HomeKoi Pond Heaters Top 10 Best Koi Pond Heaters #1 CrystalClear KoiAir2 Pond Aeration System – Large Pond Aerator Kit for Ponds 10 SCORE | Based on 267+ Verified Reviews View Detail Buy it on Amazon ✔Extremely energy efficient pond aeration system with whisper-quiet operation✔Provides 0.80 CFM airflow with 1 Dual Stick Plate✔Aeration for 8,000 - 16,000-gallon ponds and water gardens More Detail+ #2 API Floating Water Tank Deicer Floating De-Icer with Guard, 1500 9.7 SCORE | Based on 297+ Verified Reviews View Detail Buy it on Amazon ✔HEATING CAPACITY - This stock tank heater heater is recommended for 100-300 gallons of water.✔COMPATIBLE WITH RUBBER, FOAM & PLASTIC TANKS - This deicer's heating element includes galvanized wire guard to protect rubber, plastic, or structural-foam tanks.✔CONSERVES POWER AND ENERGY - This deicer has a built-in thermostat that conserves energy when water does not need to be heated. More Detail+ #3 Farm Innovators Model H-429 Economical Submergible Tank De-Icer with 8.9 SCORE | Based on 322+ Verified Reviews View Detail Buy it on Amazon ✔A sturdy, protective cage permits use in all tanks, including plastic✔Submergible tank de-icer✔Safe in plastic✔Designed to rest in the bottom of tank unnoticed by livestock More Detail+ #4 Farm Innovators Heated Electric Pond Koi Fish Stock Heater Convertible De 8.6 SCORE | Based on 371+ Verified Reviews View Detail Buy it on Amazon ✔The patented cast aluminum design is safe, reliable, and efficient✔Thermostatically controlled to turn on and off automatically✔This de-icer will keep your tank from freezing in the winter and works best in tanks of 70 to 200 gallons More Detail+ #5 Laguna PowerHeat Heated De-Icer for Ponds – 315W Outdoor, Home 8.5 SCORE | Based on 380+ Verified Reviews View Detail Buy it on Amazon ✔315 watts✔Highly-visible LED pilot light that indicates when unit is on More Detail+ #6 Laguna PowerHeat Heated De-Icer for Ponds – 315W 8.3 SCORE | Based on 85+ Verified Reviews View Detail Buy it on Amazon ✔Aids in gas exchange by keeping ice from forming around heater✔Integrated thermostat shuts off the De-Icer when it overheats, protecting internal components from damage✔De-Icer for ponds whose temperatures are down to 20 degrees Fahrenheit More Detail+ #7 EasyPro+ Thermo-Pond 1500 Watt Pond Heater De-Icer 8.2 SCORE | Based on 323+ Verified Reviews View Detail Buy it on Amazon ✔Easy to remove float ring allows deicer to be used as a bottom heater✔Can be used as a surface deicer or converts in seconds to a bottom heater More Detail+ #8 Farm Innovators 617407735932 Model P-418 Premium Cast Aluminum Floating Pond 8.0 SCORE | Based on 399+ Verified Reviews View Detail Buy it on Amazon ✔1,250 watts✔Constructed of patented cast aluminum for ultimate efficiency and safety✔1,250 Watts✔Fish and plant-friendly heater is for use in ponds of 50 to 600 gallons✔Thermostatically Controlled Pond De-Icer Maintains A Vent Hole In The Ice To Allow Harmful Gasses To Escape More Detail+ #9 TetraPond De-Icer, Thermostatically Controlled Winter Survival Solution For Fish, UL 7.9 SCORE | Based on 231+ Verified Reviews View Detail Buy it on Amazon ✔NATURAL FINISH Stone finish complement’s your pond’s surroundings✔EFFECTIVE Works in temperatures as low as -20 degrees✔POND DE-ICER Keeps an area of your pond free from ice More Detail+ #10 - 28% Deal Danner Manufacturing, Inc. Pondmaster Pond De-icer, Red 2175 7.5 SCORE | Based on 79+ Verified Reviews View Detail Buy it on Amazon ✔Thermostatic control reduces heating time & saves electricity✔120 watts of heating power More Detail+ Recommended Categories related to Koi Pond Heaters Motorcycle T... Automatic Ga... Plunger For ... Video Conver... Fm Transmitt... Editor’s Pick: Trending Products you will love Fm Transmitter With Phone Holders axGear Bluetooth FM Transmitter Car Charger Air Vent Mount Phone Holder TF MP3 Player $12.99 View Detail Fm Transmitter With Phone Holders Aduro Bluetooth FM Transmitter Vent Car Mount for Smartphone, Bluetooth Car Adapter Radio Transmitter with 2.1A USB Charging Port $19.99 View Detail Fm Transmitter With Phone Holders Charger Holder FM Transmitter Car Mount USB Port Swivel DC Socket Cradle P8P Compatible with LG Aristo 4 Plus – Motorola One, Moto Z4 Z2 Play X4, Revvlry Plus, G7 Power G6 E5 Plus E4 Plus Play $15.14 View Detail - 10% Fm Transmitter With Phone Holders AnsTOP Lightweight Leather Phone Purse, Small Crossbody Bag Mini Cell Phone Pouch Shoulder Bag with Strap for Women $19.99 $17.99 View Detail