There are several answers as well as considerations you need to consider regarding how often you should clean your carpets. They are what I call blanket answers. Answers that are designed to cover everyone. The problem being no one answer is realistic for everyone.  All the major carpet manufacturers recommend every carpet should be cleaned on an annual basis but require that all carpets are professionally cleaned at least once every two years to keep the warranty in force for the carpets....

    Facts about dust mites   To understand Dust Mites, we need to know a little about them. House dust mites are microscope bugs that primarily live on dead skin cells which regularly shed from humans and their pets. They are too small to be visible to the naked eye; are only 250 to 300 microns in length and have translucent bodies. Dust mites are a major cause of asthma and allergies especially in vulnerable individuals such as children and the elderly who are prone to have...