Heating & Lighting

(59 results)
Top Fin® Aquarium Hinged Glass Lid - 2.5-75 Gallon
7 sizes
(375)
$16.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Compact Aquarium Heater - 50-150 Watt
3 sizes
(522)
$14.99
$15.59
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Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Floating Glass Aquarium Thermometer
(249)
$4.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Plant 4.0 LED Aquarium Light for Planted Aquariums
4 sizes
(12)
$149.99
$179.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Aquasky 3.0 LED Aquarium Light for Fish Tanks
4 sizes
(4)
$98.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® LED Aquarium Hood - 5.5-20 Gallon
3 sizes
(6)
$29.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Top Fin® Submersible Aquarium Heater - 50-300 Watt
(132)
$15.29
$31.99
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Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Aqueon® Pro Series Submersible Aquarium Heater for Fish Tanks
(40)
$66.95
$66.99
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Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Aqueon® Deluxe LED Hood for Fish Tanks
3 sizes
(33)
$54.95
$64.99
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Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Submersible Aquarium Heater for Fish Tanks
(258)
$35.99
$38.99
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Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Clip-On LED Plant Light for Aquariums
(6)
$34.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Tetra HT Submersible Aquarium Heater - 2-10 gallon for Fish Tanks
(515)
$15.27
$15.99
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Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Aquarium LED Strip Light - 20-48 in
4 sizes
(209)
$27.99
$43.99
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Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Digital Aquarium Thermometer
(168)
$11.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Reef Nano 4.0 LED Saltwater Aquarium Light for Saltwater Reef Tanks
(0)
$139.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Aqueon® Preset 50W Submersible Aquarium Heater for Fish Tanks
(10)
$20.95
$26.39
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Plant 3.0 Bluetooth LED for Planted Aquariums
4 sizes
(62)
$149.99
$179.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® M-Series Submersible Heater for Fish Tanks
(160)
$32.99
$36.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Thrive Semi-Aquatic Submersible Heater - Turtle Tank Heater - 200W
(136)
$38.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Color-Changing LED Aquarium Light Bar - 8 in
(202)
$13.99
$22.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Aqueon® FXT Optibright Max LED Aquarium Light for Fish Tanks
3 sizes
(6)
$99.95
$109.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Aqueon® Flat Aquatic Heater 15-Watt for Fish Tanks
(0)
$17.95
$19.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Tetra HT Submersible Aquarium Heater - 40-55 gallon for Fish Tanks
(6)
$39.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
GloFish® 10-Inch LED Light Stick 2 Pack for Fish Tanks
(4)
$52.99
$59.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Aqueon® Plant Clip-On Aquarium LED for Planted Aquariums
(8)
$44.95
$49.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Aqueon® Clip-On Aquarium LED for Fish Tanks
(50)
$34.95
$37.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Aqueon 10-Watt Mini Aquarium Heater for Fish Tanks
(191)
$17.95
$18.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Aqueon® Flat Aquatic Heater 5-Watt for Fish Tanks
(65)
$14.45
$15.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Current USA Serene ColorPlus LED Light for Fish Tanks
2 sizes
(55)
$89.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Flexible Nano Aquarium LED Light - White
(55)
$19.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® AQUASKY LED Aquarium Light - 27 Watt for Fish Tanks
(28)
$134.99
$149.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® AQUASKY LED Aquarium Light - 35 Watt for Fish Tanks
(46)
$179.99
$199.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Visi-Therm Submersible Aquarium Heater for Fish Tanks
(256)
$32.97
$37.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Hidden LED Lighting System for Fish Tanks
(60)
$49.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® LED Aquarium Light Bar for Fish Tanks
(127)
$46.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Programmable Timer for Aquarium Lights
(0)
$8.49
$9.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
GloFish® 8-Inch LED Light Stick for Fish Tanks
(0)
$32.12
$35.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Tetra 6" Hidden LED Stick 3S 12 ct for Fish Tanks
(4)
$28.59
$30.29
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Sign In & Enjoy Free Shipping Over $49
Marineland Adjustable LED Light for Fish Tanks
(0)
$199.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Sign In & Enjoy Free Shipping Over $49
Glofish Blue LED Light 6" for Fish Tanks
(0)
$27.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Sign In & Enjoy Free Shipping Over $49
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Keeping your fish tank in the most suitable condition for your aquatic pals is important for their overall health and wellbeing. Making sure your aquarium has the necessary amount of light and correct water temperature is imperative to helping your fish thrive. At PetSmart, we offer a wide range of climate-control solutions, timers and lighting options designed for aquariums of every size. With submersible heaters and heater holders, reliable and accurate thermometers, LED lights and lamps, plus premium fluorescent hoods, our fish tank heating and lighting collection makes it easy to help your fish and plants live long, healthy lives.
Whether you’re looking for a fish tank heater or fish tank lights, we have it all. PetSmart offers a variety of different aquarium heating and lighting options and accessories, including:
Need something else for your finned friend or aquarium? PetSmart has you covered with a large selection of the best fish supplies, like fish food, tanks and aquariums, and so much more.
PetSmart also offers convenient shopping with curbside or in-store pickup. Need something today? We have select items available for same-day delivery in most areas powered by DoorDash. For items you purchase frequently, PetSmart has Autoship that automatically delivers the items you want to your door as often as you’d like. Check the website to see what items are eligible.