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    4. Aquarium Heaters & Chillers
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    Aquarium Heaters & Chillers

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    Shop by Tank Capacity

    Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by Tank Capacity

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    Best Selling

    See All - Best Selling

    Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Best Selling

    • Heater 500w Aquarium 500 Watts Submersible Freshwater Marine Adjustable 100g
      Heater 500w Aquarium 500 Watts Submersible Freshwater Marine Adjustable 100g
      4.5 out of 5 stars
      (70)Total Ratings 70,
      $16.95 New
    • Heater 100w 100 Watts Aquarium Fish Tank Submersible 10 20g Freshwater Saltwater
      Heater 100w 100 Watts Aquarium Fish Tank Submersible 10 20g Freshwater Saltwater
      4.7 out of 5 stars
      (128)Total Ratings 128,
      $10.95 New
    • Fluval E Advanced Electronic Aquarium Heater 300 Watt - A774
      Fluval E Advanced Electronic Aquarium Heater 300 Watt - A774
      4.7 out of 5 stars
      (39)Total Ratings 39,
      $55.99 New
    • Odyssea 300W Aquarium Heater Submersible
      Odyssea 300W Aquarium Heater Submersible
      4.8 out of 5 stars
      (151)Total Ratings 151,
      $13.95 New
    • Cobalt International CB00212 150 W Neo-Therm Heaters
      Cobalt International CB00212 150 W Neo-Therm Heaters
      5 out of 5 stars
      (6)Total Ratings 6,
      $70.95 New
    • Cobalt Aquatics Neo-therm Heater 100 Watt Ship
      Cobalt Aquatics Neo-therm Heater 100 Watt Ship
      5 out of 5 stars
      (2)Total Ratings 2,
      $64.95 New
    • Aqueon Pro 200 200w CALIBRATED Adjustable Aquarium Heater 100532086
      Aqueon Pro 200 200w CALIBRATED Adjustable Aquarium Heater 100532086
      4.3 out of 5 stars
      (7)Total Ratings 7,
      $29.00 New
    • Aqueon Submersible Aquarium Heater 150w up to 55 Gallon
      Aqueon Submersible Aquarium Heater 150w up to 55 Gallon
      4.7 out of 5 stars
      (3)Total Ratings 3,
      $17.00 New
      $14.99 Used
    • All

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    List View

    1-48 of 7,569 Results

    • 25/50/100/200/300W Aquarium Heater with Cover Guard Anti-Explosion Fish Tank

      25/50/100/200/300W Aquarium Heater with Cover Guard Anti-Explosion Fish Tank

      $10.99 to $15.19
      Free shipping
      2,113 sold
    • Aquaneat Aquarium Heater 25-500W Anti-Explosion for Tropical Fish Tank 5-100 gal

      Aquaneat Aquarium Heater 25-500W Anti-Explosion for Tropical Fish Tank 5-100 gal

      $11.59 to $14.69
      Free shipping
      2,215 sold
    • Aquarium Heater Submersible Freshwater Marine Tropical Fish Tank Adjustable Knob

      Aquarium Heater Submersible Freshwater Marine Tropical Fish Tank Adjustable Knob

      $10.89 to $21.98
      Free shipping
      4,183 sold
    • 400W Adjustable Submersible Heater Aquarium Fish Tank Temperature Thermostat USA

      400W Adjustable Submersible Heater Aquarium Fish Tank Temperature Thermostat USA

      $21.99
      Was: $28.99
      Free shipping
      or Best Offer
    • VIVOSUN Submersible Aquarium Heater 25W Mini Fish Tank Heaters Intelligent LED

      VIVOSUN Submersible Aquarium Heater 25W Mini Fish Tank Heaters Intelligent LED

      $16.14
      Was: $16.99
      Free shipping
      or Best Offer
    • Aquarium Heater Submersible Marine Tropical Fish Tank Adjustable Knob with Cover

