Mobile Navigation
Main Menu

About Us

Thornton Tomasetti employees gather at a Spectrum Pride event in the office.
Main Menu

People

We have the experts to meet your challenge. Let us connect you with the specialist you need.
Contact us
Main Menu

Projects

Global experience. 
Regional perspective. 
Local impact.
Explore all projects
Main Menu

Expertise

Main Menu

Insights

Explore our latest news and perspectives.
View all insights
Main Menu

Core Studio

R&D and technology play an essential role in our firm. We invest in constant learning, testing and innovation. That uniquely positions us to solve our clients’ most difficult problems.
Innovation Engine Our CORE groups manage our research and development efforts, from incremental efficiency improvements to solving some of the most challenging engineering problems of our time. Learn More
Innovation Output We believe collaboration amplifies our innovation potential and creates connections that lead to better, more imaginative solutions for our clients. Learn More
Main Menu

Search

News & Resources

Horizontal ground source heat pump system for heating home with geothermal energy. vchal / Shutterstock

Decarbonising Off-Grid Homes
November 26, 2025
For off-grid households, resilience isn’t optional – it shapes every decarbonisation decision. Our research with Centre for Regional Economic Social Research, Northern Powergrid and Northern Gas Networks reveals why solutions must balance carbon reduction with comfort, reliability and security.
The question for owners isn’t whether electrification matters – it’s how to plan the transition in a way that works for residents, budgets and building systems.

Decarbonization Road Maps for Cities
November 25, 2025
Thornton Tomasetti’s decarbonization and resilience specialists are providing program implementation and technical assistance to city agencies in San Francisco and Boston to help building owners develop and implement decarbonization road maps.
This post explores the unique vulnerabilities of common roofing types, drawing on our forensic investigations to offer actionable insights for protecting your assets. Thornton Tomasetti

How Hail Affects Roofing Materials
October 30, 2025
Hailstorms cause billions of dollars' worth of damage to roofing systems, with materials like shingles, metal, tile and solar panels facing risks like cracking or denting. Our hailstorm damage forensics team uses advanced tools to assess damage and recommend resilient materials and prompt inspections for effective repairs and insurance claims.
Open concourses, wide terraces and outdoor plazas at each corner connect fans to the field and to the surrounding Evanston community, offering spaces for gathering, tailgating, and year-round events. Thornton Tomasetti

Ryan Field Tops Out
October 23, 2025
The new Ryan Field tops out in Evanston, Illinois, advancing accessible, sustainable and community-centered design for next-generation collegiate venues.