For 20 years, Sylvane.com has been helping customers find the right products to improve their indoor air quality. The store was founded by allergy sufferers, so it knows all about the frustration that can stem from shopping for dehumidifiers, fans, air filters, air conditioners and thermostats. Even if you don't suffer from allergies, it can be confusing to try to determine just what you need: Is a furnace the same as a heater? What type of air filter is most appropriate for your situation? Do you need a humidifier or a dehumidifier? No matter your questions, Sylvane experts are on hand to help. In addition to a helpful Knowledge Center and regular blog posts, Sylvane also offers free phone consultations so you don't waste time or money. And to ensure your satisfaction, it extends a 30-day money-back guarantee on every product it sells. Want to enjoy cleaner, fresher air inside your home or office, without spending too much? Just use a Sylvane coupon on your next purchase.