Best Turtle Tank Heaters Reviewed

If you own a turtle, you are among the 2 million people who are contributing to creating a shift in people’s perception of pets. But, if your turtle lives on the floor or a fish tank filled with cold water, you are also among the large number of people who are responsible for endangering their lives. 

Turtles live in the sea, shouldn’t they be in the water? They do, but there is a huge difference between natural habitat and an artificial one. Turtles are cold-blooded creatures and need both warm and cold climates to survive, they do find such a climate in the sea due to the sun and weather. 

Turtle tanks and terrariums, on the other hand, are just glass containers that rely on the temperature of the rooms they are kept in. The cold water in these tanks can cause problems from indigestion to hibernation in turtles.

How do I save my turtle from this? The answer is simple, you need to install turtle tank heaters in your turtle’s terrarium or tank. These devices heat the water or air in the tank making it more habitable and healthy for turtles. 

They can be found at any local pet store but, if you are buying a turtle tank heater for the first time, there is a great possibility that you might fall for the superficial features and end up spending more than you should. So, we have compiled a list of top turtle heaters that you can buy from online stores with comprehensive information about them.

Best Turtle Tank Heaters 

AIICIOO Reptile Turtle Tank heater

  • Does not interfere with the turtle’s sleep pattern
  • Suitable for daily use
  • Durable
  • No means to control heat

There are a lot of turtle tank heaters of varied sizes available in the market, but you need to look for heaters that are easy to assemble and offer enhanced durability. The AIICIOO Reptile Heat Lamp is an exemplary heater that provides both safety and convenience. 

AIICIOO Reptile Heat Lamp is made from ceramic and tested to emit heat for 10,000 hours. It can keep your turtle warm for 24-hours while giving them heat that feels like the sun. The design of the bulb enables it to generate heat in a uniform pattern.

It exceeds all expectations with unrivaled efficiency due to its flat surface that increases the temperature of the air in the tank. The body of this lamp is created using high-quality pottery clay that does not crack in the humid environment of the tank.

The heater does not emit any light preventing it from interfering with the sleeping pattern of your turtle. It has a metal rim that allows you to attach it to a bulb holder as it uses AC 110-120 voltage and needs 60-watt power.

Key Features: 

  • Metal rim for easy installation
  • Zero light emission
  • Longwave infrared heat 
  • Flat Surface

Zoomed Reptitherm Undertank Heater

  • Easy to use
  • Low power consumption
  • Increases temperature by two to eight degrees.
  • Unsuitable for aquatic cans

Give your turtle the feeling of being in a natural habitat with a lab-tested and proven ‘under the tank’ heating solution. Considering the safety of both the turtle and its owner, this heater is made with an accurate nichrome heating element that is embedded within the heater in a mat-shaped structure.

It is suitable for continuous usage and can be kept as a primary or secondary source of heat for your turtle. The package comes with an 8-page instruction manual to make installation easier. Its exteriors stick to the terrarium as a permanent heating solution for your turtle.

To get the perfect and natural heat gradient it is recommended that you stick it to one side of the tank. But, if you wish to place the heater under the tank, you can use the rubber feet included in the package to avoid heat-encapsulation.

Key Features: 

  • Solid-state nichrome heating element
  • Sticky underside to attach it permanently to the tank 
  • 8-watt power
  • Small size (measures 6X8 inches)

Fluker’s 27002 Repta-Clamp Lamp with Switch

  • Comes with safety clamps prevent accidents
  • Made of durable materials
  • Convenient to use
  • Contains chemicals

When it comes to the safety of your turtle, you need to be extra careful with heating apparatuses. The Fluker’s 27003 Repta-Clamp Lamp with Switch, takes care of the safety of your reptilian buddy with its unique and elaborate construction. 

It attaches easily to the rim of the tank that enables the lamp to cover a sizeable area. To prevent the lamp from falling inside the terrarium and injuring your turtle, it comes with a clamp that grips the tank’s edge firmly.

