Browse aquarium heaters, chillers and controllers and see how aquarists use them in their setups.
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Find the gear behind the community's tanks.
Tanks, stands, lids
Canister filters, HOBs, protein skimmers, rollmats
Planted LEDs, high-actinic coral LEDs
Heaters, chillers, electronic controllers
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Aquasoils, sands, dry reef rock, driftwood
Conditioners, RODI systems, marine salt mixes
Plant fertilizers, liquid CO₂, reef dosing pumps, calcium & alkalinity
Tools, food, testing, and the finishing touches
In community tanks
Chosen by aquarists
121 matching items · Most used first
Climate ControlSicce
Sicce Scuba Contactless aquarium heater with patented contactless temperature control adjusted via NFC and the Sicce ContrAll app, with a set range of 59F to 95F and +/- 2F tolerance. Features shatter-resistant glass, an on/off indicator light, suction cup mounts, a 5-year warranty, an energy-saving mode, and sizes from 50W to 400W covering 10 to 125 gallons.
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Climate ControlSicce
The Sicce Scuba Preset Aquarium Heater is a fully submersible electronic heater factory-set to a non-adjustable 77°F (25°C), ideal for tropical aquariums where constant preset heating is preferred. It features shatter-resistant high-thermal-density glass, an electronic thermostat, thermal safety shut-off with run-dry protection, an ON/OFF heating indicator light, and suction-cup mounting, and is available in 50 to 300 watt models covering aquariums from about 10 to 90 gallons.
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Climate ControlSea Side Aquatics
Sea Side Aquatics 4-fan aquarium cooling fan is a cost-effective evaporative cooling solution for small temperature rises (recommended for aquariums up to 40 gal). Features a hinged adjustable mounting bracket, adjustable flow direction and low power consumption; also cools lighting systems.
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Climate ControlSicce
The Sicce SCUBA Contactless Heater features patented contactless temperature regulation with a free mobile app for recording and precisely setting water temperatures between 59 and 95 degrees F with plus/minus 2 degree F tolerance. It includes energy saving mode, shatter-resistant high thermal density glass, suction cups, on-off indicator light, and thermo-safety shut off. Available in 200W, 250W, 300W, and 400W for aquariums from 40 to 125 gallons.
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Aqueon
The Aqueon Submersible Glass Heater is a fully submersible, shatter-resistant quartz-glass heater for freshwater and saltwater aquariums, adjustable from 68 to 88°F with an electronic thermostat accurate to 1°F. It includes auto shut-off when not fully submersed, an LED heating indicator, and suction-cup mounting for vertical or horizontal placement.
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Climate ControlTECO
The TECO TK2000 1/3 HP Aquarium Chiller cools 130-500 gallon freshwater or saltwater aquariums, with a titanium heat exchanger, digital thermostat (41-95°F), eco-friendly R290 refrigerant, 440W power consumption, and 159-211 GPH flow range.
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Climate ControlTECO
The TECO TK-2000H is an energy-efficient 1/3 HP aquarium chiller with a built-in heater for freshwater or saltwater aquariums from 130 to 500 gallons, featuring a titanium heat exchanger, digital thermostat with F/C display, and eco-friendly R290 refrigerant.
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Climate ControlTECO
The TECO TK1000 is a 1/4 HP aquarium chiller rated for aquariums of 60 to 200 gallons. It uses an energy-efficient R290 refrigerant compressor and titanium heat exchanger, with a precision digital thermostat for tight temperature control.
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Climate ControlTECO
The TECO TK-1000H is an energy-efficient 1/4 HP aquarium chiller with a built-in heater for freshwater or saltwater aquariums from 60 to 200 gallons, featuring a titanium heat exchanger, digital thermostat with F/C display, and eco-friendly R290 refrigerant.
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Climate ControlTECO
Efficient Cooling for Aquariums Up to 120 Gallons Energy-Efficient 1/6 Horsepower Chiller Compact Design with Rotatable Water Connections Titanium Heat Exchanger for Durability and Corrosion Resistance Digital Thermostat for Precise Temperature Control For Freshwater or Saltwater Aquariums The TECO TK-500 is designed to provide reliable and efficient temperature regulation for aquariums up to 120 gallons. Equipped with a powerful yet energy-efficient 1/6 HP compressor, the chiller ensures optimal performance while keeping energy consumption low.
