Architecture for the Future of California

Imagine Living in a Distinctive State-of-the-Art Home…

  • Distinctive, personalized, inspiring design

  • Profoundly comfortable & quiet

  • Superior indoor air quality

  • Optimized performance, in balance with the environment

If you drive an EV, why have a home that’s an Edsel?

At Essential Habitat Architecture, we design high-performance architecture for the future of California.

Graham Irwin, AIA, NCARB
Principal, Essential Habitat Architecture

Graham is dedicated to helping people realize their dreams in distinctive, high-performance, modern homes that promise a bright future in, and for, California. He was the first certified Passive House designer in California (among the first trained in the US), and a founding board member of the Passive House Alliance, US (PHAUS) and Passive House California.

He’s worked on numerous single-family, multi-family, and commercial Passive House projects, including the first certified Passive House in California, the first certified Passive House retrofit in the US, the first certified multi-unit Passive House in the US, the 1,000,000th square meter of certified Passive House in the world, and the first certified PHIUS+ Source Zero project in California.

Graham has a degree in physics, with additional studies in architecture, engineering, and jazz bass performance. He’s presented extensively on passive design throughout North America and Europe and has been frequently interviewed.

There’s more about Graham here.

Some of Our Recent Passive House Projects

MCM ReEnvisioned
A 1950’s Tract Home Transformed

Perfect Comfort, Quiet & Air Quality, plus no Utility Bills, Including EV Charging! This home was featured on “Reimagine Buildings” from Passive House Accelerator.

“In addition to efficiency, the main goals for our home were a comfortable indoor climate, reduced outdoor noise, and remarkable air quality. We’ve been rewarded with all four.”

— Adrienne E., homeowner

Kaplarkey House
Silence in the City

Rural Tranquility in the Middle of San Francisco, with Outstanding Comfort, Performance & Indoor Air Quality.

“The biggest problem with our home is that we’re never really 100% comfortable anywhere else.”

— Jonathan K., homeowner

Midori Haus
This 100-year-old Craftsman is the Future of Housing

This Restored Classic is Now One of the Most Efficient & Comfortable Homes in California.

“We find ourselves asking, 'How on earth did we get by with anything else?”

— Kurt H., homeowner

HOW WE DO IT
our project delivery process

We deliver extraordinary results and outstanding value through a predictable process. You'll feel informed, empowered, and heard throughout the planning, design, and construction of your home. Our responsive approach supports collaboration and creativity, saves time, maximizes value, and reduces uncertainty, stress, and expense. Moving beyond custom design, or process delivers personalized design, for a home that’s truly unique to you and your family.

meticulous planning, design & delivery

SIX
STEPS
TO
SUCCESS

Are you ready to create an ideal home for your future?

Request a complimentary 30-minute Project Feasibility Consultation to discuss the “how” and the “when.”