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Collection: Heating & Chillers

Heaters, chillers, thermometers, and cooling fans to hold a stable aquarium temperature — from nano tanks to large reef and coldwater systems. 

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51 products

Marina Floating Thermometer with Suction Cup - Small

Marina Floating Thermometer with Suction Cup - Small

Regular price $3.70
Sale price $3.70 Regular price
Marina Floating Thermometer with Suction Cup - Large

Marina Floating Thermometer with Suction Cup - Large

Regular price $4.40
Sale price $4.40 Regular price
Aquatop 400W Titanium Heater - THC500 full view of heater and all components

Aquatop 500W Titanium Heater - THC500

Regular price $138.95
Sale price $138.95 Regular price
Eheim 50 Watt Thermocontrol Aquarium Heater

Eheim 50 Watt Thermocontrol Aquarium Heater

Regular price $39.95
Sale price $39.95 Regular price
Aquatop 100W Titanium Heater - THC100 full view of all components

Aquatop 100W Titanium Heater - THC100

Regular price $90.35
Sale price $90.35 Regular price
Eheim 75 Watt Thermocontrol Aquarium Heater

Eheim 75 Watt Thermocontrol Aquarium Heater

Regular price $39.95
Sale price $39.95 Regular price
Aquatop 200W Titanium Heater - THC300 entire heater with all components

Aquatop 300W Titanium Heater - THC300

Regular price $115.10
Sale price $115.10 Regular price
Eheim 150 Watt Thermocontrol Aquarium Heater

Eheim 150 Watt Thermocontrol Aquarium Heater

Regular price $43.95
Sale price $43.95 Regular price
Eheim 300 Watt Thermocontrol Aquarium Heater

Eheim 300 Watt Thermocontrol Aquarium Heater

Regular price $52.95
Sale price $52.95 Regular price
Aquatop 200W Titanium Heater - THC200 view of all contents and components

Aquatop 200W Titanium Heater - THC200

Regular price $102.70
Sale price $102.70 Regular price
Aquatop 400W Titanium Heater - THC400 heater and controller and rest of components

Aquatop 400W Titanium Heater - THC400

Regular price $126.55
Sale price $126.55 Regular price
Marina Floating Thermometer

Marina Floating Thermometer

Regular price $3.15
Sale price $3.15 Regular price
Eheim 100 Watt Thermocontrol Aquarium Heater

Eheim 100 Watt Thermocontrol Aquarium Heater

Regular price $44.95
Sale price $44.95 Regular price
Aqueon Mini Heater - 10 Watt

Aqueon Mini Heater - 10 Watt

Regular price $21.10
Sale price $21.10 Regular price
Eheim 250 Watt Thermocontrol Aquarium Heater

Eheim 250 Watt Thermocontrol Aquarium Heater

Regular price $51.95
Sale price $51.95 Regular price
Eheim 200 Watt Thermocontrol Aquarium Heater

Eheim 200 Watt Thermocontrol Aquarium Heater

Regular price $51.95
Sale price $51.95 Regular price
Aqueon Pro Aquarium Heater - 200 Watt

Aqueon Pro Aquarium Heater - 200 Watt

Regular price $87.10
Sale price $87.10 Regular price
Eheim 125 Watt Thermocontrol Aquarium Heater

Eheim 125 Watt Thermocontrol Aquarium Heater

Regular price $43.95
Sale price $43.95 Regular price
Eheim Aquarium Heater Holder

Eheim Aquarium Heater Holder

Regular price $10.95
Sale price $10.95 Regular price
EcoPlus 1/4 HP Aquarium Chiller

EcoPlus 1/4 HP Aquarium Chiller

Regular price $888.95
Sale price $888.95 Regular price

Hold a Stable Temperature

Livestock handles a steady temperature far better than a swinging one. Most tanks need a heater to hold their setpoint through the night and cooler months; tanks that overheat under lights and pumps — or coldwater systems — need a chiller to pull heat back out. A thermometer keeps you honest either way. We carry temperature gear from Eheim, Aquatop, Aqueon, JBJ, and EcoPlus.

What's in This Collection

  • Heaters — titanium and glass aquarium heaters from nano wattages up to large systems.
  • Chillers — titanium heat-exchange chillers for reef, coldwater, and warm rooms.
  • Thermometers — floating, stick-on, and digital thermometers to monitor temperature.
  • Cooling fans — clip-on fans that shed a few degrees through evaporation.

Match heater wattage to your tank volume, and size a chiller to your system and room — undersizing either just means it runs constantly without holding target. Larger chillers ship as heavy freight; email info@jlaquatics.com before ordering so we can confirm delivery. J&L has kept Canadian tanks stable since 1997.

J&L Aquatics was formed in December 1997

Our business was started from our love of the aquarium hobby. We at J&L Aquatics felt that the Canadian aquarist should have the option to purchase top quality supplies, equipment and livestock other than the generally over priced local retail stores.