How Often Should You Shampoo Carpets?
Not only can carpet be beautiful to look at, but it is also comfortable to walk on, and it's warm during the winter months. Carpet can add to the R-value of your floor's insulation, which can help to lower your energy bills. And when properly cleaned, carpeted floors can actually help reduce allergy symptoms.
The key phrase is "when properly cleaned."
Many carpet manufacturers and professional carpet cleaning companies recommend having residential carpets professionally cleaned every 12 to 18 months. One of the factors that affects the frequency of shampooing is the number of people in the household. A couple with no children who do little entertaining would not need to shampoo their carpets as frequently as a family with several children who frequently entertain guests.
Pets that stay inside all or most of the time have a smaller impact on the frequency of carpet shampooing than pets that are permitted to go outside frequently. Pets that have unattended access to the outside via a doggy door can track significantly more dirt into the house and onto the carpet. This type of traffic will require more frequent spot cleaning and carpet shampooing.