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Digital Pool Thermometer

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58

Models Considered

77

Hours of Research

3

Experts Interviewed

778

Consumer Reviews Analyzed

D o you want to make sure that the temperature of the pool’s water is perfect before you get in it? Then you need to get your hands on a digital pool thermometer that is able to accurately display what the temperature of the water is, ensuring that you and your loved ones won’t enter the water when it is too cold.

These products come with features and accessories that make them highly convenient to use, like display consoles that even allow you to monitor the temperature without leaving the comfort of your home. But let’s not waste time and move on to find out what your best selections are.

6. Yowosmart Wireless – Best with Temperature Sensor

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Specifications:


  • Wireless transmission: 100’
  • Frequency: 433 MHz
  • Update rate: 30 seconds
  • Monitored locations: 3

  • Temperature range: 32°F to 140°F
  • Powered by: 2 x AAA 1.5V batteries
  • Console dimensions: 5” x 3” x 1”
  • Warranty: 1 year





With it, you can keep an eye on pool water temperature, as well as temperature indoors so that you are kept aware of environmental conditions in your home too, all for the price of a single product. It is suitable for use not only in pools, as it works for bathtubs and fishponds as well. Moreover, when you acquire it, you receive a 1-year warranty on the product, as well as a 30-day money back guarantee so that you can return it for a full refund in case you don’t like it.

Sensor
  • Accuracy – It is accurate within +/-1°C
  • LCD – Sensor features its own display where it shows the temperature
  • Battery – The sensor features a solar panel to draw its power from
Features
  • Temperature – Ranges from 32°F to 140°F
  • Transmission – It has a data transmission time of 30 seconds
  • Distance – The working distance between the console and the transmitter is up to 100’
Multi-functional Operation
  • Can even work as a clock, alarm, and calendar
  • Records temperature indoors, as well as outdoors
  • Provides readings in either Celsius or Fahrenheit
What we like:
  • Easy-to-read display
  • The console batteries will last for 12-months
  • Excellent customer service
What we dislike:

✖ Requires routine cleaning

Verdict

Not only is it highly accurate, but it can even be used to take the temperature of the water in bathtubs and ponds as well. Moreover, it isn’t costly in the slightest and it is built to provide years of service.


5. MotherMed – Best Baby Bath Thermometer

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Specifications:


  • Used for: Pool water, baby bathwater
  • Measurement mode: Intermittent
  • Update rate: 5 seconds
  • Material: BPA-free plastic

  • Temperature range: 32°F to 122°F
  • Powered by: 1 x CR2 battery
  • Dimensions: 3.7” x 3.8” x 1.3”
  • Warranty: N/A





The fun design it flaunts visually indicates that it is a viable choice for parents of small children. As the range it provides readings for spans from 32F to 122F, it can be utilizes for pools, as well as baths. Moreover, it is accurate within +/- 1°F, which makes the readings it provides reliable.

LED Indicator Light

When the 102.2 degrees Fahrenheit level is exceeded by the water temperature, it flashes a red light to warn you and not put the child inside, risking harm otherwise. Thus, you can see from afar whether temperature is on the safe side or not. Its design features are:

  • Automatic Shut-off – It turns off on its own if it hasn’t been used in the past half hour
  • Intermittent Measurement – Refreshes every 5 seconds for accurate read
  • Alerts – The message “Cold” appears on the display when water temperature is too low
BPA-free Material

The material used in its manufacturing is BPA-free plastic, which makes it safe as it does not contaminate the water. All products are tested for temperature and checked for waterproofing before leaving the factory, so you can rest assured knowing safety is a given with it. Furthermore, even though it requires batteries, the battery space is sealed so it’s impossible for the water to enter that section.

What we like:
  • Fun pool toy
  • Can even be used as a pool thermometer
  • Displays whether the water is cold, hot, or normal
What we dislike:

✖ Requires cleaning

Verdict

It is a trusty choice of parents due to the safe design and kid-friendly aesthetics. Moreover, it is accurate in its readings and works for water ranging from 32 to 122 degrees Fahrenheit in temperature, and it even shuts off on its own if not used for a while to preserve battery life.


