A: Similar, but a frozen AC drain is usually caused by a dirty air filter or low refrigerant. Thaw the AC coil by running just the fan, then clear the drain line.
If the frozen section is accessible (like pipes in a crawl space), you can purchase electric heat tape or heat cables from a hardware store. Wrap the tape around the frozen section and plug it in. This is a slow but very safe method. frozen drain line
Here are the safe methods to try, starting with the easiest: A: Similar, but a frozen AC drain is
. Unlike pressurized water supply lines that stop completely, frozen drains often show more subtle symptoms like gurgling or slow drainage. Wrap the tape around the frozen section and plug it in
: Place a portable heater in the room or cabinet where the frozen pipe is located. Keep it at a safe distance from the pipe and any flammable materials. Alaska Sewer & Drain +6 3. Critical Safety Do's and Don'ts Do Don't Do open cabinet doors to let indoor warmth circulate around pipes. Don't use an open flame or blowtorch to thaw pipes. Do keep the faucet open slightly to allow water to flow once the ice melts. Don't pour boiling water directly onto extremely cold or frozen pipes. Do shut off the main water supply immediately if you notice a leak or burst. Don't use chemical drain cleaners, which can be ineffective and corrosive when trapped by ice. 4. Long-Term Prevention Insulation
If you have standing water near your furnace or a wet ceiling, call a local HVAC pro immediately. A frozen drain line can turn into a $5,000 water damage claim in just 24 hours.