Air vents should be cleaned at least once a year, with late spring or early fall being the ideal time. The best time for air vent cleaning is during spring or fall to boost air quality & hvac efficiency. Keep your home fresh, schedule your cleaning now! A thorough vent cleaning gets rid of the gunk and the smells that come with it, leaving your house smelling cleaner and fresher for the winter season. · there are a few reasons why you should clean your air vent covers every once in a while. Controlling dust and allergies is a big reason, as well as increasing the hvac efficiency, too. Dirty air vents decrease hvac efficiency and may increase the risk of fire or indoor air quality issues. · as air flows through dirty ducts, it can pick up and circulate those unpleasant odors throughout your home. Not only does this practice contribute to the overall efficiency of your heating, cooling, and ventilation systems, but it significantly impacts indoor air quality (iaq). · cleaning air vents improves air flow , making it easier for warm air to heat the home. · one key aspect of ensuring a healthy indoor atmosphere is keeping your air vents clean. · after any renovations or high-dust events, vents should be cleaned immediately, as construction dust and debris can quickly clog the system and compromise air quality. During spring or early fall , air ducts arent constantly in use, making it the best time of year to have air ducts cleaned by professional duct cleaners like zerorez®, as they dont have to turn off your unit when dealing with extremes in outdoor temperatures.