Humanscale Liberty vs KI Torsion Air

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

Humanscale

Humanscale Liberty

$1,613 – $2,326

KI Torsion Air

$904 – $944

$709

lower starting price for KI Torsion Air than Humanscale Liberty at the brand stores

Differences at a glance

Humanscale LibertyKI Torsion Air

Price: $1,613 – $2,326$904 – $944
Seat height: 16.6–20.9 in (42.2–53.1 cm)18–23 in (45.7–58.4 cm)
Seat depth: 16.5–18.75 in (41.9–47.6 cm)18.5 in (47.0 cm)
Recline: Self-Adjusting Recline: no tension springs, no recline locksTorsion flex back; gradually increasing resistance over the full 12 degrees of back flex
Arms: Options: Fixed Duron Arms, Adjustable Duron Arms, Advanced Duron Arms, Armless, Fixed Duron Gel ArmsArms or armless
Warranty: 15 Years; Fabric/Cushions/Arm Pads/Casters: 5 YearsLifetime

Which is cheaper, the Humanscale Liberty or the KI Torsion Air?

The KI Torsion Air is cheaper to start: $904 versus $1,613 for the Humanscale Liberty at the brand stores (Sep 2026).