As of August 2007 in Ontario, gas appliances which allow for plastic exhaust vents must use 636 certified venting. The Fuel safety Authority also known as TSSA (Technical Standards Safety Association) issued a directors order that ABS piping that was commonly used in the industry is no longer legal to use for venting gas appliances.
There [...]

Rust coming from your hot water tap is not uncommon after a period of time, especially in the bath tub. People who live at the end of a “court” will get it the worst as it is a dead end line for city water mains.
People who live on crescents will get also get their fair [...]

Based on a couple of comments sent to the Backyardman surrounding the explanation of air retirements for gas appliances,  I have made an Excel spread sheet that can be downloaded and used for calculations and help remove some of the guess work. It will tell you if you have enough air or not for your [...]