      Aquarium Heater Submersible Marine Tropical Fish Tank Adjustable Knob with Cover

      $12.98 to $13.98
      Free shipping
      36 sold
    • Simple Deluxe Submersible Aquarium Heater Fish Tank Heating for Salt and Water

      Simple Deluxe Submersible Aquarium Heater Fish Tank Heating for Salt and Water

      $24.99 to $26.99
      Free shipping
      126 sold
    • Heater 300W Watts Submersible Fish Tank Aquarium Freshwater Marine 60 75G

      Heater 300W Watts Submersible Fish Tank Aquarium Freshwater Marine 60 75G

      5 out of 5 stars
      (153)153 product ratings - Heater 300W Watts Submersible Fish Tank Aquarium Freshwater Marine 60 75G
      $13.95
      Free shipping
      6,799 sold
    • Heater 100W 100 Watts Aquarium Fish Tank Submersible 10 20G Freshwater Saltwater

      Heater 100W 100 Watts Aquarium Fish Tank Submersible 10 20G Freshwater Saltwater

      4.5 out of 5 stars
      (128)128 product ratings - Heater 100W 100 Watts Aquarium Fish Tank Submersible 10 20G Freshwater Saltwater
      $10.95
      Free shipping
      7,624 sold
    • 2 pcs 300W Aquarium Heater for Freshwater Saltwater 60 to 100 gal

      2 pcs 300W Aquarium Heater for Freshwater Saltwater 60 to 100 gal

      $22.44
      Free shipping
      7,563 sold
    • Aquarium Heater Submersible Fish Tank Thermostat w/ Adjust Knob 2pcs 5-150 gal

      Aquarium Heater Submersible Fish Tank Thermostat w/ Adjust Knob 2pcs 5-150 gal

      $19.88 to $35.19
      Free shipping
      3,009 sold
    • 300W Aquarium Heater Temperature Dial Control Submersible Fish Tank Rod

      300W Aquarium Heater Temperature Dial Control Submersible Fish Tank Rod

      $13.89
      Free shipping
      5,569 sold
    • 50W 100W 200W Aquarium Submersible Fish Tank Water Heater Rod 10-20 Gallons US

      50W 100W 200W Aquarium Submersible Fish Tank Water Heater Rod 10-20 Gallons US

      $10.10 to $12.89
      Was: $13.86
      Free shipping
    • AQUANEAT® 25W Submersible Heater Tropical Fish 5 to 8 gal Aquarium

      AQUANEAT® 25W Submersible Heater Tropical Fish 5 to 8 gal Aquarium

      $10.89
      Free shipping
      2,331 sold
    • 50W Aquarium Fish Tank Heater Submersible 10-20 Gallons Freshwater Saltwater US

      50W Aquarium Fish Tank Heater Submersible 10-20 Gallons Freshwater Saltwater US

      $10.96
      Was: $11.79
      Free shipping
    • Aqueon Preset Heater 200 Watt Compact Size Good For Up To 55 Gallon Tank

      Aqueon Preset Heater 200 Watt Compact Size Good For Up To 55 Gallon Tank

      $17.00
      Free shipping
    • Eheim Jager Aquarium Heater-  Fully Submersible! (Pick your Size) 50W to 300W

      Eheim Jager Aquarium Heater- Fully Submersible! (Pick your Size) 50W to 300W

      $32.99 to $38.99
      Free shipping
      28 sold
    • Anti-Explosion Aquarium 50-200W Adjustable Heater for Fish Tank 10 to 53 Gallons

      Anti-Explosion Aquarium 50-200W Adjustable Heater for Fish Tank 10 to 53 Gallons

      $10.97 to $13.06
      Was: $11.55
      Free shipping
      34 sold
    • 2pcs Heater 500W Aquarium Fish Tank Submersible Adjustable Odyssea 500 Watts

