Herman Miller Aeron vs Knoll Morrison Hannah Task Armchair

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

Herman Miller

Herman Miller Aeron

$1,775 – $2,840

Knoll

Knoll Morrison Hannah Task Armchair

$1,733 – $3,063

Nearly the same price

$1,775 vs $1,733 starting prices at the brand stores (Herman Miller Aeron vs Knoll Morrison Hannah Task Armchair)

Differences at a glance

Herman Miller AeronKnoll Morrison Hannah Task Armchair

Price: $1,775 – $2,840$1,733 – $3,063
Seat height: 14.4–19.3 in (36.6–49 cm); 14.8–22.8 in (37.6–57.9 cm); 15.8–22.8 in (40.1–57.9 cm)16.375–20.125 in
Seat depth: 16 / 17 / 18.5 in (40.6 / 43.2 / 47.0 cm)18.375 in
Load capacity: 300 / 350 / 400 lb (136 / 158.8 / 181.4 kg)350 lb
Warranty: 12-year, 3-shift warranty, with limited exceptions12 years

Which is cheaper, the Herman Miller Aeron or the Knoll Morrison Hannah Task Armchair?

The Knoll Morrison Hannah Task Armchair is cheaper to start: $1,733 versus $1,775 for the Herman Miller Aeron at the brand stores (Oct 2026).