Let the cold water drip from a faucet served by exposed pipes. Running water through the pipe—even at a trickle—helps prevent pipes from freezing. Keep the thermostat set to the same temperature during day and night.Click to see full answer. Moreover, should you run hot or cold water to keep pipes from freezing?A trickle of hot and cold water might be all it takes to keep your pipes from freezing. Let warm water drip overnight, preferably from a faucet on an outside wall. Keep your thermostat set at the same temperature during both day and night.Also, at what temperature should you drip faucets? Drip outside faucets 24 hours a day (5 drops per minute). This is not necessary unless temperatures are expected to be 28 degrees or below for at least 4 hours. (Be sure to turn off the faucets after the threat of freezing weather.) Additionally, can pipes freeze even if water is dripping? Letting a faucet drip during extreme cold weather can prevent a pipe from bursting. It’s not that a small flow of water prevents freezing; this helps, but water can freeze even with a slow flow.Should I drip hot cold water?Remember to keep both cold and hot water dripping during these frigid temperatures. We know to keep the faucets dripping when temperatures dip below freezing, but experts say you need to keep both cold and hot water open. Ewald suggests you also leave the hot water drip, and keep the cabinets open under the sinks.