Aquarium Heaters and Chillers

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Eheim ClimaControl+ Wifi Controlled Optimal Water Climate Controller
Eheim ClimaControl+ Wifi Controlled Optimal Water Climate Controller - Large - Up to 528 Gallons
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Eheim ClimaControl+ Wifi Controlled Optimal Water Climate Controller

From $1,660.50
$2,025.81
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Aqueon Aquatic Flat Heater - 7.5 W
Aqueon Aquatic Flat Heater - 7.5 W
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Aqueon Aquatic Flat Heater - 7.5 W

$14.95
$17.94
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Fluval M-100 Premium Glass Submersible Aquarium Heater - 100 Watt - Up to 30 Gallons
Fluval M-100 Premium Glass Submersible Aquarium Heater - 100 Watt - Up to 30 Gallons
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Fluval M-100 Premium Glass Submersible Aquarium Heater - 100 Watt - Up to 30 Gallons

$32.99
$39.59
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Hagen Marina Stainless Steel Aquarium Thermometer
Hagen Marina Stainless Steel Aquarium Thermometer
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Hagen Marina Stainless Steel Aquarium Thermometer

$2.76
$3.36
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Hagen Marina Plastic Aquarium Thermometer with Suction Cup
Hagen Marina Plastic Aquarium Thermometer with Suction Cup
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Hagen Marina Plastic Aquarium Thermometer with Suction Cup

$2.69
$3.28
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Hagen Marina Deluxe Floating Thermometer with Suction Cup
Hagen Marina Deluxe Floating Thermometer with Suction Cup
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Hagen Marina Deluxe Floating Thermometer with Suction Cup

$2.53
$3.09
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Hagen Marina Betta Submersible Aquarium Heater - Up to 1.5 Gallons - 8 Watt
Hagen Marina Betta Submersible Aquarium Heater - Up to 1.5 Gallons - 8 Watt
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Hagen Marina Betta Submersible Aquarium Heater - Up to 1.5 Gallons - 8 Watt

$11.54
$14.07
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Hagen Marina Betta Floating Thermometer with Suction Cup
Hagen Marina Betta Floating Thermometer with Suction Cup
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Hagen Marina Betta Floating Thermometer with Suction Cup

$1.61
$1.96
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Fluval T50 T-Series Submersible Digital Aquarium Water Heater - 50 Watt - Up To 15 Gallons
Fluval T50 T-Series Submersible Digital Aquarium Water Heater - 50 Watt - Up To 15 Gallons
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Fluval T50 T-Series Submersible Digital Aquarium Water Heater - 50 Watt - Up To 15 Gallons

$46.40
$56.60
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Fluval T300 T-Series Submersible Digital Aquarium Water Heater - 300 Watt - Up To 80 Gallons
Fluval T300 T-Series Submersible Digital Aquarium Water Heater - 300 Watt - Up To 80 Gallons
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Fluval T300 T-Series Submersible Digital Aquarium Water Heater - 300 Watt - Up To 80 Gallons

$54.59
$66.59
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Fluval T200 T-Series Submersible Digital Aquarium Water Heater - 200 Watt - Up To 65 Gallons
Fluval T200 T-Series Submersible Digital Aquarium Water Heater - 200 Watt - Up To 65 Gallons
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Fluval T200 T-Series Submersible Digital Aquarium Water Heater - 200 Watt - Up To 65 Gallons

$51.86
$63.26
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Fluval T150 T-Series Submersible Digital Aquarium Water Heater - 150 Watt - Up To 45 Gallons
Fluval T150 T-Series Submersible Digital Aquarium Water Heater - 150 Watt - Up To 45 Gallons
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Fluval T150 T-Series Submersible Digital Aquarium Water Heater - 150 Watt - Up To 45 Gallons

$50.04
$61.04
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Fluval T100 T-Series Submersible Digital Aquarium Water Heater - 100 Watt - Up To 30 Gallons
Fluval T100 T-Series Submersible Digital Aquarium Water Heater - 100 Watt - Up To 30 Gallons
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Fluval T100 T-Series Submersible Digital Aquarium Water Heater - 100 Watt - Up To 30 Gallons

$48.22
$58.82
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Fluval P-Series P50 Pre-Set Submersible Aquarium Heater - 50 Watt - Up to 15 Gallons
Fluval P-Series P50 Pre-Set Submersible Aquarium Heater - 50 Watt - Up to 15 Gallons
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Fluval P-Series P50 Pre-Set Submersible Aquarium Heater - 50 Watt - Up to 15 Gallons

