Frequently Asked Questions

We recommend replacing your filter every 6–8 months depending on usage and air quality. Your purifier will indicate when it's time for a change.

Yes. Our UV-C and HEPA filtration systems are tested to reduce airborne viruses and bacteria effectively. They do not prevent illness, but reduce exposure.

Use this as a guide:
• Small rooms (≤150 sq ft): Compact models
• Medium (150–300 sq ft): Standard purifiers
• Large (300+ sq ft): High-CADR models or multiple units

Yes, all Alair devices come with a 2-year limited warranty covering manufacturer defects and internal component failures.

We offer a 30-day risk-free return. If you’re not 100% satisfied, just send it back. Full refund. No hassle.

Currently, we ship within the US only. We are expanding internationally soon — join our newsletter to stay updated.

Absolutely. Our units are ozone-free, and all materials are certified safe for indoor use. No UV-C light escapes the housing, and units include child lock functionality.

Our purifiers are designed for silence. On Sleep Mode, most units run below 25 dB — quieter than a whisper. Even at max power, they stay below 50 dB.

Our devices are CARB-compliant, ETL-certified, and meet California ozone emission standards. Filters are lab-tested for 99.97% capture efficiency.

Yes. All Alair purifiers are built for continuous use. They automatically adjust fan speed based on real-time air quality, minimizing energy usage while keeping your air clean.

Yes. Replacement filters are available for every model we sell and can be purchased directly on our site under the “Filters” collection.

No — and we recommend against it. Adding oils or fragrances can damage HEPA filters and compromise performance. Keep it clean and scent-free for the best results.