Barring any big mechanical issues, it could just be that your AC filter needs a good cleaning.

Fortunately, even the most reticent DIYer can learn how to clean an AC filter easily.

Youll also need to let the filter air dry before reinstalling, so timing is key.

Person cleaning air filter with orange gloves on and hose

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Those who suffer from allergies or other respiratory concerns would benefit from monthly cleaning.

If you have allergies or other respiratory problems, you might find yourself sneezing and wheezing more often.

you could if its a reusable filter.

Full frame of a clogged air vent

Credit: Douglas Sacha/Getty Images

If you have a disposable filter, then keep replacements on hand.

Otherwise, let your reusable filter air dry completely before reinstalling in your AC unit.