The 9 Best thermostatic Pond heaters (2023 reviews)

Allied precision industries thermostatic pond heater is the epitome of what a great heater should be. This is a great pond heater. It is 1500 watts and with the protective attached is more than a foot in diameter. The wire cage protects the trough itself from burning. It will only keep the temperature above freezing and it will not actually heat it up.

This tank heater turns on when the water temp drops to 40 degrees, and keeps it at that temperature. The warm water will need to Circulate Through The Pump To Keep The Inner Lines From Freezing. It just keeps it from freezing. It will keep a 3 foot area from freezing. The frame could be easily squeezed a bit smaller.

Why We Like This:

Works great in 70 gallon water tank
Keeps the water at a constant temperature and never freezes
Good investment for long term

Best For Fish: Kh pet products thermostatic Pond Heater

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Kh Pet Products has been making great heater for years, thanks to a combination of clever design and appropriate materials. In a small goldfish pond (maybe 1500 gallons), it provides an excellent breather hole to allow for adequate gaseous exchange. It can start to divert your water out of the pond and eventually drain the pond if you are not keeping an eye on it. It is designed by K&H with over 20 years of experience in creating safe, innovative, quality products for pets. It allows air exchange to keep the fish alive.

The de-icer will only keep a hole open in the pond to allow for gas exchange, it will not heat the water. It will freeze, the deeper the pond the better and the less wattage needed. There is a built-in thermostat that tells it when to turn on and off. It works for your hot tub. It is designed for 110/120 volt electrical current only.

Why We Like This:

Plenty big for gas exchange, and the fish huddle around the heater for warmth
Delivers what they promise

Best For Birdbath: Yanovate thermostatic Pond Heater

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The yanovate thermostatic pond heater is capable of outshining several other heater featured in this list in overall features for the price point. There's no need to waste electricity on water that's not going to freeze. If there is water in your bird bath, it will be heated to keep the ice water warm and not dry out the water in your bird bath. The bird bath heater has aluminum base surface and full coverage aluminum liners, with highly heat conductive and durable for maximum usage to prevent rust. It works great and stays under water well.

The design allows it to sink to the bottom of the bird bath nicely, rather than float. The cord is thick and stiff bit with a little encouragement of the cord hook over the edge of the birdbath and easily attached to an extenstion (outdoof) cord. The bird bath heater is quality made. It is a 70w heater and can be thermostatically controlled.

Why We Like This:

Works great in a shallow bird bath
Perfect little bird bath heater/pond de-icer
New and hot release

Best For chicken Water: Saillong thermostatic Pond Heater

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The saillong thermostatic pond heater might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few months. This birdbath heater has done a great job through all the freezing nights. It sits in a 3 gallon trough fir for the outside cats and dogs. The heater keeps about half of the bath unfrozen in extreme temperatures and that’s enough for the birds to drink. The water is slightly warm to the touch. It is made with indoor usp cable.

This birdbath feeder works really well. It is suitable for small animals, the low wattage heating base is ideal for outdoor and freezing winter temperatures, and provides consistent gentle heat water without scalding your bird, or animal's mouth. It's heavy so floating to the top or not staying in place is not an issue.

Why We Like This:

Good quality, does not over heat water kept water fully thawed down to
Works great on 5 gallon chicken waters
Nice heater for a small birdbath

Best For Horse: Comincia thermostatic Pond Heater

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Comincia line of heater come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. It is a decent bird bath heater. It is made of cast aluminum with a teflon coating that helps reduce mineral buildup, improve corrosion resistance and extend the life of the unit. It is very substantial, all metal and the design helps to disperse the heat better than a small plastic paddle. It provides a greater range of movement to provide ice-free water for animals.

They advertise it to be used in very small water such as a bird bath to a large water trough. This also keeps the pond from freezing in the cold weather. It works well in cold plus works for a chicken waterer.

Why We Like This:

Keeps water from freezing very easy to use
Able to keep five gallon birdbath ice free in single digit temperatures
Stops freezing water in cold weather

Best For those frigid states: Easypro+ thermostatic Pond Heater

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The easypro+ thermostatic pond heater should be able to handle its purpose and duties with ease. This unit is only for opening a hole in the diameter of the unit in the ice to allow gases toxic to fish to escape from a pond. It can be used as a surface deicer or converts in seconds to a bottom heater safe for all ponds thermostatically controlled. It is a simple pond deicer with an internal temp switch that will turn itself off once above freezing.

This unit will NOT heat the water, it will only serve to keep a hole open in the ice. It does not get real hot to the touch It should produce bubbles when in the pond on the unit. It comes with a zone chart.

Why We Like This:

Easy to remove float ring allows deicer to be used as a bottom heater
Works perfect keeping the pond from freezing
Good investment for long term

Best With tubs: Dreyoo thermostatic Pond Heater

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The dreyoo thermostatic pond heater is suitable and reliable and fits well with your daily usage. The trough de icer has a constant temperature control function, which keeps your birdbath water above freezing. It works with open water tanks and tubs in. It has a large heating area and high deicing efficiency. It keeps plenty of liquid water in a bowl that is 18" x 15", and even manages to keep an area about the size of the mat itself liquid in a 30" bowl.

The internal heating plate is overheated, and the birdbath heater will automatically stop working for safety power off protection. They move easily, tend to float, and have shortish cords. It allows for constant use plus it is easy to be broken by birds' beaks. They come very tightly wound up so plan on putting them under a very heavy book a couple of days before using.

Why We Like This:

Work great for ducks and chickens water
Low wattage operation allows for constant use
One of the new comers and featured product

Best For standard size birdbaths: Dreyoo inexpensive Heater

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We would, of course, be remiss if we didn't mention dreyoo inexpensive heater for regular usage. The 9.5 inch diameter ice melt mat water heater fits many sizes of bird baths. It works well and is the perfect size. The longer power cord allows you to connect the cord to a floor outlet without having to purchase additional extension cords, makes installation easier, and plug to use.

The bird bath heater uses an upgrade pvc cover, which has better corrosion resistance and water resistance than traditional aluminum, and avoid harmful paint flaking. The product does prevent the area of the birdbath above heater from icing over, so it does work. It does float if you do not put a rock on it to hold it under water. It is good for chicken waterer.

Why We Like This:

Too light, blows out of the water
Safe, durable and waterproof pvc material
One of the new comers and featured product

Best For Water trough: Yoxue thermostatic Pond Heater

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The yoxue thermostatic pond heater is suitable and reliable and fits well with your daily purpose. It is easy to be broken by birds' beaks. For a medium to large bird bath, or other container, this is a very well suited ice preventer. It is suitable for bird bath pans of a diameter smaller than 10 inches. It is good for temps at or slightly below freezing.

The deicer comes rolled in a tube, so you have to figure out a way to flatten it out without damaging the thermostat. This one keeps the ice off very well thanks. It is at the bottom of a large water trough.

Why We Like This:

Works well for such a sleek design
Lot of satisfied buyers

The 9 Best thermostatic Pond heaters (2023 reviews)

Our Top Picks:

Best Overall: Allied Precision industries thermostatic Pond Heater

Best For Fish: Kh pet products thermostatic Pond Heater

Best For Birdbath: Yanovate thermostatic Pond Heater

Best For chicken Water: Saillong thermostatic Pond Heater

Best For Horse: Comincia thermostatic Pond Heater

Best For those frigid states: Easypro+ thermostatic Pond Heater

Best With tubs: Dreyoo thermostatic Pond Heater

Best For standard size birdbaths: Dreyoo inexpensive Heater

Best For Water trough: Yoxue thermostatic Pond Heater

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7 Best thermostatic Pond heaters