Examine building materials in a building supply store.

Examination should include reporting on the energy efficiency of

• exterior materials (e.g., roofing materials)
• insulation
• lighting and ceiling fans
• plumbing (including water heating options)
• flooring
• smart devices 
• windows and doors.

Process/Skill Questions:

• When building a house, how can you practice sustainability and efficiency?
• How would you budget for the most sustainable and efficient materials? What trade-offs might be necessary?