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Sustainable Architecture & Green Building Design in Colorado
Doerr Architecture is a full-service Colorado design firm dedicated to creating beautiful, sustainable architecture that prioritizes environmental responsibility and client satisfaction. Founded by Thomas Doerr, our practice combines over two decades of experience in passive solar design, net-zero energy homes, and green building practices with a commitment to personalized service. We specialize in residential and commercial projects, historic renovations, and urban infill developments, leveraging advanced CAD technology and a lean firm structure to deliver cost-effective, high-quality solutions.

Our team maintains close relationships with certified engineers and consultants to ensure every project meets rigorous sustainability standards while minimizing ecological impact. Recognized for our expertise, we have authored industry-leading green building checklists and actively contribute to advancing sustainable design education through teaching and professional advisory roles.
Services
Residential Design Commercial Architecture Historic Renovation EcoHome Consulting CAD Modeling Green Building Certification
Highlights and features
  • We offer personalized service with direct involvement from principal architect Thomas Doerr on every project.
  • Our lean firm structure ensures cost savings without compromising quality control.
  • We utilize advanced CAD and 3-D modeling for precise design execution.
  • We have authored industry-leading green building checklists for residential and commercial projects.
  • Our expertise reduces energy consumption by up to 88% through passive solar design.
Associations and certifications
  • Certified Green Points Architect
Services
Residential Design
We create custom residential designs that integrate passive solar principles, net-zero energy systems, and eco-friendly materials. Our approach prioritizes energy efficiency, reducing heating and cooling costs by over 80% while maintaining aesthetic appeal. Clients benefit from personalized designs that enhance family comfort and environmental stewardship through strategic site orientation and thermal mass construction.
Commercial Architecture
Our commercial architecture services focus on sustainable design for office spaces, retail centers, and institutional facilities. We implement energy-efficient systems, daylight optimization, and green materials to meet LEED certification standards. Clients receive cost-effective solutions that reduce operational expenses while creating healthy, productive environments aligned with modern sustainability benchmarks.
Historic Renovation
We specialize in preserving architectural heritage while modernizing structures with energy-efficient upgrades. Our team balances historical integrity with contemporary needs through careful material selection and integration of sustainable technologies. Clients gain revitalized spaces that maintain cultural value while achieving improved functionality and reduced environmental impact.
Green Building Consulting
Our consulting services guide clients through eco-conscious design decisions using proven strategies from our authored green building checklists. We provide expertise in material selection, energy modeling, and certification processes like LEED. Clients receive actionable plans to minimize ecological footprints while maximizing long-term cost savings and occupant well-being.
CAD Modeling
We utilize advanced computer-aided design (CAD) and 3-D modeling to visualize projects with precision. This technology enables accurate spatial planning, structural analysis, and client collaboration throughout the design process. Clients benefit from enhanced clarity, reduced construction errors, and optimized design solutions tailored to their specific sustainability goals.
People
Thomas Doerr
Principal Architect
Thomas Doerr is a Certified Green Points Architect with over 20 years of experience in sustainable design. He chairs the Colorado AIA Committee on the Environment and authored green building checklists used nationwide. His expertise in passive solar design and net-zero energy homes has earned industry recognition, including teaching roles at Naropa University and advisory positions with the USGBC.
Questions
What architectural services do you specialize in?
We specialize in residential and commercial sustainable architecture, historic renovations, net-zero energy homes, and green building consulting using advanced CAD technology.
How do you define sustainable architecture?
Sustainable architecture minimizes environmental impact through energy-efficient design, renewable materials, and systems that reduce resource consumption while maintaining functional beauty.
What is an EcoHome?
An EcoHome is an energy-efficient, environmentally responsive residence that reduces utility costs by 80% or more through passive solar design and renewable energy integration.
How do you approach the design process?
We begin with client consultations to understand needs, followed by site analysis, conceptual design using CAD modeling, and collaborative refinement to ensure sustainability and functionality.
Can you help with historic building preservation?
Yes, we specialize in preserving architectural heritage while incorporating modern energy-efficient upgrades that maintain historical integrity and improve building performance.
What sustainability certifications do you support?
We support LEED certification, USGBC guidelines, and our own green building checklists for residential and commercial projects to ensure rigorous sustainability standards.