Insulate exposed pipes
Seal gaps and cracks near pipes
Keep indoor heat on, even when away
Open cabinet doors under sinks
Let faucets drip during extreme cold
Disconnect and drain outdoor hoses
Shut off and drain outdoor water lines
Use heat tape or heat cables on vulnerable pipes
Keep garage doors closed if water lines run through the garage
Maintain a steady thermostat temperature
Protect pipes in unheated areas
Drain sprinkler systems before winter
Add insulation to attics, crawl spaces, and basements
Repair broken windows and drafty openings
Know where the main water shutoff valve is located