Indigo-Hammond & Playle Architects
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Indigo-Hammond & Playle Architects
We've been innovators in passive buildings since the 1970s. We wrote the first local energy saving-building code, which evolved into California's Title-24 building code. Our headquarters in Davis, CA is the first ZNE office building in northern California. According to the Environmental Protection Agency, better ventilation makes for healthy occupants by reducing indoor concentration of viruses and other airborne contaminants.

Many real estate developers believe that good indoor air quality will become an important selling-point for homes and offices in coming decades. At Indigo, we design buildings that improve indoor air quality through natural ventilation. Studies show that CO2 buildup makes us feel drowsy and unproductive, while fresh air helps us feel alert and alive.
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We've been innovators in passive buildings for 50 years. With his design lab Living Systems, Indigo Principal Jon Hammond developed passive building solutions and wrote the first local energy-saving building code in the 1970s, which evolved into today's Title-24 California building code.

Since then, we have continued to integrate the ancient wisdom of building orientation with new technologies and materials, creating super-efficient buildings that become ZNE with the addition of a small photovoltaic (solar panel) system.Indigo's team is passionate about transforming the built environment so that it works with nature instead of against it.
Human beings are part of nature. Our bodies are attuned to see best in natural light, remain alert breathing fresh air, and feel better when we have access to outdoor space. At Indigo we create climate-adapted buildings by working with sunlight and fresh air, abundant free resources that help us feel good, stay healthy, and remain productive.
Our changing climate makes it necessary to learn to live with fire and rethink how we build in the growing number of fire-prone areas throughout the western US. Luckily, we can design our built environment to be more resilient to fire and other disasters.

When resilient design principles are combined with fire-resistant materials, window systems and landscaping, structures can be safe for sheltering in place during an emergency, thus avoiding the potential dangers of mass evacuation.Indigo recently designed a fire-resistant, zero net energy house near Paradise, California, a community that was all but destroyed by the Camp Fire in 2018.
Indigo designs places for people. We meet our clients' needs, employing our experience to shape places that positively reflect them - places that are efficient, durable and replenishing. We serve all of California including Sacramento, the Bay Area, the Central Valley and Western Region of the United States.
Our workflow is streamlined and efficient. With a staff of ten, we know that every project benefits from the experience of our principles as well as the enthusiasm and new ideas of our team. As LEED-accredited and Zero-Net Energy (ZNE) architects, we stay true to three decades of ecological commitment, showing that green architecture can be implemented in a practical and cost-effective manner.
Reviews (2)
Dina Connor Owens
Dina Connor Owens
Aug 05, 2020
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Positive: Professionalism, Quality, Responsiveness, Value
Not only are they highly experienced zero-net energy architects, they are now leading the charge on Fire Resistant home design for those affected by wildfires.
Stewart Savage
Stewart Savage
Dec 05, 2016
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Think green. An environmentally conscious design makes this a building a gem.