Believe it or not, the simple air filter in your forced-air heating or cooling system can play a major role in how well your equipment operates. Changing the air filter on a regular basis is essential since it ensures smooth airflow and energy-efficient operation, and may extend your HVAC equipment’s service life and improve indoor air quality. Let’s look at each inter-related benefit of changing the air filter:
As air circulates in your forced-air system and is delivered to rooms and then brought back to the furnace, A/C or heat pump, it passes through an air filter to remove dirt, debris and other airborne contaminants. Over time, the collected particulates will coat and clog the filter. Unless the filter is changed before this happens, airflow will be restricted. This forces your HVAC equipment to work harder to meet temperature demands, wasting energy and stressing parts.
If the blower or air handler doesn’t meet resistance as it pushes air through the HVAC system, the equipment will use less energy. In addition, if A/C or heat pump refrigerant coils are clean, the essential heat exchange process will occur much more efficiently. Finally, system parts and components that get dirty as a result of a clogged air filter will see more friction and won’t use energy efficiently.
Equipment Malfunctions and System Longevity
HVAC equipment that’s working unnecessarily long and hard to do its job will fail earlier than if you were regularly switching out the filter. Similarly, the system’s useful service life may be shortened.
Indoor Air Quality
Once an air filter starts getting clogged with dust and debris, it might initially do a better job of filtering out particulates. However, once it’s fully blocked, the blower may begin blowing health-threatening contaminants past the filter and into indoor air.
The basic rule for most systems is to check the air filter once a month, and when it looks dirty, change it.
For more advice on changing the air filter in your greater Cincinnati area home, please contact us at Apollo Home Heating, Air Conditioning & Plumbing.
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"We scheduled an estimate AND a tune-up. We knew something was wrong with our furnace, but hoped we could make it through the rest of the season. Upon telling Bill what our furnace was doing, he warned us immediately what the possible outcome was going to be; a cracked heat exchanger. He watched the flames roll backward, tested carbon monoxide levels, which were so high they meter’s last reading was 5,600 before saying “high”. He immediately shut it down, tagged it, and explained that with levels that high and children in our home he wanted off right away. He continued his inspection and showed us via a camera that not only was it cracked in multiple places, but had holes all over it. He gave us a few options for repairing it; his knowledge as well as genuine concern was beneficial and refreshing. Luckily we also scheduled an estimator, Micah, to come too and we were able to get costs between repairing and replacing (with several options). We decided to replace with a much higher efficiency furnace and one sized properly to our home. Hands down, not only did they both provide us great service and knowledge, but without sounding dramatic, they may have saved our lives. This was our first time calling Apollo, but it won’t be our last."
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