Two-level Passive Solar Dog House

This two-level house was designed by Stantec.

Accompanying the 2017 Solar Decathlon was the Sustainable BARKitecture Dog House Competition, a challenge to local Denver architecture firms to design and build the ideal solar dog house.

The homes were built for a specific Canine Airport Therapy dog and were on display at the Denver International Airport through Oct. 9th, 2017. The homes were sold in an online auction to benefit the Dumb Friends League.


Choo-Choo’s two-level house has a lower zone that utilizes interactive rope walls for cross ventilation to provide a cool place for him to hang out on warm days. When it’s chilly, Choo-Choo can take refuge in the more tightly enclosed upper loft, heated by the adjacent soda can solar roof assembly. With plenty of windows, a water collection system, and ropes to chew on, Choo Choo will be comfortable and entertained.

DEN Canine Airport Therapy Squad dog, Choo-Choo, a 100-pound Newfoundland who loves meatballs and meeting people.



To employ a variety of passive solar strategies to provide Choo-Choo with a comfortable retreat year round.


Architecture Firm: Stantec

Learn more about the Canine Airport Therapy Squad.



Keya Lea

Keya Lea likes to spend time outside, enjoying the sun.

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