It is not necessary to replace AC vents on a regular basis.
It is only necessary to replace them in a few situations.
When your HVAC system is noisy, you might need to replace your air vents. A vent will often make noise, but if it gets worse or irritatingly loud, then you may need to call in a technician for a service or repair as this can be a sign of a problem that could affect your system’s efficiency. Have you noticed an increase in your energy bills lately? The sudden spike in your energy bill might be caused by leakage in your air vents if you haven’t recently installed new electronics in your house. Do you have inconsistent heating or cooling? When certain rooms are not getting the same cool or hot air as the rest of the house then this might be because your air vents have a huge leak. Call any heating and cooling specialists for a consultation. You just dusted a few days ago and already see dust on your furniture and walls. Why is that? If you notice your home is building with dust on your surfaces without any weather factors, and you are sneezing more than usual, it might be because the air from outside is getting in your ducts through leakage or break in your vents. When there is an unusual smell in your home and you can’t find the source, it may be due to mould or mildew build up, or even pests in your vents. This can be caused by improper connectivity or insulation.