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Meeting Stringent CO2 Building Code Requirements


As today’s world is struggling to come to grips with a worldwide pandemic and the rapid spread of viruses, accurate and reliable indoor air quality monitoring has become a crucial part of existing and newly updated building codes. This white paper discusses carbon dioxide (CO2) monitoring requirements as covered by California’s Title 24 standard (one of the strictest building code standards... » read more

PurpleAir: IoT Sensor Soars To 13,000 feet


Startup PurpleAir makes a living counting dust. Its consumer-level sensors measure particles of dust in air—airborne particulate matter (PM)—using laser particle counters that can count particle sizes 0.3µm up to 10µm. Add power, WiFi, the Internet, and PurpleAir pulls all the data from the devices into an online map showing extremely local air quality around the world, wherever devices a... » read more