Herman Miller Cosm Low Back vs HBADA E3 Ultra

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

Herman Miller

Herman Miller Cosm Low Back

$1,345 – $1,820

HBADA

HBADA E3 Ultra

$809

7 years

longer warranty on Herman Miller Cosm Low Back than HBADA E3 Ultra (official terms)

Differences at a glance

Herman Miller Cosm Low BackHBADA E3 Ultra

Price: $1,345 – $1,820$809
Seat depth: 15.9 in (40.4 cm)1.97" seat-depth adjustment (HBADA does not publish the seat-depth range)
Load capacity: 350 lb (158.8 kg)330 lb
Arms: Leaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"720° Omni-Mechanical Armrests: 360° pad rotation and body swivel
Warranty: 12-year, 3-shift warranty, with limited exceptions5 years

Which is cheaper, the Herman Miller Cosm Low Back or the HBADA E3 Ultra?

The HBADA E3 Ultra is cheaper to start: $809 versus $1,345 for the Herman Miller Cosm Low Back at the brand stores (Oct 2026).