Birdie

A canary for your home: Birdie drops down when CO₂ levels rise, prompting you to ventilate.

Birdie logo
Andreas & Hans, Founders of Birdie
Founders
Andreas & Hans
Role
Founders
Sector
Indoor air quality
Founded
2022

About Birdie

Founded in 2022 by childhood friends, Birdie is a Danish company dedicated to enhancing indoor air quality.

Their flagship product alerts users to poor air conditions by mimicking the behavior of a canary in a coal mine — dropping down when CO₂ levels are high, prompting ventilation.

Interested in backing Birdie — or the entire MAD HOUSE portfolio?

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