Many homeowners don’t know a lot about their HVAC system, such as where key equipment like the furnace is located. If you don’t know where the furnace is, you can’t complete routine furnace maintenance tasks like checking the furnace air filter. This and other simple chores can enhance your furnace’s energy efficiency. It’ll also help reduce the risk of damage or a malfunction.
Most furnaces are located in the center of your home, either in a special utility closet or downstairs in the basement. If your home doesn’t have a basement, it could also be in a crawl space or the attic. You may find other equipment like the water heater or your washing machine nearby.
Once you’ve found where your furnace is, the next step is to find the furnace filter.
You’ll most often find the air filter inside the blower compartment, which is accessible through a metal door or hatch on the lower half of the furnace. It may also be in a sliding compartment near the air handler component of your furnace or on a rack installed on the furnace’s side. It will be located in a place where it can trap dust, pollen and other airborne particles as they make their way through your HVAC system.
Over time, the furnace filter collects more and more particles. At a certain point it will restrict airflow and could lower your home’s indoor air quality as well as your HVAC system’s total efficiency. By regularly cleaning or replacing the filter, you’ll keep everything working more effectively.
Fortunately, you don’t need tons of HVAC experience to know how to change a furnace filter. In fact, it’s one of the simplest tasks you can do to help encourage the best performance from your HVAC system. Here are a few things to keep in mind before you begin:
Ultimately, knowing how often to change your furnace filter depends on several things. Start with the model of the filter itself, as more efficient filters often last longer. You’ll also want to think about your indoor air quality needs, the size of your family and number of pets as well as local pollution levels.
Basic filters suggest replacement every 1-2 months, or as short as 20-45 days each if you have several pets and someone in the house has allergies.
The quality of your furnace filter might have a big impact on your HVAC system’s overall efficiency as well as your home’s indoor air quality. The ideal way to confirm the quality of your furnace filter is its MERV rating. This stands for the Minimum Efficiency Reporting Value, and represents the filter’s effectiveness at reducing the number of airborne particles in your home.
The [bigger|higher} the MERV rating, the better the filter will be. Ratings can be on a scale of 1-20, but this doesn’t mean you should try to find a furnace filter with a 20 MERV rating. In fact, most filters with ratings above 13 are often designed for hospitals or other buildings that rely on the safest, most hygienic conditions possible.
Neglecting to change your furnace filter isn’t the end of the world, but it can negatively affect how effective your HVAC system is. Furnaces require unobstructed airflow for efficient heating, and a clogged filter can slow that down. The longer you go without replacing it, however, the more likely problems can develop that will require furnace repair. Here are a few of the most common:
Definitely not! Your furnace filter is still a crucial component for getting the most out of your HVAC system. You should always have a filter in place, even if you forget to replace it every now and then. A trustworthy service company like Service Experts Heating, Air Conditioning & Plumbing can help you keep up with routine furnace maintenance in the U.S. including replacing the air filter.
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