Check it at least every month during peak use, and replace it when it looks dirty enough to significantly impair the air flow through it. Some filters, such as media filters or electronic air cleaners, are washable; others are disposable and must be replaced.
J & R Heating carries a large supply of filters and if we don’t have your size, we can order it for you. Mention this blog post for a 20 percent discount on your next purchase of filters.
Get additional tips and inspiration for relaxing in absolute comfort year round, while saving every month in energy costs. Comfort Matters Blog.
If you have these symptoms when you enter specific buildings you may have BRI (building related illness): cough , chest tightness, fever, chills, and muscle aches. For prevention and treatment tips read more on IAQ (Indoor Air Quality).