DENVER, CO -- When many denver metro area residents opened their shower faucets this Wednesday morning, not a single drop of water came out. The sign of a frozen pipe! Since then plumbers have been working nearly round the clock trying to thaw out frozen pipes.

Plumbing technician say homeowners can take several steps to protect their pipes, among them:

• Add Insulation
• Open cabinet doors
• Let faucets drip
• Turn up heat