Illinois · USA

Certified stays in Chicago.

Windy City stays with verified indoor freshness.

Chicago's brutal seasonal shifts test any HVAC system — and any cleaning crew. Guest Smell Certified™ stays in the Loop and Wicker Park document year-round performance, not summer-only claims.

certified stays

Local facts

2.7M residents
4-season climate
Convention + medical travel hub

Air Quality

Every certified Chicago property monitors PM2.5 and CO₂ in real time.

Humidity 30-55%

The hospitality humidity sweet-spot, verified 24/7.

Turnover Verified

Time-stamped cleaning between every guest — no exceptions.

Verified Listings

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