What do all indoor air quality monitors have in common?
Indoor air quality monitors come in different form factors - some sit on your counter or table, some have a battery and can be carried around, while others are mounted to the wall. Most have the ability to measure the amount of particles and chemicals at varying degrees of accuracy and repeatability, though some devices are equipped with specialized sensors for certain gases or radon.
One attribute these indoor air quality monitors have in common is that they measure air only in the room where they are currently placed. Portable monitors can be moved from room to room, but it can never measure all rooms at once. In addition, most stationary or portable monitors measure particles using the same technique: a small fan that forces the air through a laser beam. This technique works well, but these small fans have mechanical parts that can fail if the device is dropped, if the motor or bearing fails, or if too many large particles clog the tiny air channel. To summarize, common air quality monitors only measure one room at a time and have moving parts that can fail after a few years of use.
Most modern single family homes have a central air systems that is designed to move the air throughout the whole home while heating or cooling. Generally speaking, a home's air is circulated by the central HVAC system first through the return ductwork, then into the filter, air handler, then back out to the home via the supply ductwork. So why monitor the air in only one room if there is a location that all of a home's air is being moved through?
How is the Central Air Monitor Unique?
At HAVEN, we've spent much of the last five years in the lab, researching and building a product that's truly unique. Our Central Air Monitor is very different from other air monitors: it measures all the air in a home while having no moving parts. The Central Air Monitor takes air quality measurements inside of the return duct using the air handler blower fan, which is designed to last 10 years or more.
Through the HAVEN IAQ software, a homeowner can set up automations that respond to air quality events and receive notifications of pollutant spikes, as well as reminders of when the central air filter needs to be changed. In addition, the HAVEN team individually calibrates each device at different airflow rates, which has resulted in particle detection performance comparable to lab-grade equipment.
We've recently produced a video where HAVEN's CTO and Air Quality Scientist explain the inner workings of the Central Air Monitor and its benefits compared to other air quality monitors.
If you're interested in learning more on any of the topics covered here, head over to the HAVEN Community — where homeowners, professionals and HAVEN team members discuss HAVEN products and IAQ solutions.
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