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Digital Pool Thermometer

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108

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 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.

Best of all, these items 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 own home. But let’s not waste time and get to find out what the best thermometers on the market are.

6. Yowosmart Wireless Pool Thermometer – 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℉ – 140℉
  • Powered by: 2 x AAA 1.5V batteries
  • Console dimensions: 5” x 3” x 1”
  • Warranty: 1 year





With it, you will be able to monitor the temperature of the pool water, as well as the temperature indoors. Thus, you get to be 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 degrees to 140 degrees Fahrenheit
  • Transmission – It has a data transmission time of 30 seconds
  • Distance – The working distance between the console and the transmitter is 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 be used for more than just pool water temperature measurement as it works for bathtubs and fishponds 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℉-122℉
  • Powered by: 1 x CR2 battery
  • Dimensions: 3.7” x 3.8” x 1.3”
  • Warranty: N/A





The fun design of the MotherMed visually indicates that this is a good choice for parents of small children. As the temperature range it reads spans from 32 to 122 degrees Fahrenheit, it can be used for pools and baths. Moreover, it is accurate within +/- 1℉, 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 let you know and not put the child inside, risking harm otherwise. Thus, you can see from afar whether water temperature is OK 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 pol 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 indoor or an outdoor pool, with the WS-14 you will be able to conveniently learn water temperature as the device floats on the water and features a display where you can check the recorded values. Moreover, the console lets you read temperature values from inside the house so that you won’t have to travel to the pool until the water’s just right for swimming.

Smart Sensors

This thermometer 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 monitor the temperature from 8 different locations. It also has a sensor search mode that can be used to re-sync sensors having to re-insert or remove the batteries. Some of its characteristics are:

  • Wide-range – 300’ 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 the WS-20 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, more precisely a wireless model and the floating thermometer. The floating thermometer measures 8.5 inches in length, 4.2 inches in width, and 3.7 inches in height, and you simply have to dip it in the water for it to start reading the temperature. 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 – The LCD display makes it 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 Thermometer – The wireless thermometer included works outdoors when the temperature ranges from -40 to 140 degrees Fahrenheit, and updates the readings it provides once every 60 seconds
Console

In addition to displaying the readings that the other thermometers 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 inches in length and 3.5 inches in width
  • Console – The console itself measures a mere 4.5 inches in length, 5 inches in height, and 1 inch in width
Mention Worthy Details
  • Provides convenient dip switch selectable remote channels.
  • Its outdoor operational temperature ranges from -40 to 140 degrees Fahrenheit.
  • 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 feet 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 of approximately 100 feet.

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 thermometer 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 Thermometer – Editor’s Choice

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Specifications:


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

  • Temperature range: 32℉ – 122℉
  • 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 will let you know 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 2 LR44 batteries.

Complies Toy 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 – The thermometer will record a temperature between 32-degrees to 122-degrees Fahrenheit
  • Digital Display – The display is easy to understand as the numbers are large and bulky
  • Clock – This unit is also a clock and can be used as a room thermometer 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 Thermometer – 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 1022°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 58°F~1022°F. 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 2-years 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 this thermometer anywhere and on anything you want to know the temperature of. All you will need to do is to insert 1 x 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 Thermometer Image
Best Overall
1. Etekcity 1022D dual Laser Thermometer
  • 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
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B&H Duck Thermometer Image
Editor’s Choice
2. B&H Duck Thermometer
  • 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
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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
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
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
Yowosmart Wireless Pool Thermometer Image
Best with Temperature Sensor
6. Yowosmart Wireless Pool Thermometer
  • 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

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 which 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 Thermometer

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 Thermometer

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 Pool Thermometer

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.