Keep your home heating at the same temperature during both day and night. Dropping the thermostat at night increases the risk of early-morning pipe freezes. To help tailor further advice, please let me know:
This is the "ice melt" trick for your plumbing. Salt lowers the freezing point of water, meaning it can start melting ice even if the pipe is still surrounded by sub-zero temperatures.
Check the nearest faucet periodically to see if water pressure has returned. The Space Heater Method
During extreme cold snaps, keep vanity and kitchen cabinet doors open to let warm house air circulate around the plumbing.
Work your way from the sink down toward the wall. This allows the melting ice to run out rather than getting trapped behind a solid block. Warning: Never use an open flame torch to thaw pipes. This poses a severe fire hazard and can ruin your plumbing. Method 3: The Heating Pad or Hot Towel Wrap
This is the easiest and safest first step, especially if the frozen pipe is in a large area like a basement or crawl space. Turn up your home’s thermostat by three to four degrees. Open any cabinet doors below sinks to allow warm air to circulate around the pipes. While effective, this method can take several days, so it’s best used in combination with other techniques.
If you cannot locate the freeze, the pipe is underground, or you see visible cracks, you should contact a licensed plumber. Professionals use specialized equipment like (hot water jetting) or electronic pipe-thawing machines to safely clear deep blockages.
Before you start thawing, confirm it’s ice and not a grease clog or tree root. Look for these telltale signs :
Boil a kettle of water and stir in about one cup of kosher or table salt until dissolved.
Learning is about more than just melting ice – it’s about doing it safely, quickly, and without causing property damage. Start with the gentlest methods (hair dryer, heat tape) and escalate only as needed. Always prioritize safety over speed: no open flames, no boiling water on PVC, and no electrical hazards.
Once you have restored water flow through the previously frozen drain pipe, your work is not yet complete. Take these post-thaw steps to ensure the pipe is fully functional and undamaged:
Dump half a cup of kosher salt or rock salt directly down the drain.
During extreme cold, keep kitchen and bathroom cabinet doors open to allow warm air to reach the plumbing.