Humanscale Freedom vs SIHOO Doro S100

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

Humanscale

Humanscale Freedom

$1,494 – $2,567

SIHOO

SIHOO Doro S100

$499.99 – $509.99

$994.01

lower starting price for SIHOO Doro S100 than Humanscale Freedom at the brand stores

Differences at a glance

Humanscale FreedomSIHOO Doro S100

Price: $1,494 – $2,567$499.99 – $509.99
Seat height: 16.125–20.25 in (41–51.4 cm)46–54 cm
Seat depth: 17.4–19.85 in (44.2–50.4 cm)15.15–17.12 in (≈ 38.5-43.5 cm)
Load capacity: 400 lb (181.4 kg)330 lb (≈ 150 kg)
Recline: Weight-sensitive (self-adjusting) recline; 22° recline plus 7° backrest tilt; seat-to-back reference angle 100°–129°Reclines up to 135°
Arms: 6 in range of vertical motion; armrest height 3.75–9.6 in from compressed seat4D coordinated armrests (Up and down, left, right, forward and backward, tilt linkage); Up and down 2.76 in, forward and back 1.18 in, side to side, rotate 72°
Headrest: Freedom Headrest configuration: Dynamic Headrest, moves with the sitter on recline; 5 in vertical adjustment; 30° radial motionIntegrated headrest adjusts up or down; upper backrest in five levels
Lumbar support: No separate lumbar adjustment; pivoting backrest gives up to 1 in additional lumbar supportDual dynamic lumbar support
Warranty: 15 years; fabric/cushions/arm pads/casters 5 years3 years

Which is cheaper, the Humanscale Freedom or the SIHOO Doro S100?

The SIHOO Doro S100 is cheaper to start: $499.99 versus $1,494 for the Humanscale Freedom at the brand stores (Sep 2026).

Which has a higher weight capacity?

The Humanscale Freedom, rated for 400 lb versus 330 lb for the SIHOO Doro S100.

Which has a headrest?

Both: the Humanscale Freedom as standard and the SIHOO Doro S100 as standard.