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Shop Premium Aquarium Pumps and Filters Online in Austria

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hygger Small Aquarium Betta Heater, Submersible Fish Tank Heater 10W/25W/50W/100W with LED Digital Display, Suitable for Marine Saltwater and Freshwater up to 5/10/16/26 Gallon
US Store
hygger

hygger Small Aquarium Betta Heater, Submersible Fish Tank Heater 10W/25W/50W/100W ...
4.6

2k+ bought

€ 24

AQUASMITH Aquarium Chiller Fan,Fish Tank Cooler with Temperature Control,Minimum Setting 59F,Auto Start/Stop,Refrigeration Effect 3-7F,3-Speed Modes,for Axolotl Seawater Freshwater Coral Grass Tank
US Store
AQUASMITH

AQUASMITH Aquarium Chiller Fan,Fish Tank Cooler with Temperature Control,Minimum ...
4.4

1k+ bought

€ 57

PULACO 25Watt Mini Aquarium Submersible Betta Heater with Free Thermometer Strip for 1-6 Gallon Fish Tanks Preset Temperature 78F
US Store
PULACO

PULACO 25Watt Mini Aquarium Submersible Betta Heater with Free Thermometer Strip ...
4.3

1k+ bought

€ 16

PAIZOO Aquarium Chiller Fan, Ultra-Quiet Fish Tank Cooling Fans, 3 Speed Modes Aquarium Cooler, Water Chiller for Axolotl Tank Accessories Freshwater Saltwater Tanks, 6.4W
US Store
PAIZOO

PAIZOO Aquarium Chiller Fan, Ultra-Quiet Fish Tank Cooling Fans, 3 Speed Modes ...
4.2

600+ bought

€ 33

Aquarium Fan,Ultra-Quiet Fish Tank Cooler,More Powerful,Cooling Effect 3-7F with 3 Speed Modes Adjustable Applicable Aquariums with or Without Edges, for Axolotl Seawater Freshwater Coral Grass Tank
US Store
AQUASMITH

Aquarium Fan,Ultra-Quiet Fish Tank Cooler,More Powerful,Cooling Effect 3-7F with 3 ...
4.4

300+ bought

€ 45

16% Rabatt
HITOP 25W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat with Suction Cups for 5-10Gal
US Store
HITOP

HITOP 25W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat with ...
4.4

300+ bought

€ 16 19

HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water for Saltwater and Freshwater
US Store
HiTauing

HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with ...
4.5

300+ bought

€ 47

10% Rabatt
Fluval M 100-Watt Submersible Aquarium Heater Compact, High-Performance, Reliable Heating For Fresh & Saltwater Tanks
US Store
Fluval

Fluval M 100-Watt Submersible Aquarium Heater Compact, High-Performance, Reliable ...
4.4

300+ bought

€ 43 48

15% Rabatt
hygger Aquarium Chillers Fan, Quiet Fish Tank Cooling Fan Equipment with Adjustable Timer Speed Controller, Suitable for Freshwater Saltwater Tanks1-Fan Head
US Store
hygger

hygger Aquarium Chillers Fan, Quiet Fish Tank Cooling Fan Equipment with Adjustable ...
4.3

200+ bought

€ 22 26

DaToo 50 Watt Aquarium Heater Submersible Adjustable Temperature Fish Tank Heater 50W
US Store
DaToo

DaToo 50 Watt Aquarium Heater Submersible Adjustable Temperature Fish Tank Heater 50W
4.3

200+ bought

€ 13

PAIZOO Aquarium Chiller Fan, Auto Temperature Control Fish Tank Cooler Aquarium Fan with Temperature Probe, LCD Display, 3 Speed Modes Axolotl Tank Cooler, 8.5-in, 6.4W
US Store
PAIZOO

PAIZOO Aquarium Chiller Fan, Auto Temperature Control Fish Tank Cooler Aquarium Fan ...
4.2

200+ bought

€ 39

Aquarium Heater 300W Upgraded Fish Tank Heater With Leaving Water Automatically Stop Heating And Advanced Temperature Control System, Suitable For Saltwater And Freshwater 20 Gallons to 60 Gallons
US Store
AIWEK

