Why You’ll Love It
Energy-saving and low-noise aquarium chiller for a hot climate. You can use one controller and a power adapter to control 2 or 3 fans at the same time. It is unnecessary to turn it off manually, for it will auto-on/off after setting. The cooling fan can be installed on freshwater and saltwater rimless tanks less than 0.45 inches(1.1 cm) thick with strong plastic screws.

Key Features
Aquarium Chiller With Controller
hygger 051 aquarium chiller is a quiet fish tank cooling fan with a 7-wing fan wheel that pushes a large air volume at the outlet. You can adjust the timer speed and speed setting freely via the controller.

Combined-Use Cooling Fan
Only one controller and power adapter can control 2 or 3 fans at the same time. The angle of the fan head is adjustable, and the 3-pin splitter is 39.37 inches long. It is convenient and does not take up more space on the tank surface.
Auto On/Off Chillers
The HG051 chiller has an automatic switch and timer setting. Through an external controller, a 5-time period to select- 0.5H/1H/2H/4H/12H. There is no need to worry about forgetting to turn it off after the temperature cools down at night. When the refrigeration equipment is turned on, the fan will stop automatically, too. So, it is no need to switch the power supply every day.

5 Levels Of Wind
The hygger cooling fan has 5 levels of wind speed with an indicator light, which can be used according to different environmental scenarios. There are quiet and gentle winds suitable for sleeping, strong and fast winds for quick cooling, etc.
In summer, if there is no air conditioner and other cooling equipment, you can use the 5th gear, and use 1/2/3/4 gear in spring/fall/winter.

Easy to Use
The angle of each independent fan head can be adjusted freely, so you can blow wherever you want. hygger’s unique 3-pin de-concentrator cord design can satisfy fan heads placed on 1–3 tanks and controlled by one controller and power cord.
There is a double switch design on the side of the cooling fan, so you can turn off the power manually at any time.
High-quality chiller from hygger
In addition to the unique functional creation (timer/wind speed setting) of the cooling fan, its quality is also worthy of recognition. Whatever the sturdy and beautiful ABS plastic shell, the all-copper core motor, and the FDB bearings, all of them bring a big, comfortable wind feeling.
Usage Tips
1. Available in all seasons: the aquarium chiller fan can be used in seasons other than the hot summer; it can also be used in ventilated basements and garages, especially as well as coral tanks.
2. The UL safety-certified DC power supply is guaranteed to be used.
3. In the hot summer, you can choose not to use the timer.

Range of use:
1. Hot summer
2. High-end aquarium chillers that are expensive and power-hungry.
3. Aquarium lights or other equipment with motors in the fish tank generate heat.
4. Reef tanks require specific temperatures.
5. Keep your axolotls and shrimp tank cool.
6. Perennially not ventilated basements and garages.
7. Keep the tank cool in the winter, if the heat running in your house is too warm.
Specification
Package:
1 x Adapter
1 x Cooling fans
1 x Controller
1 x User manual














The product feels very sturdy and has low noise level. I just want to know if there is a way for it to automatically turn on? I tried using smart swith but it won’t start unless the ON button is pressed on the controller.
Hi Twice Teudoong,
The hygger 051 fans can be timed to turn on automatically, but it is not possible to turn it on auto after a power outage. This fan has a memory setting. For example, if it is timed for 1 hour today at 11 am, it will work automatically at the same time tomorrow, and then it will auto-work the same way and same time every day.
Thanks
hygger team
I am absolutely thrilled with this fan! The cooling effect is remarkable and I can’t believe how easy it was to set up. The fan clamps securely onto the aquarium and the adjustable angle feature is so convenient. The controller is incredibly user-friendly, with five fan speeds and five pre-set timer settings that are a breeze to navigate. I also love that there’s a manual switch on the fan itself for quick on/off control.