9.6

Overall Score: 9.6/10

Consumer:9.6/10

📖 Read TLDR Review to learn more →

Testo

Testo 605i Thermohygrometer

Name: Testo 605i Thermohygrometer
Brand: Testo
SKU: B07V717PFD
Availability: InStock
Rating: 4.7 (298 reviews)

The Testo 605i Thermohygrometer is an excellent choice for those needing accurate and reliable indoor temperature and humidity measurements, especially HVAC professionals. With Bluetooth support, real-time graph display, and data visualization capabilities, it offers a comprehensive tool for both residential and commercial use. However, the price might be a bit steep for casual users, and potential buyers should verify compatibility with their smartphones and the specifics of the warranty before purchasing.

Model: 0560 2605 03UPC: 4029547022531

Lowest at Amazon

$113.53 at Amazon

Lowest at any Popular Retailer

$113.53 at Amazon

Where to Buy

Prices last updated: April 19th 2026 5:08 am

Retailer	Price	Buy Now
Amazon	$113.53	Buy Now
T TestEquipmentUSA	$134.30	Buy Now
G Global Test Supply	$140.25	Buy Now
T TEquipment	$140.25	Buy Now
T TruTech Tools	$140.25	Buy Now

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TLDR Review: Testo 605i Thermohygrometer

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Product Score

Based on professional reviews and customer feedback

9.6/10

Overall

9.6

Consumer

Why this score?

The Testo 605i earns a high score due to its impressive accuracy and user-friendly Bluetooth connectivity, making it a valuable tool for monitoring temperature and humidity in various applications. Although some users noted limitations in integration with other Testo devices and range, the overall customer feedback highlights its reliability and performance for HVAC tasks at a reasonable price.

8+ Excellent

6-8 Good

4-6 Average

<4 Poor

Score

9.6/10

Overall

Pros

•High accuracy for both indoor temperature and humidity measurements
•Bluetooth support for easy data transfer and integration with smartphones
•Compact and lightweight design makes it portable and easy to use in various environments
•Reaime graph display for immediate visualization of data
•Long battery life reduces the need for frequent recharging
•Suitable for both commercial and residential use, including HVAC professionals
•Durable materials ensure a lonasting product
•Useful for temperature monitoring in coolers and dew point verification
•Data can be viewed in graphical or tabular form, enhancing versatility

Cons

•Limited details on compatibility with different smartphone operating systems
•Price might be high for casual users only interested in basic temperature and humidity checks
•Specific weight not mentioned, which might be a minor concern for some potential buyers
•Detailed specifics of the warranty are not clear and may require contact with the seller

Bottom Line

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What Reviewers Are Saying

Praised

accurate readings27%

Bluetooth capability27%

long battery life18%

easy to use18%

compact design18%

reliable tools9%

Criticized

not great range9%

needs smartphone app9%

Customer Ratings

4.7

298 reviews

86%

Based on 298 reviews from Amazon

Professional Reviews

Review of Testo 605i ThermoHygrometer

topprotools24.com

Common Questions

The Bluetooth connectivity on the Testo 605i is pretty neat, especially if you're in a field that needs precise climate data like HVAC work. The manufacturer describes it as a handy device that measur...

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