Portland’s first net-zero commercial retrofit transformed a 1960s office tower by adding a high-performance envelope over the existing structure. Triple-glazed windows, exterior insulation, and facade-integrated photovoltaics eliminated 90% of energy use. Historic 1960s office building transformed into Portland's first net-zero commercial retrofit. Added high-performance envelope, eliminated gas systems, and achieved 90% energy reduction vs. baseline.
Certification: LEED EB:O&M Platinum
Fossil Fuel Elimination
Complete electrification removed all gas systems, replacing them with cold-climate heat pumps and heat recovery ventilation. The building now generates more energy than it consumes annually, returning excess to the grid.
Let’s Design Something Meaningful
If you’re planning a residential, commercial, or institutional project that prioritizes ecological health alongside human comfort—and demands architects who think beyond building codes—we should talk.
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