Aquarium and Fish Tank Heaters

Sort
Filter
Slide 1 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 1 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 2 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 3 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 4 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 5 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 6 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 7 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 8 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 1 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 2 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 3 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 4 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 5 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 6 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 7 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 8 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 1 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 2 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 3 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 4 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 5 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 6 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 7 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 8 of 8
Slide 1 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 1 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 2 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 3 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 4 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 5 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 6 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 7 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 8 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 1 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 2 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 3 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 4 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 5 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 6 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 7 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 8 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 1 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 2 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 3 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 4 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 5 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 6 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 7 of 8
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt slide 8 of 8

Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt

Rated 4.2 out of 5 stars
97
$18.99 Chewy Price
$42.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Slide 1 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 1 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 2 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 3 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 4 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 5 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 6 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 7 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 8 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 9 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 1 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 2 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 3 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 4 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 5 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 6 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 7 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 8 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 9 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 1 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 2 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 3 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 4 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 5 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 6 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 7 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 8 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 9 of 9
Slide 1 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 1 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 2 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 3 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 4 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 5 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 6 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 7 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 8 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 9 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 1 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 2 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 3 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 4 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 5 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 6 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 7 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 8 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 9 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 1 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 2 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 3 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 4 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 5 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 6 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 7 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 8 of 9
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 9 of 9

LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in...

Rated 4.6 out of 5 stars
103
$23.99 Chewy Price
$35.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Slide 1 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 1 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 2 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 3 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 4 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 5 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 6 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 7 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 8 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 9 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 1 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 2 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 3 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 4 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 5 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 6 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 7 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 8 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 9 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 1 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 2 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 3 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 4 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 5 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 6 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 7 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 8 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 9 of 9

Aqueon Preset Aquarium Heater, 100-watt

Rated 3.6 out of 5 stars
325
$20.82 Chewy Price
$32.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Slide 1 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 1 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 2 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 3 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 4 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 5 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 6 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 1 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 2 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 3 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 4 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 5 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 6 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 1 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 2 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 3 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 4 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 5 of 6
SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal slide 6 of 6

SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5...

Rated 4.2 out of 5 stars
175
$8.60 Chewy Price
$13.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval M 100Watt Submersible Fish Heater

Rated 4.6 out of 5 stars
25
$32.99 Chewy Price
$35.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Tetra HT10 Submersible Aquarium Heater & Electronic Thermostat, 50-watt

Rated 4.1 out of 5 stars
125
$15.27 Chewy Price
$18.89 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Eheim Thermocontrol E Fish Aquarium Heater, 300 W

Rated 4.3 out of 5 stars
35
$51.09 Chewy Price
$69.99 List Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Aquael Platinium 250W Glass Heater

Rated 4.6 out of 5 stars
19
$33.99 Chewy Price
$35.96 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Tetra HT30 Submersible Aquarium Heater & Electronic Thermosat, 100-watt

Rated 4 out of 5 stars
98
$17.99 Chewy Price
$22.59 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval Electronic Aquarium Heater, 300-watt

Rated 4 out of 5 stars
96
$54.22 Chewy Price
$54.99 List Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Cobalt Aquatics Neo-Glass Submersible Aquarium Heater, 100-watt

Rated 3.4 out of 5 stars
16
$28.68 Chewy Price
$44.73 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Penn-Plax Cascade Heat 300W Preset Submersible Aquarium Heater, 12-in

Rated 3.4 out of 5 stars
26
$19.90 Chewy Price
$45.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Marineland Precision Heater, 300 Watt

Rated 3.2 out of 5 stars
111
$41.47 Chewy Price
$51.79 List Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Aqueon Pro Aquarium Heater, 150 watt

Rated 3.8 out of 5 stars
116
$59.99 Chewy Price
$78.95 List Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Fluval Submersible Glass Aquarium Heater, 50-watt

Rated 4 out of 5 stars
57
$30.99 Chewy Price
$34.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Marina 6-in Submersible Fish Heater, 50-Watts

Rated 3.7 out of 5 stars
6
$16.21 Chewy Price
$32.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt

Rated 3.9 out of 5 stars
35
$27.97 Chewy Price
$34.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Eheim Thermocontrol Aquarium Water Temperature Controller, 125-watt

Rated 3.7 out of 5 stars
13
$49.99 Chewy Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Aquael Ultra 200W Aquarium Heater

Rated 4 out of 5 stars
15
$54.99 Chewy Price
$92.87 List Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Fluval E200 Electronic Fish Aquarium Heater, 200-watt

Rated 5 out of 5 stars
1
$48.37 Chewy Price
$64.99 List Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Fluval P10 Pre-Set Aquarium Fish Heater

Rated 4.3 out of 5 stars
15
$18.74 Chewy Price
$26.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

H2Pro Titanium Aquarium Heater, 200-watt

Rated 4.2 out of 5 stars
10
$52.60 Chewy Price
$64.99 List Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

OASE Indoor Aquatics HeatUp 25 Adjustable Fish Heater

Rated 4 out of 5 stars
7
$19.95 Chewy Price
$35.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Cobalt Aquatics Electronic Neo-Therm Pro Submersible Aquarium Heater, 25-Watt

Rated 4 out of 5 stars
56
$47.99 Chewy Price
$87.67 List Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Aqueon Aquatic Flat Heater, 15-watt

Rated 3.7 out of 5 stars
52
$16.99 Chewy Price
$20.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval M 300Watt Submersible Fish Heater

Rated 4.2 out of 5 stars
30
$38.99 Chewy Price
$39.99 List Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Marina Betta Submersible Aquarium Heater

Rated 3.9 out of 5 stars
70
$12.98 Chewy Price
$17.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hydor Micro & Mini Aquarium Slim Fish Heater, Black, 15-watt

Rated 4.3 out of 5 stars
9
$15.29 Chewy Price

Free delivery on first-time orders over $35
Free 365-day returns

Fluval M 200Watt Submersible Fish Heater

Rated 4.4 out of 5 stars
22
$36.99 Chewy Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

GloFish Submersible Fish Heater, 50-watts

Rated 4.2 out of 5 stars
19
$17.47 Chewy Price
$22.49 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Seapora Quartz Aquarium Heater, 100-watt

Rated 4 out of 5 stars
5
$21.99 Chewy Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat, 150-watt

Rated 3.2 out of 5 stars
19
$23.97 Chewy Price
$29.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Penn-Plax Aquarium LED Display Heater, 300W

Rated 2.4 out of 5 stars
5
$59.99 Chewy Price
$64.99 List Price

Free delivery on first-time orders
Free 365-day returns

OASE Indoor Aquatics HeatUp 100 Adjustable Fish Heater

Rated 4 out of 5 stars
4
$38.72 Chewy Price
$42.99 List Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Aqueon Mini Aquarium Heater, 2-gal, 5 watt

Rated 3.7 out of 5 stars
87
$16.99 Chewy Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval P25 Pre-Set Aquarium Fish Heater

Rated 3.8 out of 5 stars
5
$22.99 Chewy Price
$29.99 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Aquarium and Fish Tank Heaters

Aquarium & Fish Tank Heaters

Aquarium Type

Deals & Savings

Brand

7 Brands are shown below

Price

Customer Rating