10 Best Aquarium Chiller of December 2025

• Large refrigeration capacity (recommended volume: 10‒40 gal / 50‒150 L)
• Anti-corrosive pure titanium evaporator for both fresh and salt water
• Rate of flow: 1/10 HP (132‒396 GPH 500‒1500 L/H)
• Rated BTU per hour: 1, 020
• Operate at 10 PSI maximum

Active AQUA

• 🐟【Note】1. The water chiller is only suitable for ornamental aquariums. 2. The lower water temperature required, the less water contained. 3. The package contains a 6.5-foot tube, which needs to be cut into 2 pieces according to actual needs during installation.
• 🐟【Application Scope】Home, Aquarium, freshwater tank, fish tank, waterweeds, crystal shrimp, coral and jellyfish.
• 🐟【Adjustable Constant Water Chiller Warmer】Temperature setting range: 50-104 fahrenheit degree (°F), real-time monitoring of water temperature, automatic constant temperature.
• 🐟【English Instruction Easy to Use】The directions are in English and are easy to follow, which describe installation, settings and troubleshooting for common problems. The set up is very easy. Water chiller equipped with a LCD display for showing real-time temperature and 4 buttons to control water temperature.
• 🐟【Mute Power Saving】Running sound: 35-45 db. Built-in high-efficiency energy-saving compressor, support automatic constant temperature function.

SEAAN

• DaToo Aquarium Chiller - As we all know, too high or too low temperature is not healthy for fish. Comfortable temperature is what fish want most. What can we do for our beloved fish when the hot summer comes? Don't worry, DaToo Aquarium Chiller can help you easily. Strong wind, quiet and energy saving, let your fish enjoy a cool summer!
• Powerful Temperature Cooling System - DaToo Aquarium Cooling Fan can continuously provide strong and uniform wind, effectively accelerate the heat dissipation, and easily provide 4°F to 6°F of temperature cooling for your fish tank. Two-level wind speed adjustment, you can choose the appropriate wind speed according to your needs. Very convenient!
• Strong And Durable - Engineering grade ABS fan, greatly improving the strength of the fan, can withstand the fan running for a long time without worrying about damage. Aluminum alloy fan clip, long life and more durable, no installation, can easily fixed to the edge of the aquarium, very firm!
• Quiet & Energy Saving & Safe - DaToo perfectly improves the performance of the fan motor, effectively reducing the noise during fan operation, which makes the DaToo Aquarium Fan 10 db to 12 db quieter than other similar products, giving you a quiet and cool summer. 12V human body safety voltage, low energy consumption, not only can save electricity but also can protect the safety of fish and you!!
• Wind Direction Adjustable & ONE YEAR WARRANTY - You can change the wind direction by adjusting the angle between the fan and the fan clip, meet the cooling needs of different fish tanks. The adjustment Angle range is 90°~190°. One Year Warranty and 100% Money-back Guarantee. Buy DaToo products with confidence. JUST DO IT, Let’t Go!!

DaToo

• One of the most quietest chillers out in the market; highly efficient condenser-uses less energy; Titanium coils are the most efficient for heat exchanging; corrosion resistant; contemporary and small foot print design.
• Quick installation; in line series
• The ost advanced aquarium Chiller
• Country Of Origin: China

JBJ

• Large refrigeration capacity (recommended volume: 40 gal to 92 gal )
• Anti-corrosive pure titanium evaporator for both fresh and salt water
• Rate of flow: 1/4 HP (396‒925 gal/h -1500‒3500 L/h)
• Rated BTU per hour: 3, 010