The heater is shaped in the form of a dome and plated with heavy gauge aluminum. It has a ceramic socket which can be used to connect heat emitters and incandescent bulbs. There is a switch on top of the lamp that lets you turn the lamp on and off at your convenience.

To make the tank habitable for your turtle with this lamp, it is recommended that you place it only on one side of it. It will keep some parts of the tank cold for the turtles.

Key Features: 

  • Dome-shaped
  • Small and compact size
  • Made using heavy gauge painted aluminum
  • Uses 75-watts of power

Cobalt Aquatics Flat Neo-Therm Heater with Adjustable Thermostat

  • Submersible
  • Reliable
  • Longevity assured
  • Very-thin equipment
  • Higher Price Point

The most common problem with tank heaters is the lack of heat adjustment feature. It not only causes inconvenience but can also pose a threat to your turtle. Cobalt Aquatics Flat Neo-Therm Heater with Adjustable Thermostat solves this problem with ease. 

Unlike other heaters above, the Neo-Therm works well with aquatic tanks giving you the freedom of putting water in the tank and making it more habitable for your turtle. It has a slim body that occupies less space inside the tank.

Its ‘one-touch’ control system makes temperature adjustment convenient. The heater also includes an advanced electronic thermostat with a ±0.5° heat accuracy. Another notable feature of this heater pack is the LED lights that display tank temperature and set temperature simultaneously. 

The device has an impeccable design that makes it safe and reliable. It has integrated thermal protection circuitry that shuts the device down before it overheats. The shatter-proof outer casing can withstand water, shocks, heat, and pretty much everything that can easily break the other heaters. 

Key Features: 

  • Modern, super flat design
  • Easy to set the ‘one-touch’ system
  • Set temperature range from 66 to 96°F
  • Accurate electronic thermostat ±0.5°F
  • Thermal protection circuitry
  • Shatter-proof outer casing

ViaAqua 200-Watt Quartz Glass Submersible Heater:

  • Easy installation
  • Convenient temperature regulation
  • Waterproof
  • Suitable for both saltwater and freshwater
  • Temperature knob needs excessive winding for increasing or decreasing the temperature.

ViaAqua is among the best heaters that you can purchase at a budget-friendly price. It comprises countless features that make it a major steal. The first one being a superior quality Quartz glass body that makes it waterproof. 

The installation process of ViaAqua is quite simple; all you need to do is attach it to the suction caps included in the package and stick it on the glass inside the tank. It has a built-in thermostat for adjusting the temperature that is suitable for your turtle. 

The heating element of the ViaAqua is made from ceramic that distributes heat evenly. The heater has a water level and power lamp indicator that shows the water level in the tank and the power cycle of the heater. 

It can withstand both salt and freshwater and needs around 50-watt to function ideally in 13 gallons of water. The quartz glass adds to the strength and durability of the device that can save you a lot of money on tank heating equipment. 

Key Features: 

  • In-built thermostat
  • Temperature adjustable knob
  • Suction cups
  • Quartz glass construction 

Finnex Deluxe Titanium Tube Heater with Guard:

If you are done with all the plastic, bulbs and ceramic heaters, here is an unconventional solution that shines brightest on our list. The Finnex Delux Titanium Tube Heater looks like a simple concoction, but it can deliver excellent results. 

The first and the most important feature of the heater is the unbreakable titanium tube and a plastic sheath to protect it from corrosive water. Titanium tubes stabilize the temperature in the tank using its ultra-heating abilities, without inflicting any harm to the animals in the tank. 

It has a plastic sheath that surrounds the titanium rod protecting it from all kinds of damages from both water and animals. The heater comes with suction cups that stick to the walls of the tank and prevent it from moving around or falling in the tank itself. 

The Finnex Delux Titanium Tube heater’s efficacy can be judged from the fact that it can change the temperature of 40-80 gallons of water using 300 watts of energy. Titanium tubes of the heater are also corrosion resistant and work well in saltwater too. 

