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Testo
HVAC
Balometers

Testo 420 Balometer Flow Hood Review

By:
Brady
•
Created:
2 August 2026
•
Modified:
7 September 2026

Hello everyone. Today we're going to take a look at an exciting new Testo testing device, the Testo 420 Balometer Flow Hood with Portable Soft Case. Testo has recently begun creating high-tech wireless-enabled devices that take much of the time, and nearly all the guesswork, out of HVAC work and this balancing instrument is leading the pack with innovative, lightweight design and a wide range of great new features.

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Testo 420 Balometer Capture Hood for Air Flow Balancing
Testo
HVAC
Combustion Analyzer

Testo 310, 300 Combustion Analyzers Fully Featured and Priced Right

By:
Grace
•
Created:
3 September 2015
•
Modified:
23 September 2026

Testo 310 has been replaced with Testo 310 II.

READ MORE →
Testo 310 Combustion Analyzer
Testo
HVAC
Anemometers

Testo 416 Mini Vane CFM Anemometer Review

By:
Max
•
Created:
31 July 2015
•
Modified:
23 September 2026

Today I am reviewing the 416 Mini Vane CFM Anemometer from Testo. The Testo 416’s primary operation is to measure volume flow quickly and accurately. The Testo 416 is great for flow velocity measurements in ducts, evaluating thermal comfort, HVAC installation, repair, diagnostics and optimization, fume hood testing, installation, and verification, ventilation system installation, servicing, and analysis, environmental wind testing, ionizer flow output, automobile aerodynamic testing, plant/facilities maintenance, etc.

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Testo 416 Mini Vane CFM Anemometer
Testo
HVAC
Anemometers

Testo 435-2 HVAC Ventilation System Analyzer Review

By:
Sam
•
Created:
24 May 2015
•
Modified:
23 September 2026

Today I will be reviewing Testo 435-2 HVAC Ventilation Analyzer. This meter is designed to be used for measuring room climates, inspecting and maintaining vent and air conditioning installations, and assessing the quality of room air. There are many options to choose from for the base model of Testo 435. This particular analyzer is a customizable handheld meter that can store up to 10,000 measurements and comes with PC software for report creation and analysis.

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Testo 435-2 HVAC Ventilation System Analyzer
Testo
HVAC
Manifolds Digital

Testo 550 Digital Manifold with Bluetooth 0563 1550 Review

By:
Brady
•
Created:
23 April 2015
•
Modified:
23 September 2026

Greetings all. Today we’re going to take a look at the new and improved Testo 550 Digital Manifold with Bluetooth that retains the excellent features of the old version 550 but now includes wireless connectivity and comes at a reduced price. This new version of the 550 is a great deal for customers that want to get into digital manifolds and improves upon the old model in nearly every way.

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Testo 550 Digital Manifold with Bluetooth 0563 1550
Testo
HVAC
Manifolds Digital

Testo 549 Digital Manifold System 0560 0550 Review

By:
Sam
•
Created:
10 April 2015
•
Modified:
23 September 2026

Today I will be discussing the New Testo 549 Digital Manifold 0560 0550. This is a brand new offering from Testo and even makes the bold claim to make analog manifold gauges obsolete. With a price of $199 it is not hard to imagine why.

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Testo 549 Digital Manifold System 0560 0550
Testo
HVAC
Refrigerant Leak Detectors

Testo 316-3 Refrigerant Leak Detector Review

By:
Brady
•
Created:
6 April 2015
•
Modified:
23 September 2026

Greetings everyone. Today’s post will take a quick but detailed look at the Testo 316-3 Refrigerant Leak Detector which offers all the quality and features one has come to expect from a Testo product along with a couple unique qualities like great accuracy and superior sensitivity.

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Testo 316-3 Refrigerant Leak Detector
Testo
HVAC
Combustion Analyzer

Testo 320 Combustion Analyzer Review – Accurate Results, NOx Filters and more

By:
Sam
•
Created:
17 February 2015
•
Modified:
23 September 2026

Combustion testing is an important part of many heating contractors businesses. Having an instrument that they are confident in and can trust is very important. Testo is one of the leading brands when it comes to combustion analysis. The Testo 320 Combustion Analyzer is the premier residential combustion analyzer that they offer and it has many features that are important to technicians. First off, the unit has a 2 year warranty, Bluetooth capabilities and storage for 500 tests.

READ MORE →
Testo 320 Combustion Analyzer
Testo
HVAC
Manifolds Digital

Testo 550 Series Refrigerant System Analyzer Review

By:
Sam
•
Created:
5 August 2014
•
Modified:
24 September 2026

Summer is in full bore and there is no better time to discuss Testo’s 550  Refrigerant System Analyzers. These analyzers are a great upgrade for any technician who is not currently using a RSA.

First off, this unit is preprogrammed for 34 refrigerants instead of the 3 gasses most manifold gauges are calibrated for.  This gives you a lot of relief of not having the right tool for the job. Another benefit of the Testo 550 Refrigerant System Analyzer is that all the information is displayed on a single screen.

READ MORE →
Testo 550 Series Refrigerant System Analyzer
Testo
HVAC
Combustion Analyzer

Testo 310, 320, 330 Combustion Analyzers Review

By:
Brady
•
Created:
20 November 2013
•
Modified:
24 September 2026

Testo 310, 320, 330 Combustion Analyzers have been replaced by the newer generation versions.

READ MORE →
Testo 310, 320, 330 Combustion Analyzers
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Equipment Types

  • AC Vacuum Pumps
  • Cable Certification
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  • Data Loggers
  • EMF Testers
  • Electrical Testers
  • Gas Monitor
  • Ground Resistance Testers
  • Incubator Analyzers
  • Infrared Thermometers
  • LAN Network Cable Testers
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  • Power Energy Logger
  • Power Quality Analyzer
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  • Combustion Analyzer
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