Derek Cole recommends checking your HVAC filter every month and replacing it if dirty, or every three months minimum. Energy Star says filter replacement is one of the most impactful DIY actions for home health and efficiency.
Good rule of thumb: check your filter every single month. If it needs to be replaced, replace it. If it's dirty, replace it. Now, every 3 months, whether dirty or not, replace it. Always keep that in your mind. Get an alert on your phone, get an alarm on your phone, whatever needs to happen. According to Energy Star, this activity all by itself. Changing your filter is one of the most important things you can do yourself for your home. So number 1, clogged air filter.
How to Prevent Mold and Odor in Your Air Conditioning System with UV Light #shorts
