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Restaurant Carbon Monoxide Issue Discovered and Solved!

“Carbon monoxide (CO) gas is one of the most widespread and dangerous industrial hazards. It is the most common cause of occupational gas poisoning leading to death. It can be lethal at concentrations as low as 1000 parts per million (ppm).” WorkSafe BC. (1) Unintentional CO exposure accounts for an estimated 15,000 emergency department visits and 500 unintentional deaths in the United States each year. (2)

Businesses Can ‘Breathe Easy’ Knowing Aretas’ New Particle Sensor Will Monitor Their Indoor Air Quality

08-February-2013 Mackenzie, Canada (February 8, 2013) – A report by the Canadian Medical Association in 2008 estimated that up to 21,000 Canadians would die that year from air pollution—with dangerous particulate matter being one of the specific pollutants identified.

Indoor Air Monitoring Company Launches New Differential Pressure Monitor


Indoor Air Monitoring Company Launches New Differential Pressure Monitor

Global Carbon Emissions for 2010 Reach Record High

Global carbon dioxide emissions for 2010 rose a whopping 5.9%, totaling 9.1 billion tonnes.

According to the Global Carbon Project, an international collaboration of scientists, this is the highest level ever reported, and the highest annual growth rate recorded since 2003. Preliminary estimates show the 5.9% increase in emissions results from the economic rebound of the 2008-09 economic crisis.

Canadian Homeowners Wish for Cleaner Air and More Energy-Efficient Heating

In a new poll conducted by the Canadian market research company, Ipsos-Reid, most homeowners surveyed would ideally like their homes to have cleaner air quality, and to have more energy and cost- efficient heat production.

Coming Soon, Solution Bounties!

Apart from physical R&D and manufacturing, the Aretas Sensor Networks software & firmware research, development and commercialization is performed by a geographically diverse network of employees and contractors that collaborate collectively using open source project management systems and tools. This allows members of our team as far away as Brazil to contribute to projects on a regular basis.

A Kaizen Like Algorithm for Iterative PMV

One of the interesting conundrums about the PMV calculation is that it's a predicted mean vote. And it was (presumably) built around statistics gathered decades ago. However, the PMV itself is really a subjective criteria. And subjective criteria are often best quantified and correlated with real world data.

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