      2pcs Heater 500W Aquarium Fish Tank Submersible Adjustable Odyssea 500 Watts

      $29.95
      Free shipping
    • AquaEuro 1/13-HP Max Aquarium Chiller

      AquaEuro 1/13-HP Max Aquarium Chiller

      $94.00
      $38.00 shipping
      13 bids · Ending Thursday at 10:20AM PST3d 22h
    • JW Fusion Smart Temp Thermometer   Free Shipping

      JW Fusion Smart Temp Thermometer Free Shipping

      $5.95
      FAST 'N FREE
      145 sold
    • Zoo Med Reptitherm Under Tank Heater - 50-60 Gallons Terrarium Size - #RH-6

      Zoo Med Reptitherm Under Tank Heater - 50-60 Gallons Terrarium Size - #RH-6

      4.5 out of 5 stars
      (17)17 product ratings - Zoo Med Reptitherm Under Tank Heater - 50-60 Gallons Terrarium Size - #RH-6
      $22.95
      Free shipping
    • Cobalt Neo-Therm Plastic LED Heater 100 watt

      Cobalt Neo-Therm Plastic LED Heater 100 watt

      5 out of 5 stars
      (2)2 product ratings - Cobalt Neo-Therm Plastic LED Heater 100 watt
      $64.95
      Free shipping
    • Ebo Jager Heater 50 Watt - Eheim

      Ebo Jager Heater 50 Watt - Eheim

      5 out of 5 stars
      (9)9 product ratings - Ebo Jager Heater 50 Watt - Eheim
      $20.95
      FAST 'N FREE
      Only 1 left!
    • Hygger Pinpoint Quartz Fish Aquarium Heater ICTemp Controller HG-925

      Hygger Pinpoint Quartz Fish Aquarium Heater ICTemp Controller HG-925

      $25.00
      $11.10 shipping
    • Cobalt Neo-Therm Plastic LED Heater 75 watt

      Cobalt Neo-Therm Plastic LED Heater 75 watt

      $64.95
      Free shipping
    • VIVOSUN Aquarium Heater 50-400W Anti-Explosion for Tropical Fish Tank 5-100 gal

      VIVOSUN Aquarium Heater 50-400W Anti-Explosion for Tropical Fish Tank 5-100 gal

      $21.65 to $24.36
      Was: $24.69
      Free shipping
      9 watching
    • Fluval M 300watt Submersible Heater,  by Fluval SEA

      Fluval M 300watt Submersible Heater, by Fluval SEA

      $28.99
      $6.40 shipping
      Only 1 left!
    • VIVOSUN 4 Gallon Battery Electric Pump Sprayer Powered Backpack Sprayer Four Noz

      VIVOSUN 4 Gallon Battery Electric Pump Sprayer Powered Backpack Sprayer Four Noz

      5 out of 5 stars
      (5)5 product ratings - VIVOSUN 4 Gallon Battery Electric Pump Sprayer Powered Backpack Sprayer Four Noz
      $85.49
      Was: $89.99
      Free shipping
      or Best Offer
      75 sold
    • FLUVAL  M50 SUBMERSIBLE GLASS AQUARIUM HEATER 50 WATT  HAGEN A-781

      FLUVAL M50 SUBMERSIBLE GLASS AQUARIUM HEATER 50 WATT HAGEN A-781

      5 out of 5 stars
      (11)11 product ratings - FLUVAL M50 SUBMERSIBLE GLASS AQUARIUM HEATER 50 WATT HAGEN A-781
      $21.00
      FAST 'N FREE
    • INKBIRD-BULK REEF SUPPLY- THERMOSTAT CONTROLLER BRACKET-FRESHWATER-SALTWATER

      INKBIRD-BULK REEF SUPPLY- THERMOSTAT CONTROLLER BRACKET-FRESHWATER-SALTWATER

      $9.99
      $4.20 shipping
    • Marina 200 watt submersible aquarium heater

      Marina 200 watt submersible aquarium heater

      $17.00
      Free shipping
      or Best Offer
      8 watching
    • FISH TANK  SUPPLIES w/ Four SUBMERSIBLE AQUARIUM HEATERS and MORE ... 