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Climate ControlTECO
The TECO TK500H 1/6 HP Aquarium Chiller + Heater cools and heats aquariums up to 120 gallons, with titanium heat exchanger, digital thermostat (41-95°F), eco-friendly R290 refrigerant, 225W, 106-211 GPH flow range, and optional WiFi module.
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Climate ControlTECO
Stay Connected, Stay in Control Compatible with TECO TK-500, TK-1000, and TK-2000 Aquarium Chillers Enables WiFi Connectivity for Remote Monitoring and Control Easy Setup with the TECOnnect App for iOS and Android Monitor Temperature and Adjust Settings Anywhere, Anytime The TECOnnect WiFi Module transforms your TECO chiller into a smart device, giving you complete control over your aquarium’s temperature right from your smartphone. Whether you’re at work, running errands, or on vacation, the TECOnnect app ensures you’re always in the loop with real-time updates and the ability to make adjustments on the fly.
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Climate ControlHydor
The Hydor Theo is a fully submersible shatterproof glass aquarium heater with a PTC heating element that self-limits power to prevent overheating. A graduated adjustment knob maintains the set temperature precisely, and the compact design mounts horizontally or vertically with the included suction cups.
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Climate ControlReef Factory
Intelligent Temperature Monitoring Device Monitors Aquarium or Air Temperature Sends Notifications When Temp is Outside of Safe Limits The Thermo view works like a traditional thermometer, but with smart features built-in. In addition to monitoring your aquarium’s water temperature, you can view the temperature data for your aquarium online or in the Reef Factory iOS/Android app.
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EHEIM
Eheim thermocontrol is a line of fully submersible precision aquarium heaters with electronic temperature control accurate to 0.5°C and a special laboratory-glass jacket for even heat emission. They feature dry-run protection, a control lamp, and models covering aquariums from about 20 to 1200 liters.
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Climate ControlEHEIM
The EHEIM thermocontrol 150 is a 150 W precision aquarium heater (adjustable rod heater) for aquariums from 200 to 300 litres. Temperature is precisely adjustable from 18 to 34 C with +/-0.5 C accuracy; it is completely submersible, has automatic dry-run shut-off (Thermo Safety Control), and a special laboratory glass jacket that increases the heating surface and acts as a heat shield; for fresh and marine water.
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Climate ControlEHEIM
The EHEIM thermocontrol 200 is a 200 W precision aquarium heater (adjustable rod heater) for aquariums from 300 to 400 litres. Temperature is precisely adjustable from 18 to 34 C with +/-0.5 C accuracy; it is completely submersible, has automatic dry-run shut-off (Thermo Safety Control), and a special laboratory glass jacket that increases the heating surface and acts as a heat shield; for fresh and marine water.
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Climate ControlEHEIM
The EHEIM thermocontrol 300 is a 300 W precision aquarium heater (adjustable rod heater) for aquariums from 600 to 1000 litres. Temperature is precisely adjustable from 18 to 34 C with +/-0.5 C accuracy; it is completely submersible, has automatic dry-run shut-off (Thermo Safety Control), and a special laboratory glass jacket that increases the heating surface and acts as a heat shield; for fresh and marine water.
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Climate ControlEHEIM
The EHEIM thermocontrol 75 is a 75 W precision aquarium heater (adjustable rod heater) for aquariums from 60 to 100 litres. Temperature is precisely adjustable from 18 to 34 C with +/-0.5 C accuracy; it is completely submersible, has automatic dry-run shut-off (Thermo Safety Control), and a special laboratory glass jacket that increases the heating surface and acts as a heat shield; for fresh and marine water.
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Climate ControlEHEIM
The EHEIM thermocontrol+e 200 is an electronic 200 W aquarium heater with integrated WLAN and digital control via smartphone, tablet, or PC, for aquariums from 300 to 400 litres. Temperature is precisely set from 18 to 32 C with +/-0.5 C control accuracy, and an e-mail notification is sent if the temperature deviates by +/-2 C; it can synchronise with other EHEIM.digital devices (professionel 5e filter, LEDcontrol+), and has dry-run protection (Thermo Safety Control); waterproof IPX8, for fresh and marine water.
