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How Old is my Herman Miller chair?

Herman Miller office chair

Of all chairs in the market, nothing is like Herman Miller in terms of longevity and warranty.

They’re quite popular for these two things, but if you’re not aware of how long your Herman Miller chair will last, then you’re in the right place.

We’re here to guide you to know more about your Herman Miller chair and how you can make the most out of it by prolonging its life.

So if you’re determined to keep using your Herman Miller chair for a long time, read on.

How can I tell how old my Herman Miller chair is?

Herman Miller Classic Aeron Chair-Size B

All Herman Miller chairs will have a manufacturing date that will tell you when it was made.

You will find the manufacturing date on the underside of the seat.

Take note that these marks are not the same for all types of models. This is because Herman Miller has changed how their product labels look several times.

You can check what the other labels look like here.

But even if the labels look different, there will always be these three elements: complete product number, FO number, and manufacturing date.

From the manufacturing date, you’ll already know how old your Herman Miller chair is when you subtract the current year from it from the manufacturing date.

Where is Herman Miller model number?

The model number can be found on the same label where you find the manufacturing date. It’s commonly known as product number.

This label is right under the seat of your chair. For other items such as tables, it can be underneath the table’s surface.

The model number can help you register your brand new Herman Miller chair.

Yes, you can register your chair so that Herman Miller can update you when there are issues or concerns regarding your unit.

We suggest that you register your product here so that you get to know more about your chair.

If you’ve bought your chair secondhand, always check if there’s a label about the product number and manufacture date. This will help you identify if it’s an authentic Herman Miller product.

How long does a Herman Miller chair last?

a lifespan of a Herman Miller chair
Herman Miller chairs have a lifespan of at least 12 years.

Some office chairs can only last for as short as six months, but Herman Miller chairs can last longer because of their exceptional build quality.

And even if there are chairs that can last for a whole decade, you won’t find a brand as well-known as Herman Miller’s very long lifespan for office chairs.

But of course, how long a Herman Miller will last will be entirely up to your maintenance and use, and we’ll talk about how you can maintain a Herman Miller chair for it to last long.

How long is the warranty of Herman Miller chairs?

Herman Miller chairs have a 12-year warranty
Herman Miller chairs have a 12-year warranty.

This indirectly gives us a guarantee that Herman Miller chairs last longer than 12 years. Otherwise, the company wouldn’t have provided this extended warranty.

And this warranty also extends to other furniture items of Herman Miller.

Take note, however, that this warranty only includes parts and labor. Other issues may not be covered, so it’s best to check the full document here.

The warranty should hold if you buy the chair from an authorized dealer or online store. Provided, of course, that the chair you have is authentic.

If your Herman Miller chair needs a repair or replacement, contact the closest dealer to you. Just show the product number, FO number, and manufacturing date, and they can determine if your chair is still within the warranty range.

If you’re buying from a reseller or a secondhand store, you might not have the same warranty benefits.

In most cases, you will most likely have to ask the reseller to repair the chair for you. And depending on your agreement during the purchase, they may or may not shoulder the repair or replacement fees.

How can I prolong the life of my Herman Miller chair?

Depending on the model of your chair, your maintenance and care will be slightly different from the other models.

And knowing how to maintain your chair properly can lengthen its lifespan.

Here are some popular Herman Miller chair models and their proper care guidelines.


Herman Miller Classic Aeron Chair

The best way to prolong your Herman Miller Aeron chair is to remove the dust regularly with a vacuum cleaner.

Turn your vacuum to its lowest setting, and with a brush attachment, gently remove the dust that has gathered on its foundations and mesh material.

You can also use the same vacuum settings to clean the leather pads on the armrest.

Never brush the mesh and leather material of the Aeron.

Brushing will only damage these parts.

We also suggest washing the chair using a soft cloth, warm water, and mild detergent. Just wipe the chair gently with the cloth and let it air dry.

If there are spills on the chair, always clean them right away using a soft cloth and a mild cleaner. And again, don’t brush the mesh.


As for the Sayl, use a mild detergent mixed with warm water. Dampen a soft cloth with this mixture.

Use this to clean all the parts of the Sayl chair, even the backrest.

After cleaning, use a soft dry cloth to wipe away the excess liquid from the chair.

You can also use a vacuum cleaner when removing dust. Just make sure to use a softer brush and not a rotary brush.

It’s best to use a vacuum cleaner only when you’ve wiped the chair and let it dry.


Herman Miller chairs last for more than 12 years when taken care of.

If you want to know how old your chair is, look for the label under the seat, and you’ll find the manufacture date. The company has changed the label’s look several times, so check this for reference.

But regardless of how old your chair is, cleaning it regularly will help maintain or lengthen the life of your Herman Miller chair.