4. Ambient Weather WS-14 – Best for the Money

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Specifications:


  • Wireless transmission: 300’
  • Frequency: 433 MHz
  • Update rate: 60 seconds
  • Monitored locations: 8

  • Temperature range: -40°F to 140°F
  • Powered by: 4 x AAA batteries
  • Console dimensions: 8.5” x 4.2” x 3.7”
  • Warranty: 1 year





Whether it’s an interior or exterior pool that you want to use it in, the WS-14 is able to conveniently learn water temperature as it floats and features a display to easily check the recorded values. Moreover, the console lets you read temperature values from inside the house so that you won’t have to go all the way to the pool to see if it’s OK to swim or not.

Smart Sensors

It is fully waterproof, which ensures that you can leave it the pool to do its job regardless of how bad the weather gets, as long as operational conditions are met. Moreover, as the sensor floats, there’s no risk of losing it in the water. Some of its features include:

  • Wireless Transmission – Displays relevant information on the display console
  • Wide Capability – You can add up to 7 additional sensors in order to ensure reliability
  • Leak –free – The screw-on lid construction features an internal gasket that prevents leaks and grants a water resistant performance
  • Dip Switches – Each sensor has been engineered with dip switches in order to allow easy channel selection and units of measure
Console

It has an 8-channel selectable switch that lets you track the temperature from 8 different locations. It also has a sensor search mode that can be utilized to re-sync sensors having to re-insert or remove the batteries. Some of its characteristics are:

  • Wide-range300’ transmission range under ideal conditions and 100’ under extreme weather conditions
  • Fast Update – The console will update every 60 seconds
  • Battery Back-up – You can rely on this additional battery when the 4 x AAA 1.5V batteries deplete
What we like:
  • Water resistant design
  • Easy to use by beginners
  • Affordable and Reliable
What we dislike:

✖ Solid metal obstructions weaken the signal

Verdict

With the acquisition are included a remote and 7 sensors that grant comprehensive monitoring of various water bodies, not only the pool. Best of all, this is one of the cheaper options on the market, which is truly surprising seeing how accuracy is one of its strong points.


3. Ambient Weather WS-20 – Best Digital Wireless Pool Thermometer

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Specifications:


  • Wireless transmission: 300’
  • Frequency: 433 MHz
  • Update rate: 60 seconds
  • Monitored locations: 8

  • Temperature range: -40°F to 140°F
  • Powered by: 4 x AAA batteries
  • Console dimensions: 4.5” x 5” x 1”
  • Warranty: 1 year





With it, you can learn the temperature of the pool water no matter if you’re by the poolside or indoors sitting comfortably on the couch as the sensor features a display that lets you check out the value when you’re outside, while inside you can read the temperature value off the display of the console, this way going out only when it’s high time to jump in the water for a swim. It is reasonably priced, which is surprising considering how accurate are the readings it provides. Moreover, comprehensiveness and ease of use are two undoubtable strong point of the system, operation and functions being thoroughly explained in the user manual.

Thermometer

There are two thermometers included in the package, one that is wireless, and one that floats and measures 8.5” by 4.2” by 3.7”. The floating model just needs to be dipped into the water to start collecting water temperature readings. As well as, it features an 8-channel selectable switch. Some of its particularities are:

  • Range – In open air, under ideal conditions, it provides a 300-foot line of sight wireless transmission
  • LCD – Easy to read temperatures off of it when you are outside, while the 60-second update rate ensures the provided temperatures are of actuality
  • Wireless Model – It works outdoors when the temperature ranges from -40°F to 140°F, and updates the readings it provides once every 60 seconds
Console

In addition to displaying the readings that the other units pick up so that you may learn what the pool water temperature is without getting out of the house, the console also reads indoor temperature. Some of its particularities are:

  • Locations – It can be used to monitor up to 8 different locations at a time, and it requires 4 AAA batteries to run
  • Re-sync – Its re-sync mode really comes in handy as it ensures reception between it and the thermometer will be automatically reestablished in case an interruption occurs
  • LCD Size – It features a clear LCD screen that measures 3.75” in length and 3.5” in width
  • Console – The console itself measures a mere 4.5” in length, 5” in height, and 1” in width
Mention Worthy Details
  • Provides convenient dip switch selectable remote channels.
  • Its outdoor operational temperature ranges from -40°F to 140°F.
  • Sends off audible and visual alarms when the temperature passes the minimum and maximum settings you have set.
  • Perfect for all fluid based operations, not limited to use in the pool.
Line of Sight

