The short answer is, no, they’re not all the same. In fact, there are many different types of air filters available and choosing the right one can make a real difference in the lifespan of your HVAC system. … All filters are rated using the MERV scale.
Is there really a difference in air filters?
No, HVAC air filters differ in quality and dimensions, and some have features that others don’t. In most instances we advise using the filter your HVAC manufacturer recommends pairing with your system. All filters are assigned MERV ratings, which go from 1–20. MERV stands for minimum efficiency reporting value.
How do I know which air filter to buy?
Simply, you need the filter size that fits in your air return. You can typically find that size on the side of the air filter that you already have in use. This size will be the nominal size, which means it is rounded from its actual size.
Can I use any air filter for my car?
Your Engine Air Filter is Designed for Your Vehicle
There is not a generic air filter that fits all cars. If you drive a Chevrolet Tahoe, you need to get the filter that matches your model and engine combination. When properly installed it only allows filtered air through to the engine.
Do 3 month air filters really work?
Some high rated air filters that are 2 to 5 inches thick have an operational life span of one year. Flat filters should be replaced every 3 months, or monthly if there are allergies, pets, or someone smokes. Of course, as filters fill up with dirt, their airflow will drop and blower performance will decline.
Do premium air filters make a difference?
Yes, in general, the more expensive air filters are more effective, but a single person with no pets and allergies might not need as much filtration as a family of five with three pets and a child with asthma. Also consider how long your air filter will last.
Is MERV 8 or 11 better?
A MERV 8 filter should pick up most animal dander, but if you have 2 or more pets you may need a MERV 11 to completely eliminate those harmful particles from your home’s air. … A MERV 11 filter would make their lives a lot more comfortable because it can pick up even smaller particles than a MERV 8 filter.
What size air filter do I need without a filter?
A) Refer to the label on the filter’s frame.
The easiest way to identify your AC filter size is to remove the existing filter from its slot and examine the frame of the filter. Usually, the filter size is printed along the edge of the filter’s frame.
Are thicker air filters better?
Most air filters are 1 inch thick, but some systems can accommodate filters 2 to 5 inches thick. In our tests, we found that the thicker the filter, the better it works and the longer the replacement intervals. That means it’s better for you and for your heating, ventilating, and air conditioning (HVAC) system.
What happens if I use the wrong air filter?
The biggest concern when you use the wrong size air filter is that it may not effectively prevent dust from building up on your HVAC system’s motors and blowers. This dirties up your furnace which could affect its performance or possibly harm the system’s internal components, leading to costly repairs or replacements.
What happens if I put the wrong air filter in my car?
When the air filter gets too dirty, it will get clogged and the engine won’t be able to suck up enough air to the combustion chamber. When this happens, the engine will use more gas and less air, which will result in poorer performance and a drop in fuel efficiency.
Does the car air filter brand matter?
Yes there is a difference, an after-market K&N Filter will improve power(not much but noticeable) and efficiency of your car at low speeds, but at higher speeds it will rob the efficiency quite a bit all due to increased air flow.
Does the brand of furnace filter matter?
As long as you purchase the same SIZE of filter, it doesn’t matter what BRAND you use.
What MERV rating do I need?
Using an air filter with a MERV rating of about 5 to 8 is appropriate for most residential homes. MERV 5 – MERV 8 filters provide good filtration and will remove most pollen, mold spores, and dust mites. … Generally, pleated filters have a higher MERV rating, while non-pleated filters have a lower one.
What happens if I don’t change the air filter in my refrigerator?
If you neglect your fridge air filter, it can get clogged up with particulates. Not only is this unhealthy, but it can also cause your electric bills to go up. When the air filter is impacted, the machine has to work harder to pull in and circulate air.