Aquarium Heaters and Chillers

Sale
Underwater Treasures Easy Read Thermometer
Underwater Treasures Easy Read Thermometer
Quick View

Underwater Treasures Easy Read Thermometer

$8.69
$10.42
Sale
Aquatop Submersible Glass Heater Submersible Fish Tank Heater - 75 Watt
Aquatop Submersible Glass Heater Submersible Fish Tank Heater - 75 Watt
Quick View

Aquatop Submersible Glass Heater Submersible Fish Tank Heater - 75 Watt

$19.99
$23.99
Sale
Aqueon Preset Aquarium Heater - Black - 150 W
Aqueon Preset Aquarium Heater - Black - 150 W
Quick View

Aqueon Preset Aquarium Heater - Black - 150 W

$26.87
$32.25
Sale
Aquatop Titanium Submersible Heater with Controller Submersible Fish Tank Heater - 400 Watt
Aquatop Titanium Submersible Heater with Controller Submersible Fish Tank Heater - 400 Watt
Quick View

Aquatop Titanium Submersible Heater with Controller Submersible Fish Tank Heater - 400 Watt

$104.99
$125.99
Sale
Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 200 Watt
Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 200 Watt
Quick View

Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 200 Watt

$23.99
$28.79
Sale
Ista Twin Display Digital Thermometer
Ista Twin Display Digital Thermometer
Quick View

Ista Twin Display Digital Thermometer

$14.54
$17.44
Sale
Seapora Mini Desktop Heater - 30 W
Seapora Mini Desktop Heater - 30 W
Quick View

Seapora Mini Desktop Heater - 30 W

$12.86
$15.43
Sale
Aquatop Pisces Nano Heater with Thermostat Submersible Fish Tank Heater - Black - 25 Watt
Aquatop Pisces Nano Heater with Thermostat Submersible Fish Tank Heater - Black - 25 Watt
Quick View

Aquatop Pisces Nano Heater with Thermostat Submersible Fish Tank Heater - Black - 25 Watt

$15.99
$19.19
Sale
Eheim Jager Heater Double Suction Holder
Eheim Jager Heater Double Suction Holder
Quick View

Eheim Jager Heater Double Suction Holder

$7.44
$8.93
Sale
Aqueon Preset Heater - 50 W
Aqueon Preset Heater - 50 W
Quick View

Aqueon Preset Heater - 50 W

$21.73
$26.08
Sale
Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 300 Watt
Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 300 Watt
Quick View

Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 300 Watt

$26.99
$32.39
Sale
Aquatop Submersible Glass Heater Submersible Fish Tank Heater - 300 Watt
Aquatop Submersible Glass Heater Submersible Fish Tank Heater - 300 Watt
Quick View

Aquatop Submersible Glass Heater Submersible Fish Tank Heater - 300 Watt

$29.99
$35.99
Sale
Ista Mini Thermometer
Ista Mini Thermometer
Quick View

Ista Mini Thermometer

$3.59
$4.31
Sale
Eheim thermocontrol e - 300 W
Eheim thermocontrol e - 300 W
Quick View

Eheim thermocontrol e - 300 W

$84.65
$101.57
Sale
Eheim Jager TruTemp Submersible Heater - 150 W
Eheim Jager TruTemp Submersible Heater - 150 W
Quick View

Eheim Jager TruTemp Submersible Heater - 150 W

$38.45
$46.13
Sale
Aqueon Aquatic Flat Heater - 5 W
Aqueon Aquatic Flat Heater - 5 W
Quick View

Aqueon Aquatic Flat Heater - 5 W

$14.45
$17.34
Sale
Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 50 Watt
Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 50 Watt
Quick View

Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 50 Watt

$19.99
$23.99
Sale
LCR Hallcrest Liquid Crystal Vertical Aquarium Thermometer - Large
LCR Hallcrest Liquid Crystal Vertical Aquarium Thermometer - Large
Quick View

LCR Hallcrest Liquid Crystal Vertical Aquarium Thermometer - Large

$2.76
$3.31
Sale
Seapora SmartTemp - Dual Digital Heater - 100 W
Seapora SmartTemp - Dual Digital Heater - 100 W
Quick View

Seapora SmartTemp - Dual Digital Heater - 100 W

$56.67
$68
Sale
Underwater Treasures Floating Glass Thermometer - Pack of 12
Underwater Treasures Floating Glass Thermometer - Pack of 12
Quick View

Underwater Treasures Floating Glass Thermometer - Pack of 12

$24.84
$29.81
Sale
Seapora Quartz Heater - 300 W
Seapora Quartz Heater - 300 W
Quick View

Seapora Quartz Heater - 300 W

$25.64
$30.76
Sale
Underwater Treasures Digital Thermometer - Pack of 12
Underwater Treasures Digital Thermometer - Pack of 12
Quick View

Underwater Treasures Digital Thermometer - Pack of 12

$28.44
$34.13
Sale
Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 100 Watt
Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 100 Watt
Quick View

Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 100 Watt

$21.99
$26.39
Sale
Aqueon Aquatic Flat Heater - 15 W
Aqueon Aquatic Flat Heater - 15 W
Quick View

Aqueon Aquatic Flat Heater - 15 W

$17.95
$21.54
Sale
Aqueon Aquatic Flat Heater - 7.5 W
Aqueon Aquatic Flat Heater - 7.5 W
Quick View

Aqueon Aquatic Flat Heater - 7.5 W

$14.95
$17.94
Sale
Aqueon Mini Heater - 10 W
Aqueon Mini Heater - 10 W
Quick View

Aqueon Mini Heater - 10 W

$19.26
$23.11
Sale
Aquatop Titanium Submersible Heater with Controller Submersible Fish Tank Heater - 500 Watt
Aquatop Titanium Submersible Heater with Controller Submersible Fish Tank Heater - 500 Watt
Quick View

Aquatop Titanium Submersible Heater with Controller Submersible Fish Tank Heater - 500 Watt

$114.99
$137.99
Sale
Aqueon Preset Heater - 100 W
Aqueon Preset Heater - 100 W
Quick View

Aqueon Preset Heater - 100 W

$27.48
$32.98

Aquarium Heaters and Chillers are crucial for maintaining stable water temperatures in your aquarium. Our selection includes reliable heaters and chillers that cater to the specific needs of different fish species and tank sizes. Heaters ensure your tropical fish stay warm, while chillers keep the water cool for cold-water species. Proper temperature control prevents stress and promotes the health and well-being of your aquatic pets. Explore our range of heaters and chillers to find the perfect temperature control solutions for your aquarium.