Key Features: 

  • Submersible body
  • Suction cups
  • Can be used in Freshwater and Saltwater. 
  • Temperature swing-preventive properties 
  • Protective sheath adds to the durability
  • Corrosion-resistant titanium
  • Heats large tanks easily
  • No thermostat
  • Plastic sheath can be tough to clean

Hydor In-Line External Heater – Original ETH:

  • It is concealed in the filter
  • Easy installation
  • Highly durable
  • Works with any kind of canister
  • Has to be placed vertically

Hydor In-line External Heater is a creative blend of sophistication and proficiency that gives you great value for the money. The heater combines numerous features that make it a must-have for your turtle tank. 

This heater is a stellar example of intelligent design as it is the first heater to come with the PTC technology, which can limit the temperature in the tank automatically. The heater must be placed in the vertical direction to function flawlessly. 

Among the many applications, it is commonly used on return lines coming from canister filters. But, you can use the heater to heat all kinds of water in different types of aquariums. 

It has a heat adjustment knob with precise markings that let you select the desired level of heat to be generated from the heater. Its efficient heat pumps maintain consistency in the heat levels keeping the water heated for a longer period. 

Hydor In-Line External Heater has to be placed out of the tank, so you don’t have to compromise in terms of space. The installation may seem a little complicated for first-time users but once installed correctly, you don’t have to worry about having a frozen tank. 

Key Features: 

  • Fits 1/2 inch or 5/8 inch hose
  • Suitable for marine and tropical freshwater aquariums
  • Silent operation
  • Comes with hanging eyelet
  • High resistance body 

Fluval M Electronic Heater:

  • The exclusive Fish guard device
  • Temperature display in C° and F°
  • Available from 50 watts to 300 watts
  • Safety shut off device
  • Only works with high water flow

Heater users often complain about their heaters being damaged by their turtles who bite or shake off the heaters from the tank’s wall. Fluval M Electronic Heater has a simple solution to this problem – reflective heater panels.

Fluval M Heater is an innovatively designed machine that generates an impressive amount of heat to keep your turtle tank warmer for a longer period. Its unique construction combines numerous components that work together to deliver impressive results.

The thermostat above the electronic heater comes with accurate markings which can help you regulate the temperature with ease. It has a reflective surface that blends with the surroundings preventing it from being detected by the turtles in the tank. 

A cool blue LED light on the heater indicates when the heater is functioning. The high-density ceramic sink emits heat evenly throughout the tank. To slow down the corrosion of the heater, it has a 20 ring sealing system coupled with a high-temperature silver-nickel pointed thermostat.

Key Features: 

  • Shock resistant
  • Borosilicate glass
  • Ultra-slim design
  • Easy assembly 

Eheim Jager Thermostat Heater:

  • Thermo safety control feature
  • Easy to install and set up
  • Available from 25 watts to 300 watts
  • Horizontally position not recommended

Eheim is a renowned name among aquarium product manufacturers. The Jager Thermostat Heater is one of the flawless products created by Eheim, that can help you regulate the temperature of your turtle tank with ease. 

Its TruTemp temperature adjustable technology makes it an ultra-modern thermal device competing with the best in the business. 

The heater’s body is made from shatterproof glass that is lab-tested for quality and durability. It is also free from pollutants and resistant to chemical and biological substances. This thermostat can withstand extreme temperatures and power fluctuations. 

Eheim Jager Thermostat Heater is designed to work in both freshwater and saltwater aquarium and can be submerged in the water completely. The glass jacket body magnifies the heating area and ensures even heat distribution. 

Its TruTemp Dail enables you to toggle the temperature between 18° to 34° C (65° to 93° F). With the temperature accuracy of +/- 0.5, ° C. Other features of the Eheim Jager Thermostat Heater include Thermo Safety Control, On/Off Indicator Light, mounting bracket, suction cups, and an extra-long power chord. 

