Are you a smoker? What about a pet owner? If so, there is a good chance that the air inside your home isn’t as healthy as it could or should be. That is why you may want to think about purchasing an air purifier. Air purifiers are electronic machines that work to cleanup the air. They do this by trapping, and often eliminating, harmful bacteria and air particles. In fact, you don’t even have to be a pet owner or a smoker to benefit from the use of an air purifier; anyone can. For that reason, there is a good chance that you may be interested in purchasing an air purifier for your home. If you are like most other Americans, when it comes to purchasing an air purifier, you may make the decision to purchase one and then go right out and buy one. Although it is nice to get a product when you want it, often right away, there are disadvantages to doing so. Essentially, you may be purchasing a product that is poor in quality. Without the proper amount of research, you will never know. As mentioned above, it is important that you examine the quality of an air purifier before purchasing it. You can easily do this online. A large number of online websites allow internet users to comment, rate, or write reviews on a product that they have purchased. These products also include air purifiers. If you know of anyone who uses an air purifier in their home, you may also want to think about asking them for suggestions. Feedback from those who own the same product is the best way to learn about the quality of it. In addition to the quality of the product, it is also important that you examine the size of the air purifier you are interested in buying. When it comes to the size of an air purifier, you do not necessarily need to focus on the size of the actual machine, but you should focus on the size of the space that it is designed for. With cheaper, low-cost air purifiers, you will find that they only tend to treat the air in small rooms. These rooms commonly have a square footage of about 250-350 feet. If you are looking to treat the air inside a larger room, you may need to spend more money on a larger air purifier. It is also important to consider the cost of an air purifier. Many individuals, regrettably, make a mistake when doing this. That mistake is believing that the purchase price is the only cost that they need to worry about. While there are some air purifiers that are filter-less, not all are. Many of these air purifiers, the ones that require filters, need to have their filters changed every so often. This can be as little as once every couple of years or as much as a couple of months. It is important that you keep the cost of replacement parts, including filters, in mind. When doing this, you may find that an otherwise low-cost air purifier turns into one that is too expensive for you to afford. Since, in many cases, air purifiers are considered expensive, you are advised to look for air purifiers that come with warranties. In most cases, you will find that many air purifiers have a manufacturer’s warranty. That warranty typically tends to last about a year. If you are spending more than $400 on an air purifier, you may want to think about getting an extended warranty. If you purchase your next air purifier from a retail store, you may need to pay for the warranty. Despite possibly having to pay for an extended warranty, you will find that it is worth the cost. Should anything happen to your expensive air purifier, a warranty would, in most cases, prevent you from being out of luck. The above mentioned points are just a few of the many that you need to take into consideration, when buying an air purifier. As previously mentioned, an air purifier can be a large purchase. That is why you are advised to fully research and examine all aspects of that purchase before making a final decision. It is the only way to make sure that you are not wasting your money.