Stains
Do you read the care and maintenance instructions for your specific carpet style? There are specific ways to remove stains depending on your type of carpet. Care and maintenance instructions provide an approved list of chemicals that you can use to remove stains. If you still have stains after you've done a self-cleaning, you may want to have your carpet cleaned professionally. If stains are still visible after a professional cleaning the stains may be permanent and a sign it's time to replace the carpet.
Rips
Small rips or tears can be fixed or replaced with the help of a professional carpet layer. However if the carpet has a large tear or rip it may be a sign it's old and time to replace the carpet.
Odors
When you experience strong odors in the carpet get it professionally cleaned. If the odors are still there after a thorough cleaning it's likely a sign it's time to replace the carpet and make sure new pad is put down to completely eliminate the odors.
Allergy
Over time carpet collects allergens and the longer you have it the more likely you may experience some allergies. If you're experiencing some allergies indoors it may be old carpet and a sign it's time to replace the carpet.
Life-cycle
To help your carpet last longer you should vacuum on a regular basis and follow the warranty care and maintenance instructions. To increase your carpets life you should have your carpet professionally cleaned every 18-24 months or sooner. If your carpet is older than 20 years it's a sign it's time to replace the carpet to maintain your home's indoor air quality and comfort.