Frequently Asked Questions

SmartPure is our proprietary technology for measuring the air quality in your space and giving you real-time insight into this number. Precise sensors constantly monitor your air quality and our digital display allow you to view your AQI (Air Quality Index) at a glance.

HEPA-13 is medical-grade purification technology that traps 99.97% of particles down to 0.3 microns, and 99.95% of particles down to 0.1 microns in diameter.

Filters with a lower HEPA number (e.g. HEPA-11 and True HEPA) aren't as good at trapping particles, which means there are more contaminants in the air you're breathing at home.

Activated Carbon is a critical component of effective air purification, catching harmful chemicals such as Formaldehyde and Volatile Organic Compounds (VOC). The Carbon filter in Sans also captures odors, smoke and other gasses, such as radon.

Sans produces no ozone and is completely safe. Air purifiers that produce ozone can be dangerous and should be avoided.

This technology paired with our HEPA-13 filter means there are likely to be far fewer bad particles in your home's air.

Yes! We offer a 30-day risk-free trial that allows you to see Sans work in your space. We're confident you'll love Sans but you can always return it for a full refund if you don't. We even pay the return shipping.

Yes! Sans comes with an industry-leading 5-year full warranty. We're only happy when you are and we want you to feel confident in your purchase. We'll replace your Sans at no cost if you experience a fault within this period.

Again, yes! We offer free standard shipping so the price you see is the price online you pay. No surprises.

We offer straightforward financing options, most with 0% interest. You can choose from our 3, 6, 12 and 24 month loan options with low monthly payments. In most states, you can simply also split your purchase into 4 equal payments with no interest.

We accept all major credit cards, along with PayPal and Amazon Pay. We also offer easy financing.

The Sans 3-in-1 filter is designed for 2200 hours (3 months) of continuous use. After this time, your Sans purifier will let you know the filter needs replacing. New filters are available directly on our website, via either a one-off purchase or our Clean Air Club subscription.

Our Clean Air Club filter subscription delivers a brand new filter to your door right when you need it (every 3 months). Filters always ship for free.