KI Torsion Air vs Humanscale Liberty

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

KI Torsion Air

$904 – $944

Humanscale

Humanscale Liberty

$1,613 – $2,326

$709

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

Differences at a glance

KI Torsion AirHumanscale Liberty

Price: $904 – $944$1,613 – $2,326
Seat height: 18–23 in (45.7–58.4 cm)16.6–20.9 in (42.2–53.1 cm)
Seat depth: 18.5 in (47.0 cm)16.5–18.75 in (41.9–47.6 cm)
Recline: Torsion flex back; gradually increasing resistance over the full 12 degrees of back flexSelf-Adjusting Recline: no tension springs, no recline locks
Arms: Arms or armlessOptions: Fixed Duron Arms, Adjustable Duron Arms, Advanced Duron Arms, Armless, Fixed Duron Gel Arms
Warranty: Lifetime15 Years; Fabric/Cushions/Arm Pads/Casters: 5 Years

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

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