Hard freeze
Trades most in demand: Plumber · HVAC technician · Gas technician
Before
- Wrap exposed pipes; let faucets drip in unheated spaces
- Disconnect garden hoses and shut off outdoor faucets
- Set thermostat no lower than 55°F even when away
- Open cabinet doors under sinks on exterior walls
During
- If a pipe freezes, leave faucet open; thaw with warm rags or a hairdryer — never an open flame
- If you smell gas, evacuate and call Columbia Gas 1-800-344-4077
After
- Walk the line — small leaks become big ones in 24 hours
- Test water-heater pressure-relief valve
- Schedule a furnace tune-up if temps dropped >50°F overnight