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Aquarium Heaters and Chillers

Underwater Treasures Floating Glass Thermometer - Pack of 12
$20.16 $24.19
Floating Glass Thermometers deliver accurate and easy-to-read temperature measurements in home or commercial aquariums. The unique floating design is equipped with a strong suction cup. Either secure the thermometer to the side of the tank in a convenient location or allow it to float freely on top of the water for a better picture of tank tempe...

Underwater Treasures Easy Read Thermometer
$6.31 $7.58
The Underwater Treasures Easy Read Thermometer is designed for use inside your aquarium. Simply position the Thermometer in your aquarium using the suction cup included. This battery operated thermometer is compact and fully submersible. It provides constant, accurate readings to ±1°F, and has a solid plastic casing to help prevent breakage.

Underwater Treasures Digital Thermometer - Pack of 12
$19.99 $23.99
The Underwater Treasures Digital Thermometer gives an accurate reading and features an easy-to-read green indicator, so you'll always be sure your tank is at the correct temperature. It displays temperatures in both Fahrenheit and Celsius, taking out the guess work, and offers a range of 18-34°C and 64-93°F. The thermometer adheres directly to t...

Sicce Jolly Submersible Mini Heater - 20 W
$27.90 $33.48
Sicce Jolly Submersible Mini Heater - 20 W

Sicce Jolly Submersible Mini Heater - 10 W
$24.36 $29.23
Sicce Jolly Submersible Mini Heater - 10 W

Seapora SmartTemp - Dual Digital Heater - 300 W
$60.05 $72.06
Seapora SmartTemp - Dual Digital Heater - 300 W

Seapora SmartTemp - Dual Digital Heater - 100 W
$50.60 $60.72
Seapora SmartTemp - Dual Digital Heater - 100 W

Seapora SmartTemp - Dual Digital Heater - 200 W
$53.72 $64.46
Seapora SmartTemp - Dual Digital Heater - 200 W

Seapora Quartz Heater - 300 W
$22.16 $26.59
Seapora Quartz Heater - 300 W

Seapora Quartz Heater - 200 W
$18.97 $22.76
Seapora Quartz Heater - 200 W

Seapora Quartz Heater - 100 W
$16.58 $19.89
Seapora Quartz Heater - 100 W

Seapora Mini Desktop Heater - 30 W
$11.17 $13.41
Seapora Mini Desktop Heater - 30 W

Seapora Digital Thermometer with Probe
$8.20 $9.84
Seapora Digital Thermometer with Probe

Penn Plax Standing Thermometer
$4.20
Penn Plax offers a variety of different styles of Aquarium Thermometers. Aquarium Thermometers are an important component for every aquarium set-up. The provide clear, accurate live temperature readings of your aquarium water's temperature, allowing the aquarium hobbyist to fine tune their heating system to provide the appropriate water temperat...

Penn Plax Stainless Steel Thermometer
$6.38
Penn Plax offers a variety of different styles of Aquarium Thermometers. Aquarium Thermometers are an important component for every aquarium set-up. The provide clear, accurate live temperature readings of your aquarium water's temperature, allowing the aquarium hobbyist to fine tune their heating system to provide the appropriate water temperat...

Penn Plax Heater Holder Suction Cups - 2 pk
$5.00
Heaters Holders & Guards. Penn Plax Suction Cup Heater Holder for standard sized glass aquarium heaters.

Lee's Heater Holders - 2 pk
$2.53 $3.04
Use to secure 1" heater tubing along your aquarium wall. Can also be used to secure 1" power filter siphon tubes or undergravel up-lift tubes.

Ista Twin Display Digital Thermometer
$12.04 $14.45
The Ista Twin Display Digital Thermometer is a simple, easy to use digital thermometer that will accurately read both the internal temperature of the aquarium and the indoor temperature of the surrounding environment. The thermometer can be adhered to the glass of the tank and functions in both Celsius and Fahrenheit.

Ista Mini Thermometer
$2.62 $3.14
This Mini Thermometer by Ista is the perfect device to use in nano or small aquariums, or to spot checking temperature when required. With the included suction cup you can easily affix it to any glass or acrylic surface, anywhere in your aquarium where it can be viewed easily for your convenience. This thermometer is a mere 3-inches in length an...

Marina Suction Cups for Thermometers/Airline Tubing - Small - 2 pk
$1.54 $1.85
Marina Small Thermometer Suction Cups can be used for securing thermometers and airline tubing within your aquarium environment.

Marina Suction Cups for Heaters (up to 3/4" dia.) - 2 pk
$1.95 $2.34
Marina Suction Cups are designed to hold heaters measuring up to 3/4" in diameter. Powerful, long-lasting suction keeps your heater securely in place.

Fluval E Advanced Electronic Heater - 300 W
$58.52
Simply the most technologically advanced heaters available today, the Fluval E series advanced electronic aquarium heater with VueTech technology delivers piece of mind by continuously displaying real-time water temperature. Equipped with an advanced digital microprocessor monitoring system with dual temperature sensors, the E series continuousl...

Fluval E Advanced Electronic Heater - 200 W
$55.87
Simply the most technologically advanced heaters available today, the Fluval E series advanced electronic aquarium heater with VueTech technology delivers piece of mind by continuously displaying real-time water temperature. Equipped with an advanced digital microprocessor monitoring system with dual temperature sensors, the E series continuousl...

Fluval E Advanced Electronic Heater - 100 W
$53.20
Simply the most technologically advanced heaters available today, the Fluval E series advanced electronic aquarium heater with VueTech technology delivers piece of mind by continuously displaying real-time water temperature. Equipped with an advanced digital microprocessor monitoring system with dual temperature sensors, the E series continuousl...