Spring has sprung!
Before you turn on your hose bib this season make sure it didn't freeze over winter. Have a hose connected with the nozzle turned off and turn it on slowly. The hissing noise will stop once the hose gets to pressure. If it doesn't, turn it off quickly as the hose bib has likely frozen and cracked.
This guy must have been looking for someone to fix his "quacked" pipes ;)
For all your plumbing, heating, and cooling needs give us a call at Service First Tradeworks Ltd. (250) 832-5558 or (250) 675-3668 :). We are always happy to help!