The product’s line of sight is one of the main interest points as it shows what the distance that can be kept between the transmitter and the receiver is. With the WS-20, you enjoy a great line of sight ranging up to 300’ in ideal conditions where there are no serious obstructions along the way. However, in most conditions, where thick walls and other impediments exist on the path between the two, the line of transmission provided is approximately 100’.

What we like:
  • Impressive update rate once every 60 seconds ensures correct temperature readings
  • Selectable switch lets you choose any of the 8 different channels
  • LCD display offers a convenient, easy manner to keep track of the pool water
  • Battery backup ensures it will never cease to operate, regardless of the conditions
What we dislike:

✖ Customer service could be better

Verdict

The reason why we recommend this model is due to the fact that with an update rate of 60 seconds, you are ensured of the fact that the provided readings are of actuality. It comes with a console and the unit itself, a wireless transmission existing between the two. Furthermore, if anything interrupts the transmission, the re-sync mode reestablishes the connection so that no operational issues exist.


2. B&H Duck – Editor’s Choice

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Specifications:


  • Material: PVC, ABS, PMMA
  • Design: Floating
  • Resolution: 0.1°C
  • Accuracy: +/- 1°C

  • Temperature range: 32°F to 122°F
  • Powered by: 2 x LR44 batteries
  • Dimensions: 5.3” x 3.6” x 3.4”
  • Warranty: N/A





This floating duck works as a thermometer, as well as a clock, and it displays temperature in Celsius and Fahrenheit to help you read with ease regardless of the setting you are familiar with. You don’t have to worry about safety as it has an alarm which announces you whether the temperature is high or low. If the water is too high, the device will flash and beep so you will know straight away. In order to make it work, you will need to use two LR44 batteries.

Complies To Safety Standards

In addition to this, you can allow it to float for numerous hours under direct sunlight due to the fact that it has been made from ABS and PVC materials. As well as, it also has been made from Plexiglas material. Some of its features are:

  • Temperature Range – It will record a temperature between 32°F to 122°F
  • Digital Display – The display is easy to understand as the numbers are large and bulky
  • Clock – Can be used as a clock as well
Practical Design

Even though it has a fun design, it doesn’t mean that you should fear it or use it for a limited time. Even though it is made with ABS, it’s BPA-free which means that it won’t contaminate the water.Some of its safety features are:

  • Edges – These are not sharp, so there’s no risk of you getting hurt as you swim
  • Temperature – Displayed in real-time to keep you aware of environmental conditions
  • Battery – This has been designed with a sealed battery which means that it will ensure safety
What we like:
  • Easy-to-read display
  • The material doesn’t contaminate the water
  • Fun and quirky
What we dislike:

✖ It has to be cleaned once in a while

Verdict

Without a doubt, this product is loved by parents that want to provide something fun and quirky for their children. All of the materials used are safe and it doesn’t contaminate the water even if it’s kept in the water for many hours. Even though it doesn’t have a professional design, it doesn’t mean that it’s any less accurate.


1. Etekcity 1022D dual Laser – Best Overall

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Specifications:


  • Type: Infrared, handheld
  • Accuracy: +/- 2°F
  • Distance spot ratio: 12:1
  • Response time: <500ms

  • Temperature range: -58°F to 122°F
  • Powered by: 1 x 9V battery
  • Dimensions: 7.5” x 4.7” x 2.2”
  • Warranty: 2 years





This dual-laser model has a high accuracy of +/-2 degrees Fahrenheit, and it can be used to measure temperatures ranging from 58F~1022F. A feature that stands out is the automatic shut-off that activates after 2 minutes of it not being used to preserve battery life. Another neat feature is that the LCD screen it features is backlit to make it easy for you to read the info it displays.

