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Found 64 results for the keyword(s) ‘Air Quality’

• Article

  Overview: To HRV-ERV or not to HRV-ERV

  I am always amazed at house construction where so often things are half built or more while people are running around beginning to think about "extras" that should never be though of as "extras" but as part of the essential system. So time for one of my lectures -- (you asked for it).Heating is o...
• Article

  HRV - both supply and exhaust ducted to furnace. Is this a good idea?

  I have occasionally been asked my opinion about a particular way to install a ventilation system (HRV - Heat Recovery Ventilator) that is considered acceptable in Ontario: Ducting both the supply and the exhaust runs of an HRV into the return air plenum of a forced air furnace. To understand t...
• Article

  Indoor Air Quality

  Exhaust fans are the minimum necessary in houses for taking out stale air. You may have a fan, but it may not be working. It could be clogged up, improperly installed or simply too noisy for anyone to turn it on. Quiet fans, with good controls are a must in our energy efficient and often stuff...
• Article

  Special Report: Mould in your house

  Mould will form anywhere you have moisture for a long period of time at a warm temperature. Some moulds grow and feed on organic materials including drywall paper, wall paper glue and of course wood. Other moulds simply grow on the surface, which means that moulds can grow wherever they can...