Filters for Air Conditioning and Heating systems

There are different types and sizes of Heating and AC Filters.  How do I know which one is right?

In short your heating and AC manual should be able to guide you with the correct type and fit, so long as the correct type has been used since the original installation of the unit you can usually look at the existing filter and get the identifying size and type.  Furnace Filter in MarylandHowever to be safe you can contact us and we will be happy to help you and even come out for a check up or set up a regular maintenance plan.  The Filters can be the traditional style, can be fiberglass or even HEPA (High Efficiency Particulate Air) and the high efficiency style can slow air flow and cause the air handling unit to have to work harder and even fatigue.  Getting your Air Conditioning and Heating maintenance is another great way to make sure that things are working properly and have the right fit.

How often should a Heating and Air Conditioning filter be changed?

A general rule of thumb is 60-90 days however some only last only a month, while others can last three to four months.  Special conditions can greatly affect the lifetime of a filter, like construction projects, fireplaces, pets, moisture and age of the system.  change my HVAC filter Many HEPA filter can last up to half the year and can be cleaned according to the manufacturers specifications and often as simple as a vacuum.  Visual inspection can common sense can go a long way in fitting your exact needs.  Keep a few filters on hand and when you check the existing filter compare it to the new one.   If you have allergies or are sensitive to the Spring conditions of pollen, grass cutting and humidity from the April showers the rather inexpensive cost of changing the filter more frequently (every 30 days) is well worth the cost and effort.


Grove Heating and Cooling Serving Anne Arundel and PG County Maryland.  Specializing in Annapolis, Laurel, Bowie, College Park, Glen Burnie, Crofton, Pasadena MD.

Contact Grove HVAC today about SAVING with a regular Maintenance plans! (410) 721-5595