When it comes to buying an air purifier, or any product for that matter, many individuals make the decision to stick to a name or a brand that they know. Although this can work out in some cases, it doesn’t in all. In fact, it may be difficult to do with air purifiers. This is because so many air purifiers have been developed that it is often hard to keep track or familiarize yourself with all of them. This doesn’t mean that an air purifier made by a company that you have never heard of before isn’t good; it just means that you are unfamiliar with it. When it comes to air purifiers that you may be unfamiliar with, one brand is Holmes. Although Holmes air purifiers come highly rated, it is a name that most individuals are relatively unaware of. If you are aware of the Holmes product line, which not only includes air purifiers, but fans, heaters, and humidifiers, you are advised to familiarize yourself with these lines of products, before making your next purchase. This will give you the opportunity to possibly find an amazing, yet affordable air purifier, which you may have previously been unaware of. Holmes has two main types of air purifiers. These air purifier types are known as Harmony air purifiers, as well as HEPA air purifiers. In addition to these two specific product types, you will find that there are number of different models available for sale. Despite the difference in models, you will find that many of these Holmes air purifiers offer the same level of protection. With the Holmes Harmony air purifiers, you will find that you have a number of different models, as mentioned above. Some of these models come in a shape, such as a tower fan, while others are smaller in size, and others are even a little bit large in size. The smaller, compact air purifiers, including the tower fans, tend to sell for around fifty dollars. These affordable air purifiers are ideal for smaller sized rooms. If you are looking for an air purifier that is designed to clean the air inside a larger room, you will want to examine another Harmony model. There are a couple of Holmes Harmony air purifiers that are designed specifically for larger rooms. If you are looking to clean the air in a large room or multiple rooms, you may want to learn more about these types of air purifiers. As you might already assume, the Holmes Harmony air filters, which are designed for larger rooms, tend to cost more money. With air purifiers, this is quite common. On average, the Holmes Harmony air purifiers, for larger rooms, tend to sell for around two hundred dollars. Aside from the Holmes Harmony models, you should also be able to find air purifiers from Holmes that use HEPA air filters and HEPA technology. Like all other air purifiers, you will find that these purifiers come in a number of different shapes, sizes, and styles. The Holmes HEPA air purifiers tend to retail for around one hundred dollars, depending the size and style of the air purifier. With the Holmes Harmony air purifiers, as well as the HEPA air purifiers, you need to know that replacement filters are needed. The cost of these replacement filters will vary, depending on the type of air purifier you own. As well as the cost of the filters, the number of times that you need to replace the filters will all depend on which type of air purifier you purchase. For additional information on replacement filters, you are advised to select a specific Holmes air purifier and then further research that purifier. If you are interested in learning more about the air purifier products available for sale by Holmes, you are advised to examine their online company website. That online website can be found at www.holmesproducts.com.