      FISH TANK  SUPPLIES w/ Four SUBMERSIBLE AQUARIUM HEATERS and MORE ... 

      $28.50
      $15.97 shipping
      Benefits charity
      8 bids · Ending Tuesday at 1:45PM PST2d 1h
    • AQUEON SUBMERSIBLE AQUARIUM HEATER 50W NEW!

      AQUEON SUBMERSIBLE AQUARIUM HEATER 50W NEW!

      $15.00
      Free shipping
      4 watching
    • Fluval P10 10W 3 US Gal- 10L Submersible Aquarium Heater

      Fluval P10 10W 3 US Gal- 10L Submersible Aquarium Heater

      $19.00
      FAST 'N FREE
    • Eheim Jager 250 Watt Aquarium Heater # 3608, UL Listed, New & Free Shipping!

      Eheim Jager 250 Watt Aquarium Heater # 3608, UL Listed, New & Free Shipping!

      5 out of 5 stars
      (1)1 product ratings - Eheim Jager 250 Watt Aquarium Heater # 3608, UL Listed, New & Free Shipping!
      $19.95
      $8.55 shipping
      or Best Offer
    • 6 Cooling Fan Black Aquarium Fish Tank Cold Wind Water Chillers Hanging Mode 12V

      6 Cooling Fan Black Aquarium Fish Tank Cold Wind Water Chillers Hanging Mode 12V

      $32.34
      Was: $34.04
      Free shipping
      or Best Offer
    • Cobalt Neo-Therm Plastic LED Heater 150 watt

      Cobalt Neo-Therm Plastic LED Heater 150 watt

      5 out of 5 stars
      (6)6 product ratings - Cobalt Neo-Therm Plastic LED Heater 150 watt
      $70.95
      Free shipping
    • 100W/200W/300W/500W Adjustable Aquarium Heater Submersible Fish Tank Water

      100W/200W/300W/500W Adjustable Aquarium Heater Submersible Fish Tank Water

      $13.85
      Was: $15.39
      Free shipping
      584 sold
    • 100-500W Aquarium Heater Anti-Explosion Submersible Fish Tank Water Adjustable A

      100-500W Aquarium Heater Anti-Explosion Submersible Fish Tank Water Adjustable A

      $21.99 to $31.65
      Free shipping
      73 sold
    • 300W Aquarium Heater Temperature Dial Control Submersible Fish Tank Rod

      300W Aquarium Heater Temperature Dial Control Submersible Fish Tank Rod

      4.5 out of 5 stars
      (2)2 product ratings - 300W Aquarium Heater Temperature Dial Control Submersible Fish Tank Rod
      $12.15
      Was: $12.79
      Free shipping
      46 sold
    • New 25W 50W 100W 200W 300W 500W Aquarium Heater Submersible Fish Tank Adjustable

      New 25W 50W 100W 200W 300W 500W Aquarium Heater Submersible Fish Tank Adjustable

      $8.99 to $10.99
      $4.99 shipping
      466 sold
    • Inline Heater 200 Watt With 1/2" Hose Connections - Hydor

      Inline Heater 200 Watt With 1/2" Hose Connections - Hydor

      $54.99
      FAST 'N FREE
      23 sold
    • Low Noise Aquarium Fish Tank Supply Cold Wind Cooler Mini Hang On Cooling Fan US

      Low Noise Aquarium Fish Tank Supply Cold Wind Cooler Mini Hang On Cooling Fan US

      $13.99
      Free shipping
      or Best Offer
    • 50W-200W Aquarium Submersible Fish Tank Water Heater Rod Marine Freshwater knob

      50W-200W Aquarium Submersible Fish Tank Water Heater Rod Marine Freshwater knob

      $10.44 to $12.34
      Was: $12.99
      Free shipping
    • 400W Submersible Aquarium Heater Titanium Fish Tank Adjustable Water Thermostat

