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4 Considerations to Remember about Air Filters
November 20, 2020

Forced-air heating and cooling is the most common way Canadian houses and businesses stay comfortable and operational. The air filter element is a vital component of any HVAC system. Unfortunately, there are plenty of misconceptions about air filters that you may or may not have heard of and even believe in.
 

Here are some facts you should bear in mind when it comes to filters:

 

Air filters have to be cleaned regularly to stay effective

It’s very common for a neglected air filter element to be left unchecked for a long time, for over a year or even more. At this time, the filter has already collected a hefty amount of airborne contaminants that it has become completely clogged. This restrains airflow, places huge stress on the equipment, and most likely increases your energy bills. You can end all this by checking the filter regularly and cleaning or replacing it per instruction or as necessary. 

 

Not all filter elements are made equal

Every filter element is designed with a specific purpose in mind. Some are made to trap bigger particles that can damage the equipment while others are so efficient that they are able to impede airflow. Make sure to always check your filters against the MERV scale to figure out what rating the filter has and whether it is right for your applications.

 

High-efficiency filters may need modifications

If you prefer to install a high-efficiency filter, you have to call the contractor to modify the fan output to match the restricted airflow. For example, a MERV 8 filter would require this modification if the furnace to be installed comes with a MERV 4 or lower filter rating. 

 

Filters trap particles, not smells. 

The common misconception about an air filter element is that it can also help trap odours. However, it’s only true in certain situations. If odours are a problem in your home or facility, opt for a portable air cleaner that contains a carbon filter to soak up odours and freshen up the room or space.

 

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