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Climate ControlEHEIM
The EHEIM thermocontrol+e 300 is an electronic 300 W aquarium heater with integrated WLAN and digital control via smartphone, tablet, or PC, for aquariums from 600 to 1000 litres. Temperature is precisely set from 18 to 32 C with +/-0.5 C control accuracy, and an e-mail notification is sent if the temperature deviates by +/-2 C; it can synchronise with other EHEIM.digital devices (professionel 5e filter, LEDcontrol+), and has dry-run protection (Thermo Safety Control); waterproof IPX8, for fresh and marine water.
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Climate ControlEHEIM
The EHEIM thermocontrol-e 150 W is an electronically controlled aquarium heater for aquariums from 200 to 300 litres. Temperature is precisely adjustable from 20 to 32 C with +/-0.5 C control accuracy and no readjustment necessary; a control lamp indicates heating (red: heating up; green: temperature reached). Fully submersible with dry-run protection (Thermo Safety Control) and a special laboratory glass coating that increases the heating surface and acts as a heat shield; for fresh and marine water.
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Climate ControlEHEIM
The EHEIM thermocontrol-e 200 W is an electronically controlled aquarium heater for aquariums from 300 to 400 litres. Temperature is precisely adjustable from 20 to 32 C with +/-0.5 C control accuracy and no readjustment necessary; a control lamp indicates heating (red: heating up; green: temperature reached). Fully submersible with dry-run protection (Thermo Safety Control) and a special laboratory glass coating that increases the heating surface and acts as a heat shield; for fresh and marine water.
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Climate ControlEHEIM
The EHEIM thermocontrol-e 300 W is an electronically controlled aquarium heater for aquariums from 600 to 1000 litres. Temperature is precisely adjustable from 20 to 32 C with +/-0.5 C control accuracy and no readjustment necessary; a control lamp indicates heating (red: heating up; green: temperature reached). Fully submersible with dry-run protection (Thermo Safety Control) and a special laboratory glass coating that increases the heating surface and acts as a heat shield; for fresh and marine water.
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Climate ControlEHEIM
The EHEIM thermocontrol-e 50 W is an electronically controlled aquarium heater for aquariums from 25 to 60 litres. Temperature is precisely adjustable from 20 to 32 C with +/-0.5 C control accuracy and no readjustment necessary; a control lamp indicates heating (red: heating up; green: temperature reached). Fully submersible with dry-run protection (Thermo Safety Control) and a special laboratory glass coating that increases the heating surface and acts as a heat shield; for fresh and marine water.
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Climate ControlEHEIM
The EHEIM thermocontrol-e 125 W is an electronically controlled aquarium heater for aquariums from 150 to 200 litres. Temperature is precisely adjustable from 20 to 32 C with +/-0.5 C control accuracy and no readjustment necessary; a control lamp indicates heating (red: heating up; green: temperature reached). Fully submersible with dry-run protection (Thermo Safety Control) and a special laboratory glass coating that increases the heating surface and acts as a heat shield; for fresh and marine water.
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Climate ControlBulk Reef Supply
Includes Zen Reef Nano Mag Magnetic Heater Mounts! Over time any suction cup will start to fail, Zen Reef's Magnetic Heater Holders are the perfect solution.
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Climate ControlBulk Reef Supply
A corrosion-resistant, shatterproof titanium heating element for aquariums, available in 100–600W models covering up to 200 gallons. It has no built-in thermostat and must be paired with an external temperature controller.
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Climate ControlNeptune Systems
Start your aquarium with the proper control system! Fully automate your aquarium with the A3 Apex Controller System, and while you are at it ensure your aquarium's calcium, alkalinity, and magnesium levels are always perfectly stable with the Neptune Systems Trident.
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Climate ControlNeptune Systems
Control and Monitor your Aquarium with ease Built in WiFi, key parameter monitoring, and reliable equipment control. Regular automated testing of alkalinity, calcium, and magnesium with an included 2 month supply of reagents!
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