Aquarium Heater 300W Upgraded Fish Tank Heater With Leaving Water Automatically ...
4.3

100+ bought

€ 27

12% Rabatt
Orlushy 800W Submersible Aquarium Heater, Adjustable Fish Tank Heater with Digital Display External Controller, Overheat Protection and Free Thermometer for 80-175 Gallon Freshwater and Saltwater Tank
US Store
Orlushy

Orlushy 800W Submersible Aquarium Heater, Adjustable Fish Tank Heater with Digital ...
3.3

100+ bought

€ 50 57

HiTauing Aquarium Heater 25W/50W/100W/200W/300W, Adjustable Knob Fish Tank Heater with Digital Thermometer, Submersible Betta/Turtle Tank Heater for Freshwater and Saltwater Tanks
US Store
HiTauing

HiTauing Aquarium Heater 25W/50W/100W/200W/300W, Adjustable Knob Fish Tank Heater ...
3.9

100+ bought

€ 19

10% Rabatt
100W Aquarium Heater for 10-20 Gallon with Auto Shut-Off When Leaving WaterSubmersible Fish Tank Heater, Dry-Burn & Overheat Protection, Explosion-Proof, Freshwater Saltwater Turtle Tank
US Store
HANLESHUKA

100W Aquarium Heater for 10-20 Gallon with Auto Shut-Off When Leaving ...
4.4

100+ bought

€ 28 31

hygger ECO Precise 50W Aquarium Heater Submersible, for 5-10 Gallon Fish Tank, 0.5C Dual Probe Controller, Overheat & Dry-Run Protection for Freshwater & Saltwater
US Store
hygger

hygger ECO Precise 50W Aquarium Heater Submersible, for 5-10 Gallon Fish Tank, 0.5C ...
5

100+ bought

€ 28

Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt, 2-10 Gallon
US Store
Tetra

Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt, 2-10 Gallon
4.4

100+ bought

€ 22

HITOP Mini Submersible Aquarium Heater -50W Digital Heater for Fish Tank Turtle Tank, for Saltwater and Fresh Water with Temperature Controller
US Store
HITOP

HITOP Mini Submersible Aquarium Heater -50W Digital Heater for Fish Tank Turtle ...
4.3

100+ bought

€ 25

AQUANEAT Aquarium Heater, 50W Small Betta Fish Tank Heater, Mini Preset Water Thermostat with a Thermometer
US Store
AQUANEAT

AQUANEAT Aquarium Heater, 50W Small Betta Fish Tank Heater, Mini Preset Water ...
3.3

100+ bought

€ 15

hygger Mini Fish Tank Submersible Heater 75W for 10-15 Gallons Small Betta Aquarium Heater with Digital Display Controller Adjustable Temperature
US Store
hygger

hygger Mini Fish Tank Submersible Heater 75W for 10-15 Gallons Small Betta Aquarium ...
4.2

100+ bought

€ 30

TetraFauna Aquatic Reptile Heater 100 Watts, For Frogs, Newts And Turtles, Green
US Store
Tetra

TetraFauna Aquatic Reptile Heater 100 Watts, For Frogs, Newts And Turtles, Green
4.2

100+ bought

€ 38

Aqueon Small Aquarium Fish Tank Submersible Mini Flat Heater Up to 2.5 to 5 Gallon Aquariums, 7.5 Watts
US Store
Aqueon

Aqueon Small Aquarium Fish Tank Submersible Mini Flat Heater Up to 2.5 to 5 Gallon ...
4.1

50+ bought

€ 22

Aqueon Small Aquarium Fish Tank Submersible Mini Flat Heater Up to 5 Gallon Aquariums, 10 Watts
US Store
Aqueon

Aqueon Small Aquarium Fish Tank Submersible Mini Flat Heater Up to 5 Gallon ...
4

50+ bought

€ 25

AquaMiracle Mini Aquarium Heater 10W Small Fish Tank Heater for 1-2 Gal Tanks, Digital Display Thermostat Betta Heater with Dry-Run & Overheat Protection, Memory Function
US Store
AquaMiracle

