Xiaoshu (Sunny) Du

Xiaoshu (Sunny) Du

ASHRAE BEMP, CPHC®, LEED AP BD+C

Associate

Thornton Tomasetti

MA, ME, CT, NE, VT

Sustainability Consulting

  • 1.2M GSF
  • 7 Projects
  • 10 Years Experience

About

I believe great design can drive real climate action. I’m passionate about turning building analytics into practical, empowering tools—helping teams create beautiful, high-performing buildings that serve people, communities, and the planet.

Sunny Du is a sustainability professional with a strong focus on building analytics, high-performance building design, and decarbonization strategies. She works closely with architects, engineers, and project teams to deliver data-driven solutions that balance design vision with energy performance and carbon goals.

Sunny brings a collaborative and technically rigorous approach to projects across various sectors, including civic, educational, and cultural institutions. She has a track record of guiding clients through complex sustainability frameworks. Sunny is passionate about climate-responsive design and making sustainable strategies practical and actionable for design teams.

Experience

Building Types

  • Assembly
  • Aviation
  • Education K-12
  • Education: Higher Ed
  • Healthcare
  • Laboratory / Tech / Science
  • Lodging
  • Mixed Use
  • Office
  • Residential: Affordable Multi Family
  • Residential: Multi-family
  • Senior Living

Achieved Project Certifications

  • ENERGY STAR
  • LEED
  • Living Building Challenge
  • Living Building Challenge Petal Certification
  • ILFI Zero Carbon Certification
  • ILFI Zero Energy Certification
  • PHIUS

Projects