What type of filter is best for a furnace?
Furnace manufacturers prefer the traditional spun fiberglass ac filters (MERV 2). These filter out enough of the large particles to protect the furnace while providing maximum airflow.
How many furnace filters do I need in my house?
2 air filters
How Many Air Filters Does a House Have? Typically, a house will have 2 air filters in their intake vents. In some cases, there can be more or fewer depending on the square footage of the home or apartment and the number of floors that need to be supported by the central air system.
What happens when you don’t change furnace filter?
Without a new air filter, the furnace will overheat every time it starts up again. This is referred to as short cycling. Dirty furnace filters cause your furnace to work harder than it should due to a decrease in airflow. The harder your furnace works, the quicker its parts will wear out and need repairs.
Will MERV 13 filter hurt my furnace?
MERV 13 air filters are the highest-rated air filters for home use. Any air filter with a rating higher than 13 will restrict air flow to the point of which could cause damage to your HVAC system, resulting in an added expense to fix it.
How do I know if I put my furnace filter in backwards?
So be sure to look for the arrows that are printed on the sides of the filters because they show you which way the filters are supposed to be installed. That arrow must always face toward the furnace and away from the return duct that carries the air in need of heating or cooling.
What is the best furnace filter for home?
The X6673 Lennox 20x25x5 Merv 11 Filter are the best furnace filters for capturing all the standard air pollutants in your home. It includes two UL class-2 filters which are certified to UL 900 standards.
What is the best brand of furnace filters?
Like 3M, Honeywell is another brand that makes some of the best furnace air filters. This particular model is rated for both efficiency and performance, which makes it an ideal choice for both consumer and commercial practices.
What filter should I use in my furnace?
High efficiency pleated filters are the best air filters you can use in your furnace. Their design uses electrostatically charged fibers to attract and hold dust, allergens and even tiny smoke particles.
How do I find a filter for my furnace?
To locate your filter, start at the air handler and trace the ductwork back towards the furnace until you find the filter. In particularly new furnace systems, the return air grill itself may be home to the filter, sealed at the edges completely to keep airflow contained.