Air Treatment:

High-quality refurbished Air Treatment devices at a great price. Your more sustainable choice, with a minimum 12-month warranty.

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All refurbed products are completely refurbished using 40 steps. They look and feel like new and come with a minimum 12-month warranty. Take advantage of our 30-day trial period and see for yourself.

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Air treatment devices that keep rooms fresh and balanced

If you want to treat the air at home, this page lists refurbished air purifiers, humidifiers, dehumidifiers, air washers and fans. Each device has been used before, then tested, cleaned and repaired where needed by experts, and is sold with a warranty. Expect smart models and simple ones, all for less than new.

  • Save up to 40% vs new: better for your budget.
  • Min 12-month warranty: support for daily running.
  • 30-day free trial and free returns: see how it fits your room.
  • Delivery included: to your door.
  • Flexible payment methods: choose what works.

Who it is for

  • Home-office workers: a quiet purifier like the Clean Air Optima CA-509Pro for the room you sit in all day.
  • Parents of young children: a humidifier and purifier combination such as the CA-808 for a bedroom.
  • People in damp homes: a dehumidifier and purifier such as the CA-707.
  • Design lovers: the OneLife X Design air purifier stands out in a living room.

How to choose

Purifier, humidifier or dehumidifier

Purifiers deal with air, humidifiers add moisture and dehumidifiers remove it. Combination models do two jobs, which suits small spaces.

Filter type

Product names mention HEPA, ioniser or UV functions. Compare what each model offers and check the maker’s advice about replacing filters.

Smart control

Many Clean Air Optima models carry the Smart label, which means app-based control. Check the listing to see how it is set up.

Placement

Leave some free space around the device so air can move freely, and keep it away from damp walls or direct heat. A device that sits where you spend most time usually does the most good.

Tank and top filling

Humidifiers differ in tank size and filling method. A top-filling design, like the CA-806 and CA-808, can be easier to refill.

Condition

Each listing describes the condition of the item, and every device is checked by experts and comes with the min. 12-month warranty. Photos show any light marks.

Noise and placement

A device in a bedroom or home office should be quiet, while one in a hallway can be bolder. Think about where it will stand, how close a socket is and whether you need space around it for airflow.

Brands on this page

Clean Air Optima provides most of the range, from the air washer CA-803 to the 4-in-1 CA-106. OneLife has the X Design air purifier, Italian Design lists a windflow pedestal fan, and Zephir and Dcg appear in the range too.

Refurbished vs new

You save up to 40% compared with new. Refurbished is also more sustainable vs new, because existing devices get a second life and fewer new ones have to be made.

Refurbished vs second hand

Second-hand air devices from private sellers rarely include a warranty or a tested condition. Here, experts check each one, condition is described and a min. 12-month warranty applies.

Common questions

How do I know it works?

Experts test every device before it is sold, and you can try it for 30 days with free returns.

Is delivery included?

Yes, delivery is included.

Which payment methods are there?

Flexible payment methods are offered at checkout.

How long is the warranty?

Every item comes with a min. 12-month warranty.

Choose your device

Compare the listings and find the device that fits your room and your routine. If you are not sure which type you need, start with the problem you want to solve and use the combination models to cover two jobs with one device. The 30-day free trial and free returns give you room to test it at home before you keep it.

How do we rank our products?

We rank our products based on factors including price, availability, top sellers, shipping time and the seller's track record on quality. This ranking is consistent across all sellers, encouraging healthy competition on our platform, which ultimately leads to better prices and higher product quality for our customers.

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