AquaMiracle Mini Aquarium Heater 10W Small Fish Tank Heater for 1-2 Gal Tanks, ...
4.2

50+ bought

€ 25

FEDOUR 10W Super Mini USB Aquarium Heater, Small Adjustable Heater with External Controller for up to 2.5 Gallon Small Fish Tank, Nano Fish Tank Heater, Betta Heater for Fish Bowls
US Store
FEDOUR

FEDOUR 10W Super Mini USB Aquarium Heater, Small Adjustable Heater with External ...
3.9

50+ bought

€ 16

DaToo Super Mini Aquarium Heater 6 Watts Small Fish Tank Flat Heater 6W with Free Thermometer Strip Submersible Slim Betta Heater for Up to 2 Gallon Desktop Aquariums
US Store
DaToo

DaToo Super Mini Aquarium Heater 6 Watts Small Fish Tank Flat Heater 6W with Free ...
4

50+ bought

€ 14

19% Rabatt
Orlushy Submersible Aquarium Heater, Fish Tank Heater with Free Thermometer for Freshwater and Saltwater Tank
US Store
Orlushy

Orlushy Submersible Aquarium Heater, Fish Tank Heater with Free Thermometer for ...
3.7

50+ bought

€ 30 37

hygger Aquarium Chiller Fan, Auto Temperature Control Aquarium Cooling Fan with Adjustable Temperature and 3 Wind Speed, Quiet Fish Tank Cooler
US Store
hygger

hygger Aquarium Chiller Fan, Auto Temperature Control Aquarium Cooling Fan with ...
3.8

50+ bought

€ 43

Small Aquarium Fish Tank Heater URUQ 25W Submersible Aquarium Heater Adjustable Temperature Ultra-Low Water Level for Betta Fish Starter Kit - Under 5 Gallon Mini Aquarium
US Store
URUQ

Small Aquarium Fish Tank Heater URUQ 25W Submersible Aquarium Heater Adjustable ...
4.4

50+ bought

€ 28

YukiHalu Small Submersible Aquarium Heater, Adjustable Mini Fish Tank Heater 25W 50W 100W 200W 300W with External Temperature Controller, LED Display, Used for 5/10/20/40/60 Gallons 25 Watts
US Store
YukiHalu

YukiHalu Small Submersible Aquarium Heater, Adjustable Mini Fish Tank Heater 25W ...
4.1

50+ bought

€ 25

100W Submersible Fish Tank Heater for 10-20 Gallon with Auto Shut-Off When Leaving WaterAquarium Heater, Dry-Burn & Overheat Protection, Smart LED Display for Betta Freshwater Saltwater
US Store
HANLESHUKA

100W Submersible Fish Tank Heater for 10-20 Gallon with Auto Shut-Off When Leaving ...
4.5

50+ bought

€ 30

HITOP 15W/25W/35W Mini Aquarium Heater Submersible Small Fish Tank Heater for up to 10Gallons Fish Tanks, Fish Bowls, Betta Heater with External Temperature Controller
US Store
HITOP

HITOP 15W/25W/35W Mini Aquarium Heater Submersible Small Fish Tank Heater for up to ...
4.2

50+ bought

€ 20

hygger Aquarium Heater, 50W/100W/150W/200W Adjustable Power Fish Tank Heater with Auto Power-Off and High-Temp Protection, Upgraded Titanium Turtle Tank Heater for Saltwater and Freshwater
US Store
hygger

hygger Aquarium Heater, 50W/100W/150W/200W Adjustable Power Fish Tank Heater with ...
4.4

50+ bought

€ 45

UPETTOOLS 50W Mini Aquarium Heater, Digital Fish Tank Heater | 5-10 Gal, External Controller, Explosion-Proof, Dry-Run Protection, Betta & Turtle
US Store
UPETTOOLS

UPETTOOLS 50W Mini Aquarium Heater, Digital Fish Tank Heater | 5-10 Gal, External ...
4.1

