HVAC Shop Blog
Testo 420 Flow Hood: Complete Guide for HVAC Air Balancing
Learn how the Testo 420 flow hood helps HVAC technicians measure air volume, balance commercial systems, choose the right hood size, use accessories and generate accurate commissioning reports.
Balance Air with Air Balancing Tools (HVAC Must-Do!)
Struggling with uneven temperatures and poor airflow? This guide breaks down HVAC air balancing, including how to measure CFM, when to use anemometers vs airflow capture hoods, and how proper balancing improves system efficiency, comfort, and performance.