From Commercial Relic to LEED Gold: The Hocking Hale Building’s Second Act

In the heart of Honolulu’s beautiful Historic Chinatown, the Hocking Hale Building has undertaken a massive evolution. The builders refused to choose between extremely high performance, and a mission to create deeply affordable rent. Over the last half a decade, the former hotel, office building, boarding house & bank has been repurposed; What was once a commercial space, is now LEED Gold-certified, providing good housing for people who need a foothold in this incredible community. 

These aren’t just market-rate apartments with a sustainability badge, each and every home in the Hocking Hale Building is reserved for households earning less than half the Area Median Income, people for whom affordable rent isn’t a preference; it’s a necessity. In a city ranked among the highest in the world for cost of living, the distinction between simply adding housing stock, and creating truly affordable, and reliable housing solutions has a real impact. 

Creating affordable housing is one problem; creating healthy housing is another. LEED Gold is among the highest sustainability certifications a building can earn. On this project, two important factors played a role in Hocking Hale’s score: energy efficiency and location. Combined, those two determinants accounted for almost two thirds of the total score. Kelcey Sykes, Green Building Hawaii’s Field Operations Area Manager, explained that sustainability isn’t just about what’s inside the walls, “being located in the middle of Chinatown ensures almost everything a resident needs is within walking distance,” and that there is “easily accessible transit nearby,” resulting in the complex being more sustainable simply by being in a walkable community. The other half of the gold certification isn’t about location, but rather in designing systems that keep residents comfortable without driving-up energy use. 

Honolulu’s humid urban environment presented a challenge, especially in the dense city center, where outdoor air quality and moisture levels demanded a deliberate approach. Sykes notes that the project team implemented, “a conditioned supply-based fresh air system instead of an exhaust-based fresh air system” which “ensures greater air quality while preventing humidity issues.” Essentially The Hocking Hale Building pushes filtered, dehumidified air directly into each unit—giving residents clean air regardless of the weather or outdoor air quality. For households moving into brand new affordable homes, this system isn’t just a technical footnote; It’s the difference between a home that feels healthy to live in and one that doesn't.  

On a project this complex, in order to make all of the social, technical, and climate criteria play nice, collaboration was essential. From the low-VOC paint, to installing high-efficiency water fixtures, Sykes made it clear that the “unglamorous line items” that are often ignored all add up to certification. Getting the team on the same page before breaking ground ensured that no detail was ignored. 

The lesson from the Hocking Hale Building isn’t about any one system or certification strategy, it’s about good communication between teams. On our end, telling a contractor why we were recommending air sealing even though it’s not required by fire code, creates clarity and a team that can make informed decisions that align with their values. This principle scales to any building project out there; the earlier building science expertise enters into the conversation, the less room there is for missed specs. It’s exactly the kind of work both Green Building Hawaii and Energylogic has built our practice around, because a recommendation that isn’t understood is a recommendation that doesn’t get followed. That’s why our goal is never just about certification; it’s helping create buildings that actually perform for the people living in them, long after the inspectors have packed up and gone away.