Energy
100% Certified Reduction in Site EUI
Installed rooftop solar system that provides more than 100% of the proposed energy needs.
Harka Architecture on the Journey to Net Zero™
Small Space, Big Impact
Harka Architecture transformed a 1939 Art Deco office building into their Net Zero HQ with the Green Globes Journey to Net Zero Certification.
Harka sought to create a space that would be educational for current and future clients.
Net Zero Strategies
How did Harka Architecture achieve Net Zero?
Resources and spatial restrictions required the team at Harka to prioritize sustainability features that would yield the greatest reductions in site EUI and CO2e.
The renovation posed unique challenges, such as air sealing a 1939 stucco building and balancing aesthetics with high-performance strategies and low-carbon materials.
Intentional material selection
Such as the 5.5” of hempwool ceiling insulation layered with 13” of cellulose (achieving an R-value of 66). Patrick Donaldson, the Principal Architect and Owner of Harka Architecture, emphasized their commitment to salvaging the lumber, trim, and lath and plaster walls from the existing building, a former dentist office.
Minimal use of concrete
Opting for low-carbon and non-toxic options such as Gutex wood fiber boards for insulation, non-latex milk paint for the interior, and FSC certified lumber.
Onsite renewable
energy system
Rooftop solar provides 123.6% of the proposed design site energy consumption, and their approach to the building’s design and materials selection was integral to their nearly 92% reduction in overall carbon emissions. To reach a 100% reduction, Harka purchased 1 tonne of carbon offsets for their embodied carbon under a 3-year commitment.
Carbon
100% Certified Reduction in Site CO2E
Attained reduction in overall carbon emissions
across scopes 1, 2, and 3.
We are founded on this idea of low carbon. That’s our DNA.
To get this recognition is important to the public and to be a participant is critical.
Patrick Donaldson
Principal Architect and Owner of Harka Architecture
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