- #Replacing furnace filter airflow direction install
- #Replacing furnace filter airflow direction series
It’s smart to draw the airflow direction arrow with a permanent marker on the furnace or ductwork. The arrow must face toward the furnace and away from the return duct that pulls the air in need of heating or cooling.
On the new filter, find the arrow indicating the proper airflow direction. Stand in front of the furnace and look for the ducts. Determine where on the furnace you can find the filter air box. In most furnaces, the filter will be adjacent to the furnace and is inserted where the ductwork meets the furnace. When it’s time to change your filter, follow these six tips to ensure it is performed properly: Simply write yourself a note when it’s time to change your filter.Īnother way to remember to change your filter is the season changing from fall to winter, winter to spring, spring to summer, and summer to fall. If you don’t have a smartphone or smart thermostat, a calendar is a good way to remind yourself. Technology can be great for this! You can easily set reminders on your phone to let you know. Using FilterScan Wifi means you won’t ever miss changing the filter when it’s necessary to avoid damage or low air quality, nor will you waste money on changing a filter that is still working effectively. This provides automatic monitoring of your filter system and alerts you when it’s time for a replacement. The easiest and most reliable way of telling whether your filter is dirty and needs to be replaced is installing a filter monitoring system like FilterScan Wifi. If you notice an increase in the amount of dust and dirt on furniture and other household items, it may be time to change the filter. Keep an eye on the amount of dust and dirt building up in your home over a set period. If you remove the filter and there is a significant release of air pressure, this means the buildup of dust and dirt has reduced the effectiveness of the filter. Listen to the sound of air moving through your furnace. A large buildup can be a sign that it’s time to replace your filter. Examine your furnace filter carefully for the buildup of dirt, dust and other contaminants. So that arrow on your filter should always be pointed towards or in the direction of your indoor unit.There are a few different ways of checking whether the filter is dirty and needs to be replaced: And as the air returns from your home it is filtered and then passes through your unit, conditioned and pushed into your living space as warm or cool air. It is on the return side that your air cleaner is installed. These grills that suck the air back are usually much larger than supply registers and are typically found in the walls or ceilings. It also has the effect of pulling or sucking air from your home back to the unit through separate and distinct duct work. This has the effect of pushing air from your indoor unit through the duct work and depositing it at the supply register locations in your home (usually small rectangular or circular metal grills in the floor or ceiling). When operational, your heating and cooling system uses a fan motor to pressurize the duct system. Your ducts or the metal tubing is what allows for that air flow. 
Your system has a return side and a supply side for air distribution to and from your home. So lets assume your air cleaner is installed correctly. Your Honeywell air cleaner will always be installed on the return side of your system (air handler/heat pump, air handler/air conditioner, furnace, etc.) If it is not then you have a big problem. Simple enough, right? The next question is always.well, how can I tell which way the air is flowing? No problem, lets get down to it. Well, the most direct answer is: In the direction of the air flow.
#Replacing furnace filter airflow direction install
Which way should the arrow be pointing in when I install my Honeywell air filter in the air cleaner cabinet.
#Replacing furnace filter airflow direction series
(This is part of an ongoing series where we will post answers to the most frequently asked questions we receive from our customers.)
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