The answer to 'carpet odor' is that there are several common causes, including spills, pet accidents, mold growth, and general dirt and debris buildup. Symptoms may include a musty or unpleasant smell that lingers even after cleaning. Solutions can range from DIY spot cleaning to professional deep cleaning, depending on the severity of the issue.
For minor odors, you can try DIY methods like blotting up spills, using baking soda or vinegar to absorb odors, and regular vacuuming. However, if the odor is persistent or caused by more serious issues like mold or pet accidents, it's best to call in a professional carpet cleaning service. They have the equipment and expertise to properly deep clean and deodorize your carpets.