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Amazon Best Sellers
Our most popular products based on sales. Updated hourly.
Best Sellers in
Aquarium Heaters & Chillers
#1
Orlushy Submersible Aquarium Heater,100W/150W/200W/300W Fish Tahk Heater with Adjust Knob Thermostat 2 Suction Cups and Free Thermometer Suitable for Marine Saltwater and Freshwater
4.5 out of 5 stars
1,856
$17.99
-
$29.99
#2
FREESEA Aquarium Heater Fish Tank Submersible Heater (50W/75W/100W) with LED Temperature Display
4.4 out of 5 stars
3,308
$18.99
-
$23.99
#3
Aqueon Preset Heater
4.4 out of 5 stars
876
$13.37
-
$31.91
#4
Eheim Jager Aquarium Thermostat Heater
4.4 out of 5 stars
3,310
$22.21
-
$58.64
#5
HITOP 25W 50W 100W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat with Suction Cup
4.4 out of 5 stars
1,089
$14.89
#6
FREESEA 25/50/100/200/300 Watt Aquarium Heater with Aquarium Submersible Thermometer
4.3 out of 5 stars
3,013
$15.99
-
$23.99
#7
Aqueon 100101230 Flat Submersible Heater, Black,7.5W, up to 3 gallon
4.0 out of 5 stars
972
$7.99
-
$22.05
#8
Tetra 26445 Fauna Aquatic Reptile Heater For Frogs, Newts & Turtles,100 Watt,green
4.3 out of 5 stars
2,450
$16.97
#9
Marineland Precision Heater for Saltwater or Freshwater Aquariums
4.1 out of 5 stars
1,437
$17.31
-
$73.88
#10
PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks
4.5 out of 5 stars
1,513
$15.88
#11
Mylivell Aquarium Heater Submersible Auto Thermostat Fish Tank Water Heater and Adjustable Temperature with Suction Cups
4.5 out of 5 stars
1,710
$15.99
-
$17.99
#12
VIVOSUN 50W-500W Aquarium Heater Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display and External Temperature Controller
4.4 out of 5 stars
1,399
$22.99
-
$26.99
#13
Fluval M Submersible Heater
4.7 out of 5 stars
1,728
$29.48
-
$49.36
#14
This item is no longer available
#15
Betta Fish Tank Heater, 25W Mini Aquarium Heaters with 2 Artificial Plants 1 Stick-on Thermometer Strip Energy-efficient Water Warmer Temperature Controller Smart Thermostat for 3-5 Gallon Tank
4.4 out of 5 stars
915
$13.56
#16
Orlushy Mini Aquarium Heater 50W 100W 150W,Small Fish Tank Heater with LED Digital Temperature Display and External Temperature Controller for Betta Frogs Newts Turtles
4.4 out of 5 stars
2,387
$16.99
-
$22.99
#17
hygger 50W 100W Submersible Digital Display Mini Aquarium Heater for Small Fish Tank, Compact and Fast Heating Thermostat, with External Controller and Built-in Thermometer, for Betta Turtle
4.3 out of 5 stars
966
$19.99
-
$23.99
#18
Zacro Aquarium Heater, 100W Submersible Digital Display Mini Fish Tank Heater with Intelligent LED Temperature Display and External Temperature Controller, for 10-20gal Fish Tank
4.5 out of 5 stars
43
$20.99
#19
Aquarium Heater, 100W 300W 500w Submersible Fish Tank Heater with Titanium Tube Thermostat System LED Digital Play and Remote Controller for 50-80 Gallon Tank
4.4 out of 5 stars
418
$20.45
-
$37.45
#20
Inkbird ITC-306T Pre-Wired Electronic Heating Thermostat Temperature Controller and 24 Hours Digital Day & Night Cycle Timer Controller for Seed Germination Reptiles Hatching
4.5 out of 5 stars
1,025
$29.99
#21
Bnzaq Fish Tank Aquarium Heater - Adjustable Temperature Submersible Thermostat Heater,25W/50W/100W/150W/200W/300W
4.4 out of 5 stars
537
$11.99
-
$15.99
#22
Marina Betta Fish Submersible Heater for Fish Tank Aquarium, 1.5 gallons, 11182
4.2 out of 5 stars
2,802
$9.74
#23
Cobalt Aquatics Flat Neo-Therm Heater with Adjustable Thermostat (Fully-Submersible, Shatterproof Design) from 25W to 300W
4.2 out of 5 stars
1,462
$55.60
-
$240.79
#24
U-picks Submersible Aquarium Heater 100W/300W/500W Fish Tank Heater with Intelligent External LED Digital Temperature Controller and Dual Temp Displays for Turtle Betta Fish Tank 5-130 Gallon
4.3 out of 5 stars
165
$24.99
-
$39.99
#25
LUYS Aquarium Heater, Upgraded 300W/500W Fish Tank Heater with Intelligent Leaving Water Automatically Stop Heating and Over Temperature Protection System, Suitable for Marine Saltwater and Freshwater
4.7 out of 5 stars
135
$39.99
-
$49.99
#26
auomii Mini Submersible Aquarium Heater, 50W/100W Small Fish Tank Heater, Built-in Thermometer, 2 LED Temperature Display, External Temperature Controller, Intelligent Frequency Conversion