      400W Submersible Aquarium Heater Titanium Fish Tank Adjustable Water Thermostat

      $26.90
      Was: $57.90
      Free shipping
    • FINNEX DELUXE TITANIUM HEATER

      FINNEX DELUXE TITANIUM HEATER

      $39.95
      FAST 'N FREE

    Results Pagination - Page 1

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    Limited Time Deals

    Free Shipping Included

    • Simple Deluxe Submersible Aquarium Heater Fish Tank Heating for Salt and Water
      Simple Deluxe Submersible Aquarium Heater Fish Tank Heating for Salt and Water
      $24.99
    • 2 pcs 300W Aquarium Heater for Freshwater Saltwater 60 to 100 gal
      2 pcs 300W Aquarium Heater for Freshwater Saltwater 60 to 100 gal
      $22.44
    • 300W Aquarium Heater Temperature Dial Control Submersible Fish Tank Rod
      300W Aquarium Heater Temperature Dial Control Submersible Fish Tank Rod
      $13.89
    • 2pcs Heater 300W Aquarium Fish Tank Submersible Adjustable Odyssea 60 75 100 gal
      2pcs Heater 300W Aquarium Fish Tank Submersible Adjustable Odyssea 60 75 100 gal
      $23.95
    • 25W/50W/100W/200W/300W Aquarium Heater Protective Guard Cover Suction Cups
      25W/50W/100W/200W/300W Aquarium Heater Protective Guard Cover Suction Cups
      $4.99
      was -$5.59 | 11% OFF

    Top Rated

    See All - Top Rated

    Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Top Rated

    • Odyssea 300W Aquarium Heater Submersible
      Odyssea 300W Aquarium Heater Submersible
      4.8 out of 5 stars
      (153)Total Ratings 153,
      97% agree - Would recommend
      $13.95 New
    • EHEIM Jager Aquarium Thermostat Heater
      EHEIM Jager Aquarium Thermostat Heater
      4.8 out of 5 stars
      (46)Total Ratings 46,
      95% agree - Would recommend
      $30.99 New
      $29.85 Used
    • Tetra Ht55 Submersible Heater 40 to 55 Gallons 200w
      Tetra Ht55 Submersible Heater 40 to 55 Gallons 200w
      5 out of 5 stars
      (15)Total Ratings 15,
      100% agree - Would recommend
      $17.99 New
    • Hydor Submersible Glass Aquarium Heater - Original Theo
      Hydor Submersible Glass Aquarium Heater - Original Theo
      4.8 out of 5 stars
      (14)Total Ratings 14,
      100% agree - Would recommend
      $44.61 New
    • Fluval M50 Submersible Glass Aquarium Heater 50 Watt
      Fluval M50 Submersible Glass Aquarium Heater 50 Watt
      5 out of 5 stars
      (11)Total Ratings 11,
      100% agree - Would recommend
      $19.99 New
      $10.00 Used
    • EHEIM Jager Aquarium Thermostat Heater 200 Watts 2day Delivery
      EHEIM Jager Aquarium Thermostat Heater 200 Watts 2day Delivery
      4.9 out of 5 stars
      (10)Total Ratings 10,
      100% agree - Would recommend
      $32.81 New
    • Penn Plax Aquarium Heater Fully Submersible Within 1 Degree of Accuracy 200 Watt
      Penn Plax Aquarium Heater Fully Submersible Within 1 Degree of Accuracy 200 Watt
      5 out of 5 stars
      (9)Total Ratings 9,
      100% agree - Would recommend
      $22.99 New
    • EHEIM Jager Aquarium Thermostat Heater 50w 50 Watt
      EHEIM Jager Aquarium Thermostat Heater 50w 50 Watt
      4.9 out of 5 stars
      (9)Total Ratings 9,
      100% agree - Would recommend
      $20.95 New
    You May Also Like
    Slide {current_page} of {total_pages} - You May Also Like
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