“Quality is never an accident...

it is always the result of intelligent effort.”

- John Ruskin

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Indoor Air Pollution From Marijuana Emissions


Indoor Air Pollution From Marijuana Emissions As Bad As The Worst Wildfires


In a year that experienced the nation’s worst wildfires in recent history, it is significant that the latest research on marijuana vaping and dabbing shows indoor particulate concentrations equivalent to dangerous air pollution events.

Image result for marijuana plant

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Radiant Cooling – Part 2

Typical radiant cooling installation methods. Image courtesy Uponor

One of the most common questions asked about radiant cooling is “How do you deal with humidity in the air and the potential for condensation on the slab?” This probably leads to the most angst and uncertainty with engineers thinking about water damage, mould and safety issues. While this is an extremely critical design issue, it is one that is easily overcome with good design and controls.

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Radiant Cooling – Part 1

Most heating professions are very familiar with the principals of radiant floor heating systems and how they work. These systems have become an accepted part of the HVAC offering of many engineers and contractors, as they have proven to offer customers comfortable, efficient, healthy and quiet heating systems. Ask many of those same engineers and contractors about radiant cooling systems and you will probably get a mix of confusion, fear of the unknown and dismissal.

Manitoba Hydro Place in Winnipeg, MB, is a well-known application of radiant cooling.

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