How to specify the Aeron Chair
Choose the right Aeron size
Aeron comes in sizes A, B and C. The seat depth is 417 mm for size A, 432 mm for size B and 480 mm for size C. Herman Miller states maximum user weights of 136 kg, 159 kg and 181 kg respectively. Use both body dimensions and the manufacturer’s size guidance when selecting chairs for named users or a mixed team.
Select the back support
The chair can be specified without extra support or with PostureFit, adjustable lumbar support or adjustable PostureFit SL. PostureFit SL supports the sacral and lumbar areas. The right choice depends on the user assessment and how the chair will be used.
Decide how the chair should move
Tilt choices include standard tilt, a tilt limiter, or a tilt limiter with forward seat angle. Harmonic 2 Tilt is designed to let the chair move with the sitter. For shared workstations, agree which controls different users need to adjust between shifts.
Choose the arm configuration
Aeron can be specified without arms, or with fixed, height-adjustable or fully adjustable arms. Some configurations add arm-pad depth adjustment. Check desk height, clearances and the work being carried out before choosing.
Confirm colours and materials
The 2026 UK product sheet lists Onyx, Graphite, Carbon, Mineral, Nightfall and Jasper, with frame and base choices that vary by configuration. Aeron contains more than 50% recycled material, including ocean-bound plastic. Final finish and material choices should be checked against the project specification.
Plan the workplace requirement
For a project quotation, give one of our experienced project consultants the chair quantity, user mix, desk type, preferred finish and delivery location. Après can support specification, procurement, delivery and installation as part of a commercial furniture project.
Frequently asked questions
What sizes does the Herman Miller Aeron Chair come in?
Aeron comes in sizes A, B and C. Seat depths are 417 mm, 432 mm and 480 mm respectively. Herman Miller states maximum user weights of 136 kg for size A, 159 kg for size B and 181 kg for size C.
Which back-support options can be specified?
The chair can be specified without extra support or with PostureFit, adjustable lumbar support or adjustable PostureFit SL. PostureFit SL supports the sacral and lumbar areas. The choice should reflect the user assessment and chair configuration.
Which Aeron adjustments are available?
Options include adjustable seat height, standard tilt, a tilt limiter, forward seat angle and several arm configurations. The exact controls depend on the chosen specification, so they should be agreed before quotation.
Can Aeron be specified for shared workstations and trading floors?
Yes. Its three sizes and configurable controls allow a project team to set an appropriate chair specification for shared or high-use work areas. User mix, desk layout, shift pattern and the required adjustments should form part of the brief.
What warranty applies to the Aeron Chair?
Herman Miller lists Aeron with a 12-year, three-shift warranty. The cover remains subject to the manufacturer’s international warranty terms, product configuration and stated exceptions.
Does the Aeron Chair contain recycled material?
Herman Miller states that Aeron contains more than 50% recycled material, including ocean-bound plastic. The exact material profile can vary with the selected configuration.
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Herman Miller Aeron Chair
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