50+ bought

€ 35

Aquarium Fan 2 3 4 Heads, Aquarium Chillers Cooling Fan Adjustable Fish Tank Cooling Fan with 2 Wind Speed Fan for Water Tank, Aquarium Tank Chiller 4 Head
US Store
Liveek

Aquarium Fan 2 3 4 Heads, Aquarium Chillers Cooling Fan Adjustable Fish Tank ...
4.1

50+ bought

€ 45

FREESEA Aquarium Heater for Fish Tank 25W Small Submersible Thermostat with Off-Water Protection & UL Certified Cord for 1-5 Gallon Fish Turtle Tanks Enthusiasts
US Store
FREESEA

FREESEA Aquarium Heater for Fish Tank 25W Small Submersible Thermostat with ...
4.2

50+ bought

€ 24

AHJ Aquarium Heater for 75 100 120 Gallon, 500W Submersible Fish Tank Water Heater with Accurate Temperature Control, Over-Temp Protect, Auto Shut-Off, Quick Heat up for Saltwater & Freshwater
US Store
AHJ

AHJ Aquarium Heater for 75 100 120 Gallon, 500W Submersible Fish Tank Water Heater ...
4

50+ bought

€ 34

PAIZOO Aquarium Chiller Fan, Fish Tank Cooling Fan with Temperature Probe & LCD Display Aquarium Cooler Water Chiller for Axolotl Betta Fish Accessories, 7W
US Store
PAIZOO

PAIZOO Aquarium Chiller Fan, Fish Tank Cooling Fan with Temperature Probe & LCD ...
4

50+ bought

€ 39

OASE Indoor Aquatics HeatUp 300 Watt Aquarium Heater, Clear
US Store
OASE

OASE Indoor Aquatics HeatUp 300 Watt Aquarium Heater, Clear
4.3

50+ bought

€ 50

Pawfly 20 W Mini Submersible Aquarium Heater, 1.5-3 Gallon Fish Tanks Heater Betta Heater with Thermostat, Submersible Fishs Tank Heater, Small Aquarium Heaters for Saltwater and Freshwater
US Store
Pawfly

Pawfly 20 W Mini Submersible Aquarium Heater, 1.5-3 Gallon Fish Tanks Heater Betta ...
4

50+ bought

€ 14

EHEIM Jager Aquarium Thermostat Heater 75W
US Store
Eheim

EHEIM Jager Aquarium Thermostat Heater 75W
4.2

50+ bought

€ 41

hygger Submersible Aquarium Heater, 100W 150W 200W 300W Adjustable Fish Tahk Heater with Temperature Controller, LED Display, Small Aquarium Betta Heater for up to 20/26/40/48 Gallons
US Store
hygger

hygger Submersible Aquarium Heater, 100W 150W 200W 300W Adjustable Fish Tahk Heater ...
4.1

50+ bought

€ 31

SunGrow Water Heater, 10W, Turtle Aquarum Tank, Cat & Dog Heated Bowl, Warm Water Encourage Drinking, Bird Fountain Deicer, Chicken & Horse Water Dispenser Warmer, Quail Waterer Storage Bucket
US Store
SunGrow

SunGrow Water Heater, 10W, Turtle Aquarum Tank, Cat & Dog Heated Bowl, Warm Water ...
4.2

50+ bought

€ 17

9% Rabatt
Mini Aquarium Heater 5V/2A USB 10W Super Small Fish Tank Heater with Digital Display Thermostat, Alumina Ceramic Betta Tank Heater Turtle Heater for Tanks up to 1 Gallon
US Store
VCRAZE

Mini Aquarium Heater 5V/2A USB 10W Super Small Fish Tank Heater with Digital ...
4.1

50+ bought

€ 21 23

Inkbird Heating Thermostat Aquarium Reptile Submersible Probe Sensor ITC306T Heater Relay Digital Greenhouse Temperature Controller Dual Stage Timer Time Switch ONLY Heat Plug Outlet NO Cooling
US Store
Inkbird

Inkbird Heating Thermostat Aquarium Reptile Submersible Probe Sensor ITC306T Heater ...
4.5

