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Compare ergonomic office chairs
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Comparing 2 chairs across key specs.
Humanscale
Liberty
Brand
Humanscale
Model
Liberty
Era produced
2006–Present
Discontinued
No
MSRP (new)
$1,199
Avg refurbished
$520
Avg used
$300
Height range
5'0"–6'4"
Weight capacity
400 lbs
Seat width
19.5"
Seat depth
17.5"
Backrest height
22"
Seat material
Full Mesh
Armrests
3D
Forward tilt
No
Lumbar
Integrated
Headrest
Factory
Cylinder
Top-activated pneumatic (wide cylinder options)
Caster stem
11mm × 22mm standard
Frame
Aluminum / polymer + Form-Sensing mesh
Tilt / lock
Weight-sensitive recline (Diffrient / Freedom family controls philosophy)
Arm adjustability
Synchronous-style / adjustable arms on common configs (not full 4D)
Humanscale
Freedom
Brand
Humanscale
Model
Freedom
Era produced
1999–Present
Discontinued
No
MSRP (new)
$1,399
Avg refurbished
$650
Avg used
$350
Height range
5'0"–6'4"
Weight capacity
400 lbs
Seat width
21"
Seat depth
18.5"
Backrest height
22"
Seat material
Fabric + Foam
Armrests
3D
Forward tilt
No
Lumbar
Integrated
Headrest
Factory
Cylinder
Top-activated pneumatic
Caster stem
11mm × 22mm standard
Frame
Aluminum + polymer
Tilt / lock
Weight-sensitive self-locking recline (body-weight responsive)
Arm adjustability
Synchronous arms with vertical adjustment; arms move with the back
| Spec | HumanscaleLiberty | HumanscaleFreedom |
|---|---|---|
| Brand | Humanscale | Humanscale |
| Model | Liberty | Freedom |
| Era produced | 2006–Present | 1999–Present |
| Discontinued | No | No |
| MSRP (new) | $1,199 | $1,399 |
| Avg refurbished | $520 | $650 |
| Avg used | $300 | $350 |
| Height range | 5'0"–6'4" | 5'0"–6'4" |
| Weight capacity | 400 lbs | 400 lbs |
| Seat width | 19.5" | 21" |
| Seat depth | 17.5" | 18.5" |
| Backrest height | 22" | 22" |
| Seat material | Full Mesh | Fabric + Foam |
| Armrests | 3D | 3D |
| Forward tilt | No | No |
| Lumbar | Integrated | Integrated |
| Headrest | Factory | Factory |
| Cylinder | Top-activated pneumatic (wide cylinder options) | Top-activated pneumatic |
| Caster stem | 11mm × 22mm standard | 11mm × 22mm standard |
| Frame | Aluminum / polymer + Form-Sensing mesh | Aluminum + polymer |
| Tilt / lock | Weight-sensitive recline (Diffrient / Freedom family controls philosophy) | Weight-sensitive self-locking recline (body-weight responsive) |
| Arm adjustability | Synchronous-style / adjustable arms on common configs (not full 4D) | Synchronous arms with vertical adjustment; arms move with the back |
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