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ArchEcology LLC

Our founder, Nancy Henderson is an Architect trained to address the whole building while coordinating the technical strategies of multiple disciplines. Michelle Rosenberger, her partner, manages the flow of project information and coordinates team communication. Together our passion for sustainability combined with knowledge of the design and construction industry creates a women-owned firm that offers practical, cost effective, sustainable strategies that align with traditional development goals.

For us, sustainability is a balancing act. Lots of people can dream big, but we operate where the rubber meets the road — where aspirational goals become reality. Paying attention to the nitty gritty details of implementation, while remaining mindful of big picture goals and constraints takes a nuanced understanding of the design and construction process and vast experience with sustainable projects.

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Need a Tune-Up to meet Seattle’s new SMC 22.930 requirements for nonresidential buildings?

Buildings 50,000 to 100,000 SF can qualify to get technical and financial support through the Tune-Up Accelerator program.

ArchEcology has registered Tune-Up Specialists who can help you:

  • secure financial incentives and complete the requirements;
  • lock in your compliance until the 2025/26 renewal cycle;
  • identify additional incentive programs if you want to target more extensive improvements such as lighting or HVAC upgrades

We make sustainable
strategies easy to understand

There are lots of ways to green your building or construction project and no one size fits all solutions. We help you develop and implement the most cost effective approach to achieving your sustainable goals.

We focus on analyzing the full spectrum of sustainable possibilities to identify the measures that make the most sense for your project to let you focus on what you do best – developing, designing and building your project.

Pro Image Photography / Ed Sozinho
Pro Image Photography / Ed Sozinho

On our minds

Sustainability covers a lot of ground and it’s hard to keep up.
Below is our recent thinking.

LEED Certified Retail in Bellevue
LEED Certified Retail in Bellevue

Congratulations to KG Investments and their team on completing LEED Core and Shell certification of their new shopping c...

Passive House in Seattle
Passive House in Seattle

Our very own Dan Luddy was a speaker at the 2017 North American Passive House Conference, held right here in Seattle! Th...

The Integrative Process in LEED V4
The Integrative Process in LEED V4

The Integrative Process, one of the new credits introduced in LEED V4, falls into a category all its own. Unlike many of...