50+ bought

€ 43

Aqueon Submersible Aquatic Flat Heater 15 Watts
US Store
Aqueon

Aqueon Submersible Aquatic Flat Heater 15 Watts
4.1

50+ bought

€ 25

hygger 150W Submersible Aquarium Heater with Digital Temperature Controller, Mini Fish Tank Heater for 2030 Gallon Tanks, Overheat & Out-of-Water Protection, Freshwater & Saltwater
US Store
hygger

hygger 150W Submersible Aquarium Heater with Digital Temperature Controller, Mini ...
4

50+ bought

€ 37

79 Gal Aquarium Chiller, 1/3 HP Fish Tank Water Chiller with Quiet Design Compressor, Refrigeration for Hydroponic System Axolotl Jellyfish Coral Reef 300L, Black
US Store
Fitnet

79 Gal Aquarium Chiller, 1/3 HP Fish Tank Water Chiller with Quiet Design ...
4.4

50+ bought

€ 319

Purchase Reliable Aquarium Heaters and Coolers Online from Ubuy Austria

Some aquariums are decorative. Others are ecosystems under stress the moment the room temperature drops or the sun hits the glass too long. Without thermal control, the environment shifts from stable to hostile in hours. In freshwater and marine tanks alike, temperature regulation doesn’t just improve comfort; it keeps species alive.

Whether you’re raising neon tetras in a planted tank or managing heat spikes in a reef setup, the aquarium heater and cooler you use determine the health, behaviour, and survival of everything inside. Ubuy Austria offers solutions built to stabilise thermal variance, not just react to it. Every product is designed for aquatic balance, not aesthetics, from digital controllers to high-wattage heaters and compact chillers.

Choose the Right Thermal Setup for Your Aquarium

The right equipment depends on tank size, species, climate, and layout. Below are the main types of heating and cooling systems used in real-world aquariums, each with a defined role in water stability and species health.

Full-Submersion Heaters for Consistent Tropical Heat

These go entirely underwater, either mounted vertically or horizontally. Most models, like the Fluval E-Series, feature an adjustable dial and digital thermometer. Submersibles are favoured for their even heat distribution and compatibility with freshwater and marine tanks.

Choose the wattage based on your volume: 25 W for 5–10 litres and 300 W for 100+ litres. They work well in conjunction with aquarium water treatments that depend on stable biological activity.

External In-Line Heaters for Clean, Minimal Interiors

Connected to the outflow of a canister filter, these heaters warm water before it re-enters the tank. They’re ideal for aquascaped tanks where visual clutter matters. Brands like Hydor and Finnex make models with precise calibration, often to 0.1°C. Because they’re outside the tank, they’re safe from substrate disturbance or aggressive fish.

External heaters maintain temperature in reef tanks using multiple aquarium lights without crowding the sump or display area.

Compact Preset Heaters for Small Tanks or Quarantine Use

For tanks under 10 gallons of betta bowls, shrimp tanks, and fry grow-outs, compact heaters with fixed temps (usually 25°C) do the job. Models from Aqueon and Tetra offer plug-and-play setups with auto shutoff. These pair well with fish medication & health supplies, where temperature stability is key to treatment.

Titanium Heaters with Controllers for High-Value Systems

Titanium-core heaters resist corrosion and breakage. They’re often used with external controllers that monitor temperature independently. Brands like Inkbird combine dual-sensor probes with alarms and mobile alerts. These are common in setups where failure means loss: marine tanks, discus systems, and breeding operations.

The controller can toggle heating and cooling systems, which are ideal for seasonal climates. When paired with a fish food auto-feeder, it reduces manual intervention.

Clip-On Coolers for Surface Heat Management

Evaporative fans clip onto the tank’s rim and blow across the surface to reduce temperature. They don’t cool like a chiller but work in smaller setups or open-top aquariums. These are useful in shallow tanks exposed to direct light or setups with high-wattage aquarium lights. The water loss from evaporation needs topping up with conditioned water to maintain parameters.

