 132-gallons in water capacity.

This little chiller is so easy to use, and thanks to its construction from anti-corrosive materials and a solid titanium heat exchanger, you know this is a chiller that’s built to last.

The EcoPlus is controlled using the integrated LED display console, and there’s even a memory feature that will remember your last settings. This is so you won’t have to keep setting the machine up over and over again; especially important if you’re using the same function.

All the connections, pipes and wires you’ll need to install this device is included with your purchase, ensuring you won’t have to buy anything else.

The only downside to this chiller is the fact that it’s a lot louder than the other devices on this list, but then again, have it up for more than a day, and you’ll be used to it as though it’s always been there!

  • Contains a solid titanium heat exchanger
  • Simple to use LED display and controls
  • Capable of chilling tanks with a water capacity of 132-gallons
  • Everything for set up is included
  • A lot louder than other chillers on this list
  • A high, mid-range price tag


While a chiller may not be the most common purchase when it comes to keeping an aquarium, it sure is an essential one, and if you find yourself needing one, you should feel safe in the knowledge that there’s one out there for you.

Any of the five chillers we’ve listed above make ideal choices when it comes to eco-friendly chillers, so now all you need to do is pick the one that suits what you and your tank are looking for!