Active AQUA

• 【Advantages and Function】Semiconductor refrigeration, environmental protection without pollution. Mute, low-power design. Digital display and advanced microcomputer intelligent temperature control technology are adopted. Celsius temperature and Fahrenheit temperature switching function. Suitable for small-scale refrigeration heating, aquaculture, aquarium.
• 【Danger】When installing a cold water machine or hand in the water, please be sure to unplug the power plug first;When the thunder comes, please unplug the power wipe head; To prohibit the use of wet hand plug, pull the power plug, otherwise it will cause electric shock or injury;Please use a dedicated power outlet, do not share the same socket with other high-power electrical appliances at the same time, avoid causing the current too large to cause fire.
• 【Warning】Please use AC220V or 110V power supply, please do not use other power supply (according to the different regions of the use of the power supply voltage is not the same, can not be universal, please note);This product is prohibited to be placed in a stable, high temperature, direct sunlight, smoke, ventilation, moisture in a large location;Prohibition block the vents. Do not store foreign objects near the vents;To prohibit the insertion of metal debris, wire, needle and other
• 【Cleaning and maintenance】Before cleaning and maintenance, please make sure that the power plug has been pulled out; Please use a clean and absorbent soft cloth to wipe the cover, the body and other parts to keep the appearance clean. (Note: please do not use a wet cloth to wipe the operation panel, plug and power cord.); Do not use corrosive liquid medicine and hard objects to clean the product. (detergent powder, gasoline, banana water, hard brush, etc.)
• 【Attention】When in use, the product is forbidden to be inverted or horizontal;Pull off the plug, you must hold the plug handle, can not pull the power cord, or easy to damage the power cord;When handling, please unplug the power cord plug, Do not put in the high temperature environment (room temperature 36℃ above, fish tank bottom tank, sealed place, etc.), may cause the slow cooling or failure.

Estink

• 【Specifications】Power: 100W;Cooling Water Capacity: ≤ 35L;Inner Size of Hose: 8mm;Circulating Water Pump Flow: 1-3L/Min;Suitable Range: Max.pump lift ＜3M
• 【Easy to Use】The display and 4 buttons equipped on this chillers makes it easy for operating.
• 【Low Noise】Aquarium coolers works quietly suitable for home use. Low power consuming, save energy and save money.
• 【Wide Application】This Water chillers can be used for freshwater tank, water grass tank, sea water tank. Cystal dwarf shrimp cultivation, jellyfish, coral and so on.
• 【Service】Our products are shipped from the United States, can be delivered quickly.If you have any questions, please feel free to contact us, we will reply to you within 24 hours.

Gdrasuya10

• For aquarium wall (or width of the lip around the top edge) LESS THAN 1/2"
• Reduce water temperature and drop up to 2 ~ 4℃
• Offer a couple degrees cooling to offset lights and UV filter
• 2 variable speed, wide angle adjustment, stable and strong clamp
• Easy installation & No assembly required (AC adapter included)

Petzilla

• Low profile unit suction cups to tank
• Duckbill control vent for perfect adjustment
• Perfect size for nano tanks

Zoo Med

• Aquarium Chiller:Too high or too low temperature is not very friendly to fish, a suitable temperature is very important for our fish, JANNIDE Aquarium chiller can help you solve this problem in the hot summer. Quiet, energy efficient, windy, safe, let your fish have a comfortable summer.
• Two-Speed Wind Control:the appropriate wind speed can be selected according to the indoor temperature, the water temperature can be reduced to 2 ~ 4℃, adjustable clamp can be clamped cylinder wall thickness within 1.2cm, no installation, easy to use, can be easily fixed to the edge of the aquarium, very firm.
• Adjustable Angle:The wind direction can be adjusted to 100 degrees by aTwo-Speed Wind Control:the appropriate wind speed can be selected according to the indoor temperature, the water temperature can be reduced to 2 ~ 4℃, adjustable clamp can be clamped cylinder wall thickness within 1.2cm, no installation, easy to use, can be easily fixed to the edge of the aquarium, very firm.
• Safe And Reliable:rated voltage of fan is 12V, high safety standard, ensure fan safety. Coil away from tank water does not pose a risk of short circuit.
• Quiet, Energy Efficient:it's a cool fan for fresh and saltwater aquariums, so it's much quieter than a regular fan. 12 Volts of safe human voltage, low energy consumption, not only saves power for you, but also gives your fish a nice summer.

JANNIDE