Compressor-Based Chillers for Marine and Reef Tanks

These machines extract heat from the water using refrigerant coils and are essential when ambient temperatures threaten coral health. Chillers like the JBJ Arctica can handle tanks from 100–500 litres, dropping temperatures by up to 10°C, depending on the model.

Often used with saltwater setups that include sensitive invertebrates or temperature-sensitive fish, medication & health supplies.

Heater Guards and Turtle Tank-Specific Models

Turtles bite. They also knock into things. Standard glass heaters don’t hold up well in turtle setups. Use models with integrated guards or opt for heaters explicitly made for amphibious tanks. These come with casing, higher wattage for shallow water, and compatibility with basking setups.

Brands like Eheim and Fluval offer models rated for 20–100 litres of partially filled water. Always paired with a strong thermometer, many users install a secondary aquarium heater controller to cut power if temperatures spike.

Dual-Mode Temperature Controllers for Precision Automation

A standalone controller links to your heater or chiller and monitors water independently. Some models, like the Inkbird ITC series, have dual relay outputs to control heating and cooling precisely. They’re ideal for setups using a heater in winter and a cooler in summer. These are also used in amphibious tanks or when dosing aquarium water treatments that require narrow temperature ranges.

Get the Best Deals on Aquarium Heaters and Coolers from Top Rated Brands

Below, we have further categorised top models from brands based on their key features, use cases, and user ratings for your convenience.

Brand

Model/Product Name

Key Features

Best Use Case

Notable Technical Detail

User Rating

Fluval

E300 Advanced Heater

Shatterproof, LCD, ±0.5°C control

Tropical tanks

Fully submersible

⭐⭐⭐⭐

Eheim

Jager TruTemp 200W

Adjustable, auto shutoff

Mid-size community tanks

German-made, recalibration

⭐⭐⭐⭐⭐

Hygger

Titanium Heater 500W

External controller, dual sensor

Saltwater & large tanks

Titanium, 100–300L coverage

⭐⭐⭐⭐

JBJ

Arctica Chiller DBM-250

Compressor cooling, 1/3 HP

Reef setups, hot climates

Drop of up to 10°C

⭐⭐⭐⭐

Inkbird

ITC-308 WiFi Controller

Dual relay, app alerts

Heater + cooler control

Works with 1200W devices

⭐⭐⭐⭐⭐

Aqueon

Preset Heater 50W

Non-adjustable, compact

Betta & shrimp tanks

Maintains 25°C

⭐⭐⭐⭐

Across the range available across Ubuy Austria, digital heater systems and controllers are becoming standard even in beginner tanks. What stands out: users consistently favour temperature precision over brand loyalty. That means whether you're dosing medicine or adjusting for heatwaves, your equipment, not your heater’s logo, makes the difference.

Frequently Asked Questions About Aquarium Pumps and Filters

  • Where Should I Place the Aquarium Heater?

    Mount it near the filter outlet or circulation pump. That placement spreads warm water quickly. Keep it submerged and away from gravel or decorations to prevent heat traps. Use vertical or horizontal positioning based on your tank layout.

  • Can I Use a Heater in a Turtle Tank?

    Yes, but only with a guard or protective casing. Turtles can crack exposed glass. Choose turtle-specific heaters or add guards over submersible models. Always ensure the wattage covers your shallow water volume.

  • How Do I Know if My Aquarium Heater is Working?

    Look for the indicator light—Cross-check with a separate thermometer, not just the one built into the heater. If the temp doesn’t stabilise within 24 hours, inspect the unit or use a digital controller for verification.

  • Are Battery-Operated Aquarium Heaters Effective?

    Not for long-term use. They’re emergency devices at best. Instead, use a UPS backup system or controller with fail-safe cutoffs. Battery heaters can’t reliably handle large volumes or high wattage.

  • Where Can I Buy an Aquarium Heater and Cooler Online in Austria?

    Ubuy Austria stocks heaters, chillers, and controller systems from Fluval, Eheim, Hygger, and more. You’ll also find [Fish Food], [Aquarium Water Treatments], and [Fish Medication & Health Supplies] to build a complete thermal and biological system.