HVAC Research

1. Equipment to measure test indoor room air circulation cubic feet - Google Search
   • CFM: How to Measure Cubic Feet per Minute and Airflow
2. Anemometers for Air Flow Measurement
3. What are safe levels of CO and CO2 in rooms?

Measurement Devices

The most common air flow measurement device used in HVAC systems is a hand-held vane anemometer or a hand-held hot-wire anemometer.

1. CO2Meter.com
2. Anemometers - Amazon
   • Koselig Instruments - Hotwire Anemometer - $150