Each product remains effective for about 12 months and can potentially last up to 24 months depending on use. Simply recharge them in the sun once a month.

Just place your sachets or pyramids in direct sunlight for 2 to 3 hours to restore their effectiveness.

Yes, activated charcoal is natural and biodegradable. At the end of its life, it can even be used as fertilizer for your plants.

By reducing humidity, allergens, and certain pollutants, Coalnest favors better indoor air quality and contributes to a healthier environment.

Yes, activated charcoal helps combat everyday odors naturally, without masking them with artificial fragrances.

They are suitable for every room in the house (living room, bedroom, bathroom) as well as smaller spaces like cars, closets, or gym bags.

Yes, each product can be recharged in sunlight and reused for several months, making it an eco‑friendly and cost‑effective alternative to chemical deodorizers.

Absolutely, we ship worldwide at no additional cost.