TSI supports the work of architects, builders, engineers, testing, adjusting & balancing (TAB) companies, contractors and installers, commissioning agents, and facility professionals alike.

TSI's solutions are the gold standard for HVAC consultants who demand precision, reliability, and ease of use in their work. With a reputation built on cutting-edge technology and rigorous quality standards, TSI offers a comprehensive suite of tools that empower you to perform your job with unmatched accuracy. Whether you're conducting airflow measurements, assessing IAQ, or fine-tuning HVAC systems, TSI’s instruments provide the precise data you need to make informed decisions. 

HVAC Duct Traverse

As an HVAC consultant, accurately measuring airflow in duct systems is essential for optimizing performance. A duct traverse is a fundamental skill for obtaining precise air velocity and volume flow measurements. This involves placing instruments like a pitot tube or hot-wire anemometer across the duct's cross-section and taking readings at intervals to calculate average air velocity. Mastering this technique helps diagnose airflow issues, ensures system efficiency, and verifies design compliance, making it a critical tool in your HVAC expertise.
 

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PM2.5 Versus PM10

Why They Sometimes Read the Same and What it Means for Commercial Indoor Air Quality

Particulate Matter

PM2.5 Versus PM10

Why They Sometimes Read the Same and What it Means for Commercial Indoor Air Quality

Particulate matter (PM) is a serious air pollutant that can have detrimental effects on human health. PM can be classified based on size, with PM2.5 and PM10 being the most commonly measured. However, it's not uncommon to see the same readings for PM2.5 and PM10, particularly indoors. Read on to explore why this is the case and what it means for air quality inside your building.

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Using MERV 13+ Filters May Minimize Virus Spread

Filtration traps particulates, which plays a key role in helping minimize the spread of the virus to areas of the building served by the HVAC system and ductwork. Research shows that the particle size of SARS-CoV-2 is approximately 0.1 micrometer (µm). However, the virus particles are human-generated, and when exhaled, the virus will be attached to the respiratory droplets that are larger than the individual virus. 

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