The U.S. Department of Energy recommends using foam tape or felt weatherstripping for doors and windows to maintain a tight seal in temperatures as low as -20 degrees F.
This Old House recommends using vinyl or metal weatherstripping for exterior doors and windows, as they can withstand extreme cold and last longer than other materials.
Research by the National Renewable Energy Laboratory found that silicone-based weatherstripping outperformed other materials in extreme cold, maintaining a tight seal in temperatures as low as -30 degrees F.
Home Depot offers a variety of weatherstripping products, including foam tape, felt, and vinyl, suitable for use in cold climates and temperatures as low as -20 degrees F.
This video by The King of Random provides a guide on how to choose the best weatherstripping for your doors and windows, including tips for use in extreme cold.
The American Council for an Energy-Efficient Economy recommends using weatherstripping as part of a comprehensive approach to energy efficiency, particularly in cold climates.
3M offers a range of weatherstripping products designed for use in extreme cold, including adhesive-backed foam tape and vinyl weatherstripping.
A study published in the Harvard University journal found that optimizing weatherstripping installation and material selection can significantly improve energy efficiency in buildings exposed to extreme cold.