Innovative Technology Integrated

This technology ensures accurate temperature measurement not only for pool water, but for barbecues and auto maintenance as well, among other things. Some of its design traits include:

  • Dual Laser – The dual targeting technology allows it to calculate a larger area for more accurate results
  • Fast – Response time is under 500ms
  • Material – The build protects the gadget if you use it for reading temperatures above boiling point and below freezing
  • Indicator Light – Shows when the battery power is low
Safe and Reliable

You can rely on it to provide you with numerous years of efficiency as it has been tested and is FDA, FCC, and CE approved. In addition to this, you can purchase it in confidence as you will be protected by a 2-year warranty. Please remember, in order to get accurate results, we recommend that you keep it approximately 14.17-inch from the pool.

What we like:
  • Designed with unit conversion
  • Suitable to measure different temperatures not just the pool
  • Large LCD screen
What we dislike:

✖ Made with a few smart features

Verdict

The reason why we recommend this model is due to the fact that it’s versatile. You can use it anywhere and on anything you want to know the temperature of. All you will need to do is to insert the 9V battery and scan the item. You will get a fast reading of the exact temperature.


Top 6 Comparison

Photo Products Price
Etekcity 1022D dual Laser Image
Best Overall
1. Etekcity 1022D dual Laser
  • Type: Infrared, handheld
  • Accuracy: +/- 2°F
  • Distance spot ratio: 12:1
  • Response time: <500ms
  • Features: Automatic shut-off; Data hold function; Low battery indicator; Backlit display; Max temperature function; Fahrenheit/Celsius selection; Adjustable emissivity
  • Power requirements: 1 x 9V battery
  • Warranty: 2 years
Check Price at Amazon
B&H Duck Image
Editor’s Choice
2. B&H Duck
  • Material: PVC, ABS, PMMA
  • Design: Floating
  • Resolution: 0.1°C
  • Accuracy: +/- 1°C
  • Features: Fahrenheit/Celsius settings; Clock; LED alert temperature; Timer
  • Power requirements: 2 x LR44 batteries
  • Warranty: N/A
Check Price at Amazon
Ambient Weather WS-20 Image
Best Digital Wireless Pool Thermometer
3. Ambient Weather WS-20
  • Wireless transmission: 300’
  • Frequency: 433 MHz
  • Monitored locations: 8
  • Update rate: 60 seconds
  • Features: LCD display; Min/Max indoor and outdoor temperature; Re-sync mode
  • Power requirements: 4 x AAA batteries
  • Warranty: 1 year
Check Price at Amazon
Ambient Weather WS-14 Image
Best for the Money
4. Ambient Weather WS-14
  • Wireless transmission: 300’
  • Frequency: 433 MHz
  • Monitored locations: 8
  • Update rate: 60 seconds
  • Features: Re-sync mode; Min/Max for indoor and outdoor temperature; 8-channel selectable switch; LCD display
  • Power requirements: 4 x AAA lithium or alkaline batteries
  • Warranty: 1 year
Check Price at Amazon
MotherMed Image
Best Baby Bath Thermometer
5. MotherMed
  • Type: Pool water, baby bath water
  • Measurement mode: Intermittent
  • Material: BPA-free plastic
  • Update rate: 5 seconds
  • Features: LED warning light; Waterproof; Automatic shut-off
  • Power requirements: 1 x CR2 battery
  • Warranty: N/A
Check Price at Amazon
Yowosmart Wireless Image
Best with Temperature Sensor
6. Yowosmart Wireless
  • Wireless transmission: 100’
  • Frequency: 433 MHz
  • Monitored locations: 3
  • Update rate: 30 seconds
  • Features: Fahrenheit/Celsius settings; Max/min indoor temperature and water temperature; Clock; Date; Week; Alarm
  • Power requirements: 2 x AAA 1.5V batteries
  • Warranty: 1 year
Check Price at Amazon

Buying Guide

Line of Sight

The line of sight indicates how far the device can wirelessly transmit the data that it is gathering regarding the pool’s temperature. When you buy a model that works with a transmitter, it is crucial to pay attention to this spec as it shows how big of a distance can be kept between the two. High-rated models offer a minimum 300’ line of sight, allowing you to place the transmitter in the house and check the water’s temperature without stepping outside.

