Company Profile·Passive House Architecture & Consulting

Tom Bassett-Dilley Architects

Oak Park architecture and Passive House consulting for low-carbon new homes and deep energy retrofits.

Visit tbdarchitects.com
LocationOak Park, Illinois
ServesChicago region and Midwest; Passive House consulting for outside design teams

What they're known for

An early Chicago-area Passive House practice combining architectural design with WUFI modeling, Phius certification support, and phased decarbonization planning.

Tom Bassett-Dilley Architects has worked from Passive House and net-zero principles since early Chicago-area projects in the 2010s. The practice uses in-house energy modeling on its own work and provides WUFI Passive modeling, envelope optimization, Phius coordination, and deep-energy-retrofit planning for outside teams. Its residential work also extends into low-carbon materials and all-electric conversion.

Capabilities

  • Architectural Design
  • Building-Science Consulting
  • Deep-Energy Retrofit

Performance focus

  • Passive House
  • Thermal Comfort
  • Indoor Air
  • Low-Carbon Construction

Credentials

  • Certified Passive House Consultant (CPHC)

    Tom Bassett-Dilley; verified on the firm’s official biography.

  • Living Future Accredited (LFA)

    Tom Bassett-Dilley; verified on the firm’s official biography.

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Sources

Facts verified October 2026. Compound is an independent editorial directory and is not affiliated with this company unless stated.