$25.47
$31.07
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Fluval P-Series P25 Pre-Set Submersible Aquarium Heater - 25 Watt - Up to 6 Gallons
Fluval P-Series P25 Pre-Set Submersible Aquarium Heater - 25 Watt - Up to 6 Gallons
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Fluval P-Series P25 Pre-Set Submersible Aquarium Heater - 25 Watt - Up to 6 Gallons

$21.83
$26.63
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Fluval M-50 Premium Glass Submersible Aquarium Heater - 50 Watt - Up to 15 Gallons
Fluval M-50 Premium Glass Submersible Aquarium Heater - 50 Watt - Up to 15 Gallons
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Fluval M-50 Premium Glass Submersible Aquarium Heater - 50 Watt - Up to 15 Gallons

$30.99
$37.19
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Fluval M-300 Premium Glass Submersible Aquarium Heater - 300 Watt - Up to 80 Gallons
Fluval M-300 Premium Glass Submersible Aquarium Heater - 300 Watt - Up to 80 Gallons
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Fluval M-300 Premium Glass Submersible Aquarium Heater - 300 Watt - Up to 80 Gallons

$38.99
$46.79
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Fluval M-150 Premium Glass Submersible Aquarium Heater - 150 Watt - Up to 45 Gallons
Fluval M-150 Premium Glass Submersible Aquarium Heater - 150 Watt - Up to 45 Gallons
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Fluval M-150 Premium Glass Submersible Aquarium Heater - 150 Watt - Up to 45 Gallons

$34.99
$41.99
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Eheim Jager 3611 TrueTemp Submersible Aquarium Heater - 9 Inch - 25 Watts - Up to 7 Gallons
Eheim Jager 3611 TrueTemp Submersible Aquarium Heater - 9 Inch - 25 Watts - Up to 7 Gallons
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Eheim Jager 3611 TrueTemp Submersible Aquarium Heater - 9 Inch - 25 Watts - Up to 7 Gallons

$28.20
$34.40
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Aquatop Submersible Titanium Heater and External Thermostat with Digital Controller
Aquatop Submersible Titanium Heater and External Thermostat with Digital Controller - 300 Watt
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Aquatop Submersible Titanium Heater and External Thermostat with Digital Controller

From $59.63
$72.74
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Aqueon Submersible Aquarium Heater - Up To 20 gal - 50 W
Aqueon Submersible Aquarium Heater - Up To 20 gal - 50 W
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Aqueon Submersible Aquarium Heater - Up To 20 gal - 50 W

$37.95
$45.54
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LCR Hallcrest Liquid Crystal Vertical Aquarium Thermometer - Small
LCR Hallcrest Liquid Crystal Vertical Aquarium Thermometer - Small
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LCR Hallcrest Liquid Crystal Vertical Aquarium Thermometer - Small

$2.30
$2.76
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Aquatop Titanium Submersible Heater with Controller Submersible Fish Tank Heater - 500 Watt
Aquatop Titanium Submersible Heater with Controller Submersible Fish Tank Heater - 500 Watt
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Aquatop Titanium Submersible Heater with Controller Submersible Fish Tank Heater - 500 Watt

$114.99
$137.99
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Marineland Precision Submersible Heater Submersible Fish Tank Heater - 300 Watt
Marineland Precision Submersible Heater Submersible Fish Tank Heater - 300 Watt
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Marineland Precision Submersible Heater Submersible Fish Tank Heater - 300 Watt

$46.82
$56.18
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Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 400 Watt
Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 400 Watt
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Aquatop Premier Glass Heater with Protective Guard Submersible Fish Tank Heater - 400 Watt

$29.99
$35.99
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Aquatop Submersible Glass Heater Submersible Fish Tank Heater - 150 Watt
Aquatop Submersible Glass Heater Submersible Fish Tank Heater - 150 Watt
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Aquatop Submersible Glass Heater Submersible Fish Tank Heater - 150 Watt

$24.99
$29.99
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Aquatop Pisces Nano Heater with Thermostat Submersible Fish Tank Heater - Black - 10 Watt
Aquatop Pisces Nano Heater with Thermostat Submersible Fish Tank Heater - Black - 10 Watt
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Aquatop Pisces Nano Heater with Thermostat Submersible Fish Tank Heater - Black - 10 Watt

$15.99
$19.19
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Aquatop Submersible Glass Heater Submersible Fish Tank Heater - 250 Watt
Aquatop Submersible Glass Heater Submersible Fish Tank Heater - 250 Watt
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Aquatop Submersible Glass Heater Submersible Fish Tank Heater - 250 Watt

$27.99
$33.59

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.