Weatherization (noun)

The process of making a building more energy-efficient and resistant to extreme weather conditions.

Origin:

From weatherize + -ation.

Examples:

1. The weatherization program helped lower the family's heating bills.
2. The city is offering financial incentives for residents to weatherize their homes.
3. The company specializes in weatherization for commercial buildings.
4. The weatherization included adding insulation and weather stripping to the windows.
5. The funding was used for weatherization of the schools in the district.