After an exchange about hydroxyl air purifiers, Mike asks another question:
"What is your opinion on purification units with HEPA and carbon filters versus the hydroxyl technology. I am reading a lot about fine particle pollution I.E dust and I notice that this (hydroxyl) technology does not eli...
For the first time in history most Canadian National Codes are free.
As of April 2019, the NRC is offering free access to the downloadable and electronic formats of the National Building Code, the National Fire Code, the National Plumbing Code, and the National Energy Code for Buildings, as w...
John from Halifax wrote in asking about replacing his salt based water softener with an electronic water softener to make it easier to water his lawn.
Note 2020: I originally wrote this article in 2004 and many products have come and gone since then. I recently received several requests to l...
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This is one of those problems that are not dealt with seriously enough by the building officials in really cold regions. I have opened a blog space at the bottom of this article for you to add in your case history so we can demonstrate that this is a large and conti...
