- #Furnace air flow direction how to#
- #Furnace air flow direction install#
- #Furnace air flow direction manual#
#Furnace air flow direction manual#
If you understand the MERV correctly, check the product manual ratings. Research says air filters with MERV ratings 7 to 8 consider perfectly balanced for cost and efficiency.
#Furnace air flow direction how to#
How To Choose The Best Furnace Filters For The Home?Ī good furnace filter depends upon use and budget. All manufacturers must maintain the US Government's recommended range of 7 to 13 MERV ratings for air filters. It is a rating on a scale of 1 to 20 using the MERV (Minimum Efficiency Reporting Value). What are Furnace Filter Ratings?įurnace filter ratings are a measurement of its efficiency, and there is a minimum requirement fixed by the United States Environment Protection Agency to be maintained for HVAC manufacturers. You can also check online resources for guidance or ask the technician who installed your unit.
HVAC manufacturers print the directions to keep the arrow pointers according to the airflow on product sides. Position and direction vary for Upward flow, Downward flow, and Horizontal flow types of furnaces. The airflow direction should be towards the blower and away from the supply duct. How to Ensure the Correct Direction of the Air Filter?
In addition, if it stays in the wrong direction for a long time, your furnace will start to malfunction gradually. Therefore, it will consume more energy and inflate your monthly utility bills. It will take lots of time to heat, cool, filter out dust particles, etc. First, the machine has to work overtime to provide a comfortable indoor atmosphere. The air filter in the wrong direction is bad for multiple reasons.
#Furnace air flow direction install#
What Happens when you Install an Air Filter in the Wrong Direction? Air filters absorb maximum pollutants and minute particles and ensure optimum airflow. HVAC products are designed with an air filter on one side that is comparatively more porous than the other side of the unit. Why Does Airflow Direction Matter At The Time of Air Filter Installation? It's time for important questions and answers you need to know as a consumer. We now explained the required direction for Horizontal, Downflow, and Upflow furnaces. The air pointers should be in the direction of the airflow. Filter stays on the sides that intake cool air. Horizontal furnaces come with a slide-in filter within the HVAC unit. Air enters from one side, heats up or removes heat for cooling, and flows the filtered air through the ductwork on the other side. Horizontal FurnaceĪs the name suggests, air flows in horizontally placed furnaces from one side to another. Some downflow furnaces come with a V-shaped air filter and require two filters installed within the compartment in a V-shaped position. Arrow points should be in a downward position. You will find downflow furnaces in the upstairs or attic of the home.
The air filter is positioned at the top within the upper blower compartment. Air gets heated and flows into the ductwork. In downflow furnaces, air comes from the top. The arrow marks should point upwards in an Upflow furnace. In Upflow furnaces, the air filter is positioned at the bottom of the HVAC product within the blower compartment near the cold air return. After that, the air gets heated in the heat exchanger and flows upwards in the house's ductwork. It absorbs air from the bottom or sides of the machine. Generally installed in the home's basement area, Upflow furnaces are placed in an upright position. The air filter within the system is always positioned near the intake air blower fan and allows air to flow through the air filter. There are three categories of furnaces available according to their placement position. Types of Furnaces and Location of the Air Filter If you do not feel uncomfortable checking with your hand, hang a piece of paper, it will flutter with air coming from the blower, and you will have an idea about direction. Place your hand carefully, and you can feel the flow of the air. Switch on the blower by selecting the fan options of the thermostat and make it 'On' after removal of the air filterĪfter a couple of seconds, the blower will start running. Look for the arrow points on the air filter. You can follow them according to the wind direction. To begin with, you can refer to the printed direction to adjust arrow points on the product manual and the side of the filter frame. Arrow points should be in the direction of the ductwork or air handler, which varies with Upflow, downflow, and horizontal flow of the furnace position. The direction of the air filter or furnace filter is crucial to get maximum comfort with your HVAC products at home or in a commercial place.
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