How To Keep Pipes From Freezing In A Canadian Winter

🏠 1. Keep Your Home Warm

• Set your thermostat to at least 13°C–15°C (55°F–60°F), even when you’re away.

• Open interior doors to let warm air circulate around plumbing, especially in kitchens and bathrooms.

• Don’t close heating vents in basements or utility rooms — you want warmth reaching those pipes.

💧 2. Let Faucets Drip During Extreme Cold

• Let a small trickle of cold water run overnight from taps along exterior walls.

• This relieves pressure and keeps water moving, reducing the risk of a burst pipe.

🧱 3. Insulate Vulnerable Pipes

• Wrap foam insulation sleeves or pipe wrap around exposed pipes — especially in:

  • Unheated basements or crawl spaces

  • Garages

  • Attics

  • Under kitchen/bathroom sinks along outside walls

• For very cold regions (Prairies, Northern Ontario, Atlantic provinces), consider electric heat tape with a thermostat.

🚪 4. Seal Cold Air Leaks

• Use caulk or spray foam around areas where cold air can enter:

  • Gaps near vents, cable holes, dryer exhausts, and foundation cracks.

• Even small drafts can freeze pipes if they blow on the same spot continuously.

🚿 5. Shut Off and Drain Outdoor Water Lines

• Disconnect garden hoses, shut off outdoor faucets from the inside, and let them drain.

• Drain sprinkler and irrigation systems before the first deep freeze (usually by October in most provinces).

🧰 6. Know Where Your Main Water Shutoff Valve Is

• In case a pipe bursts, you can quickly shut off the water to limit damage.

• Test it once a year to make sure it works.

🌡️ 7. Use a Smart Thermostat or Freeze Alarm

• These devices send alerts if your home’s temperature drops too low — great for snowbirds or cottages.

🏕️ 8. If You’re Away for the Winter

• Shut off the water supply and drain your plumbing system (open all faucets, flush toilets).

• Add non-toxic antifreeze (RV type) to toilet bowls and traps.

• Or hire a plumber to “winterize” the home properly — common in cottage country.

⚠️ 9. If You Suspect a Frozen Pipe

• Turn off the main water supply.

• Gently thaw the pipe using a hair dryer, heating pad, or warm towels — never use an open flame.

• Keep faucets open to allow melted water to flow out.