4.3 out of 5 stars
54
$18.99
-
$23.89
#27
PULACO 25W Mini Aquarium Heater, Betta Fish Tank Heater for 1-5 Gallon Small Fish Tanks
4.2 out of 5 stars
61
$18.99
#28
AQQA Submersible Aquarium Heater,100W/200W/300W/500W/800W Fish Tank Heater,External Temperature Controller LED Temperature Display with 2 Suction Cups Suitable for Marine Saltwater and Freshwater
4.7 out of 5 stars
90
$37.99
-
$75.99
#29
Hygger Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Betta Fish Tank Thermostat 50W/100W
4.4 out of 5 stars
522
$20.99
-
$21.99
#30
Uniclife Aquarium Heater Submersible with Thermometer, 50 Watt for 10 Gallon Fish Tank
4.5 out of 5 stars
48
$14.99
#31
HITOP 50W 100W 300W Adjustable Aquarium Heater, Submersible Fish Tank Heater, Thermostat for Turtle Tank
4.5 out of 5 stars
146
$13.99
-
$14.99
#32
K&H Pet Products Perfect Bucket Heater w/ Cord Clip Gray 5" 80W
4.4 out of 5 stars
412
$38.79
#33
NICREW Preset Aquarium Heater, Submersible Fish Tank Heater with Electronic Thermostat, UL Listed
4.4 out of 5 stars
719
$14.79
-
$18.99
#34
Hitop 50W 100W 300W Submersible Adjustable Aquarium Heater, for 5 – 50 Gallon Fish Tank
4.5 out of 5 stars
287
$15.99
-
$18.99
#35
HITOP100W 200W 300W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat with Suction Cup
4.5 out of 5 stars
548
$13.99
-
$15.99
#36
100W/300W/500W/800W Submersible Aquarium Heater,Fish Tank Heater,Intelligent Temp Probe with External Temperature Controller and Dual Temperature Display,Suitable for Marine Saltwater and Freshwater
4.5 out of 5 stars
2
$25.29
-
$41.29
#37
GMsound Aquarium Heater Submersible Fish Tank Water Heater Thermostat
4.5 out of 5 stars
478
$14.99
-
$17.99
#38
Orlushy 100W/150W/200W/300W/500W Submersible Aquarium Heater, Fish Tank Heater with Adjustable Temperature and 2 Suction Cups 6ft Power Cord
4.5 out of 5 stars
169
$16.98
-
$28.98
#39
YukiHalu Small Size Submersible Aquarium Heater, 1℉ Accuracy, Mini Fish Tank Heater 50W 100W with Built-in Thermometer, Dual LED Temperature Display, External Temperature Controller
4.5 out of 5 stars
20
$19.99
-
$21.99
#40
Uniclife Aquarium Heater Submersible with Thermometer, 25 Watt for 5 Gallon Fish Tank
4.4 out of 5 stars
117
$13.89
#41
BOEESPAT Aquarium Heater 300W Fish Tank Heater with Anti Scald Protector and Aquarium Thermometer Suitable for Saltwater and Freshwater (30 to 60 gallons)
4.5 out of 5 stars
65
$23.99
#42
HITOP Adjustable Submersible Aquarium Heater, 50W 100W 120W Fish Tank Heater for 10-35 Gallon Tank
4.4 out of 5 stars
447
$14.99
#43
boxtech Aquarium Heater, 50W/100W/300W Explosion Proof Submersible Thermostat with Adjust Knob and 2 Suction Cups Suit Marine Saltwater and Freshwater
4.3 out of 5 stars
567
$20.99
-
$31.99
#44
hygger 500W 800W Aquarium Heater, Submersible Fish Tank Water Heater with External Color LED Digital Temperature Controller, Fast Heating for 60~180 Gallon for Saltwater and Freshwater
4.5 out of 5 stars
197
$76.99
-
$86.99
#45
HITOP Adjustable PTC Aquarium Heater, 100W 200W 300W Submersible Fish Tank Heater for 10-120Gal Freshwater and Saltwater Fish Tank
4.5 out of 5 stars
388
$27.99
-
$34.89
#46
FEDOUR Adjustable Aquarium Heater with Protective Cover, 30W 50W 60W 120W Submersible Heater Thermostat for 5-40Gallon Fish and Turtle Tank
4.4 out of 5 stars
141
$14.99
-
$16.99
#47
SALUTE Aquarium Heater Submersible Auto Thermostat Heater, (50W/100W/200W/300W) Fish Tank Heater and Adjustable Temperature with 2 Suction Cups Suitable for 10-115 Gallon Fish Tank
4.5 out of 5 stars
389
$13.99
-
$16.99
#48
Mylivell Aquarium Heater Submersible Auto Thermostat Fish Tank Water Heater and Adjustable Temperature with Suction Cups and Protective case
4.2 out of 5 stars
110
$13.99
-
$15.99
#49
Uniclife Preset Aquarium Heater Submersible 50W/250 W with Electronic Thermostat Fish Tank Heater for 10/80 Gallon
4.2 out of 5 stars
202
$12.99
-
$16.99
#50
Inkbird 1200 Watts Digital Temperature Controller Aquarium Thermostat for Aquarium Heater, with Waterproof Sensor
4.4 out of 5 stars
316
$48.99
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