4 Basic Types of Whole-House Filtration and Air Cleaners: Learn About Them
Whole-house filtration is most effective with a forced air HVAC system in the home. This design filters air continuously while the fan is running. Air filters for forced air systems are built directly into the ducts for return air. Particulates are trapped while air moves through the ductwork, allowing for thorough filtering. Homeowners have four major options in whole-house filtration and air cleaners:
- Flat filters – All forced air furnaces employ an elementary version of whole-house filtration. If your home has a forced air system, you can convert it to one that’s much more efficient. The filters are meant to protect the furnace. These might eliminate some airborne pollutants, but they don’t filter microscopic particulates. When clogged, they quit working and stress the furnace. Pleated filters are thicker and somewhat more effective alternatives that use the same space as flat filters. Electrostatically charged pleated types capture allergens more efficiently. All filters in this class should be checked monthly and replaced when dust and dirt has begun accumulating on the filter.
- Extended media filters – These units contain a stack of filters approximately 8 inches thick, with segments overlapping accordion-style. The filter unit is large, so it must be plumbed into the ducts by an HVAC professional. The filter inside the unit requires annual replacement.
- Ultraviolet filtering – With a UV light system, viruses and bacteria in the air are killed by ultraviolet light. Ultraviolet treatment is a popular choice in whole-house filtration and air cleaners and particularly in medical facilities. The typical UV filter is built into to the electronic precipitator as an added component.
- Electronic filters – Also called electrostatic precipitators, these are installed into the air ducts. A current of high-voltage electricity charges particles as air moves through. A collector plate with the opposite charge captures the particulates at the other end, similar to the way a magnet attracts metals. These are relatively effective for filtering smoke and other very small particles.
For more information about whole-house filtration and air cleaners, or for other HVAC needs, contact Apollo Home Heating, Cooling and Plumbing. We proudly serve the greater Cincinnati area.
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"Ernie & Mike did a superb job on my new furnace and A/C installation. Despite having more than a day’s work to do, they came in and stayed until the job was done. They were organized, efficient, and protected the rest of the house well. Got both furnace and A/C installed the same day. Ernie was courteous, informative, and clearly knew his job better than anyone I’ve encountered before. The units look so good guests now get The Tour of our new system. Apollo is clearly not a fly-by-night company. I would recommend them to anyone in need of a new furnace and/or A/C."
- Jerry A.
"I called Apollo because of a water leak I thought I had in our upstairs shower going into the kitchen. Robbie came and assured me everything was fine & looked at all the other plumbing. He ended up changing a few pipes for our washer & clearing a drain. He was very nice & knowledgeable with all my questions. I ended up signing up for the care plan & was very happy with my service."
- Cassandra B.
"The team at Apollo exceeded my expectations. As a business owner, my attention to the details and commitment to providing excellent service is high. From the sales rep. to the installation team, everyone’s performance was outstanding. For example, the installation team went to great lengths to protect our floors, placing floor runners and across the wood floors and up the stairs. They even were spot washing walls upon their departure. I highly recommend this company."
- Randy B.
"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."
- Sarah B.
"Apollo is an excellent company. I always receive great service. Alex A. was professional and friendly. He kept me informed during the process of checking my furnace and heat pump to make sure they were working properly. The company makes sure you are notified who is coming and when they are on the way. All my interactions with the company have been wonderful."
- Beverly S.