Key Features:

  • Fully submersible 
  • TruTemp dial for temperature adjustment
  • Shock-proof and shatter-proof glass
  • Auto turn off

Sukeen Aquarium Heater Auto Thermostat Fish Tank Heater:

There are many heaters in the market that flaunt their durability or a particular feature which makes them distinguishable from the other products. Sukeen Aquarium Heater Auto Thermostat is a one-of-a-kind heater that offers all the top features combined at a reasonable price. 

This Sukeen heater works in the intermittent mode that turns of the heater automatically when the temperature of the water reaches a specific heat value. When the temperature subsides, the heater will turn automatically making the tank comfortable for turtles. 

Its body is constructed using shatterproof and indestructible Quartz glass which is covered with a double-sealed case. To make it safe for the turtles, the glass is also made blast-proof and has no electricity leakage. 

There is a temperature adjustment button on top of the heater which can increase or decrease the temperature between the range of 68° F – 94° F (20°~34°C). It can be submerged into the water entirely and has less to no risks of electric shocks. 

Key Features: 

  • Shatter-Proof and Blast-Proof glass
  • Adjustable Temperature
  • Dual tubes to prevent scalding or burns
  • Provides warm environment constantly 
  • Intermittent operation mode
  • High quality and safe
  • Submersible design
  • Unsteady temperature

Frequently Asked Questions about turtle tank heaters

A Turtle tank heater is a complicated apparatus and easily can put you in a dilemma. Here are some of the commonly asked questions about turtle tanks heaters that can help you during purchase and installation. 

How to choose the right heater for the turtle tank?

Choosing the right heater for your turtle tank is very important. A right-sized heater will maintain a balanced temperature in the tank and also prevent underheating or overheating. Here’s how you can choose the right heater for your turtle tank. 

05 Gallons = 50-100 Watts

10 Gallons = 50, 75, or 100 Watts

20 Gallons = 50, 100, or 150 Watts

25 Gallons = 100-200 Watts

40 Gallons = 100, 150, or 300 Watts

50 Gallons = 150, 200, or 200 x2 Watts

65 Gallons = 200, 300, or 300 x2 Watts

75 Gallons = 300, 300, or 300 x2 Watts

What is the best water temperature for a pet turtle?

The temperature of the water plays an important role in the health and life of a turtle. For aquatics such as Red-eared Sliders, the ideal temperature is 75°F. This aids in digestion and makes the tank more comfortable. 

Once turtle/s adjust to the water temperature, you can increase the temperature of the heater by 10°F, this will make it warm enough even during the winters. You can install the heater on one side of the tank keeping it at 80°F which makes up for a great basking spot. 

Is it necessary to keep the filter running while the heater is on in a turtle tank?

Heaters and filters are two very different devices that keep the turtle healthy and comfortable even in harsh weather conditions. While both machines are essential for the turtles, keeping them on together can either cause problems or waste a lot of electricity.

You can turn one of the two on periodically or look for filters with heat canisters which can solve your problem. 

How long should you keep a turtle tank heater on in a day?

Turtles need warm water throughout the day to help them carry on with their functions. Ergo, you need to keep the heater on 24-hours a day. If you are worried about overheating, you can get a heater that comes with a built-in thermostat which adjusts the heater’s temperature automatically. 

It’s 70 degrees in my house, do my turtles need a heater like some fish do? Or will they be ok?

Before you get a heater for your turtles, it is important to understand and check the temperature they are experiencing inside the tank. You can use a thermometer to check the temperature of the water. If the water has the same temperature as your home, you can use a simple water heater that can heat your tank considerably during the night. 


Turtles are as sensitive as any other animal and they need the necessary care to grow. By adding a heater to your turtle’s tank you not only providing comfort but also good health to it. 

I hope this article has helped you learn about turtle heaters and gain substantial information about them. If you have any queries or suggestions, you can write them in the comments.