How It Is Powered

As you likely already noticed, these devices are either exclusively battery-powered or solar-powered with battery backup. Undoubtedly, the solar-powered models are a more Eco-friendly choice to go with, and we recommend that you invest in them.

What Is Included in the Package

Some come on their own, while other models come with a transmitter onto which the data gathered is transmitted to offer you a more convenient manner of finding out how cold or warm the pool water is. Obviously, it is a better deal to invest in a model that comes with both a receiver and a transmitter because the price difference is not that big and you will have a more easy-to-use device as well.

Warranty

The warranty that backs it up not only shows for how long the manufacturer is willing to repair or replace it free of charge, but it shows how much the manufacturer trusts the device as well. Thus, a 1-year warranty like the one offered for the Ambient Weather WS-14 shows that this is a high-end product that is made with durable materials and attention was paid to every detail when manufacturing it.


Useful Troubleshooting Guide


Just like all digital products, pool thermometers can eventually develop functionality issues, and to preserve your acquisition, you must know what action to take when troubleshooting is needed. A guide comes in handy as there are a few common malfunctions that generally appear, issues that have quick and easy fixes that you could perform on your own. Thus, instead of calling customer support for any bump in the road, just check to see if the malfunction you’re confronted with appears in the following table and fix it according to the provided instructions.

Problem How to Fix It
Wireless remote does not communicate with the station
You have passed the line of sight communication range. You must move closer to the remote sensor.
Remove and reinsert the batteries. The station might have exited the search mode.
Move the station away from other wireless transmitters or receivers, TVs, laptops, and all electrical noise emitting devices.
Make sure that there is not an earth barrier or solid metal wall in the path of the remote sensors.
Install new batteries – go with lithium-ion.
Weak display station contrast Batteries are running out of power – replace them.
Different temperature displayed on the station and the remote sensor When the transmission is intermittently lost, the station and the sensor disagreeing on results, you must take the thermometer to a professional service.

Conclusion

Pool water temperature is a factor you must be aware of if you want to swim under the safest conditions possible as, otherwise, you risk catching a cold or witnessing other complications. This is why an accurate digital thermometer is a must for pool owners, especially for those who have kids as the small ones are more predisposed to getting sick if the water temperature isn’t right for their bodies.

Best digital pool thermometer on the market: Etekcity 1022D dual Laser

If you enjoy new technologies, you should consider Etekcity 1022D as it will calculate the temperature from a distance. In addition to this, this thermometer is multi-functional as you can use it for the barbecue and auto maintenance. The fast response of ≤500Ms will provide you with accurate information so you don’t have to wait around meaninglessly.

Editor’s choice: B&H Duck

If you like models that provide you with versatility, you will quickly fall in love with this product. The reason for this is because it can be used as a water and room thermometer, as well as a clock. Additionally, the quirky design makes a wonderful toy for the little ones. As the battery is sealed you don’t have to worry about the child’s safety. Made from Plexiglas material, it is safe to be used in the pool. It’s also BPA-free, which means that it’s safe for long-term use as it doesn’t contaminate the water.

Best digital pool thermometer for the money: Ambient Weather WS-14

Cheap but very liked among customers due to the precision of the temperature readings it provides, the WS-14 can wirelessly transmit over a distance of up to 300’ the data it records to the console that you neatly place inside the house. This way, you just check out what the console displays and get off the couch to jump in the pool only when the temperature is at your desired level.

Best digital pool thermometer with temperature sensor: Yowosmart Wireless

Versatility is key with this product as not only can it provide you with info regarding pool water temperature, but the console that you use indoors also delivers ambient temperature readings for the room it’s placed in. Thus, you basically get a 2-in-1 product that serves unexpectedly well considering the reasonable asking price.

Logan Hewitt
Logan Hewitt
Logan was born and raised in Bakersfield, California, one of the most affected American cities by pollution, experiencing firsthand the phenomenon’s dangers. He worked in retail for a small electronics shop for 5 years, where he had his first experience with air purifiers. With his interest in technologies that are meant to improve life quality and the technical skills he gained with the passing of time, Logan is able to provide readers with in-depth analysis of life-changing devices.