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Why and How to Change an AC Filter

Why change your AC filter?

The air filter’s job is to maintain mud and particles out of your HVAC gear. You’d be amazed how a lot builds up on there in a really quick time.

See more: How to change ac filter

Lately, AC filters have gotten a whole lot of consideration as a result of pandemic. With the uncertainty about airborne transmission of the virus, some consultants are recommending the usage of higher-efficiency filters to lure virus particles.

If that’s why you’re seeking to change your AC filter, learn this primary. And, study the best HVAC methods for COVID from our useful information:

guide to HVAC strategies for COVID

On this article, we’ll cowl extra explanation why air conditioner filter substitute is so vital, and deal with it safely.

When your AC filter will get clogged, mud and grime begin moving into the air conditioner itself, inflicting put on and tear on the components. You in all probability know what which means: the extra put on and tear on the components, the earlier they put on out and also you’re coping with a breakdown. The clogged filter additionally prevents sufficient air from flowing by way of the system to maintain it working correctly.

Watch this fast video to be taught what occurs once you don’t change the AC filter:

It’s useful to know when to vary your air conditioner filter. In keeping with ENERGY STAR, it’s best to verify and alter the AC filter each month throughout peak season. That’s in all probability extra typically than you need to name your trusty HVAC service man. We like to see you, in fact, however it is a job that you would be able to in all probability deal with by yourself should you select to take action. It’s useful if you know the way to vary the AC filter your self.

change an AC filter

Comply with these simple steps to vary the AC unit filter and preserve your system working reliably.

change the AC filter: LOCATE THE FILTER

AC air filter substitute is a fast and straightforward process. Earlier than you are able to do it, although, you must know the place the AC filter is situated. That may be the tough half, as a result of there are a number of locations it could possibly be.

In some methods, the filters are situated within the return air duct. That is the one which pulls air out of your area again into the air conditioner’s air handler system. When you’ve got a big system with a number of air handlers and return ducts, discovering the filters is usually a problem.

If each your heating and air-con methods share the identical ducts, it’s additionally doable that the air filter for each methods is situated in or close to the blower system for the furnace. If that’s the case, it’s often within the entrance of the furnace close to the underside. You could possibly see and entry the filter with out opening something, otherwise you may need to open a steel panel (marked FILTER) on the entrance or the highest of the blower. The panel could also be connected with hooks or screws.

Your greatest wager is to ask your HVAC service tech. Simply let him know that you simply need to learn to change the AC filter, and he’ll be capable to present you the place the filter is situated, take away the previous one and insert the brand new one, and get the suitable filters on your system.


The opposite probably tough half is ensuring you utilize the suitable filters. The filter dimension is often printed on the aspect of the filter. When doubtful, the best resolution is to ask your HVAC tech to get you a provide of the suitable filters, or present you the dimensions info on the filter so you may organize them your self.

Additionally, remember that you may want filters that do extra than simply preserve mud out of your air conditioner. If you wish to enhance air high quality in your area by eradicating pollen, mildew and different dangerous contaminants, you must put money into HEPA filters with a MERV ranking of 10 or larger.

IMPORTANT: Seek the advice of with an HVAC skilled earlier than buying larger effectivity filters on your system! In some circumstances, the decreased air movement can result in a decline in efficiency, and even restore points. Additionally, your system may not be capable to accommodate the dimensions of the filter.

Associated article: Alleviate Spring Allergic reactions: Air Filters and MERV Filter Scores.

change the AC filter: STEPS TO REPLACE

FIRST OF ALL: If there’s any probability coronavirus particles could be current inside your area, they might find yourself trapped in your AC filter. So when altering the filter, put on a masks and gloves.

1. TURN OFF THE POWER. That is vital for 2 causes. First, there’s your security. Don’t threat touching reside voltage! The second purpose is the protection of your gear. If the unit remains to be working whilst you’re eradicating the clogged filter, mud and particles can get sucked into the unit. It’s vital that you simply change off energy on the unit itself, and likewise on the circuit breaker.

2. Take away the previous filter. Merely slide it out of the slot that holds it in place.

3. Examine the situation. When you’ve taken out the AC filter, verify the situation. Does it look clogged with grime and dirt? When you maintain it as much as the sunshine, you in all probability can’t see a lot gentle coming by way of. This filter must be changed or cleaned, relying on the kind of filter you’re utilizing. Even when it’s been in use lower than the time really useful by the producer, substitute it anyway. Many components can influence how briskly your filters get clogged. When you’re in New York Metropolis, the smog alone can shorten the lifetime of an air filter.

4. Eliminate the previous filters safely. In case there could also be contaminants on the filter, place it inside a plastic bag and throw it away in a trash receptacle outdoors your area.

5. Clear the filter (or clear a reusable one). Are you utilizing disposable filters or reusable ones? A disposable filter sometimes has a cardboard body and a paper or fiber mesh floor. A everlasting, reusable filter is made from a extra sturdy materials with a steel body and a particular coating to make it washable. When you’re cleansing a reusable one, verify the producer’s directions for laundry. You’ll in all probability simply have to rinse with water and let dry utterly. Or in some circumstances, you may simply vacuum away the mud.

6. Insert the brand new or cleaned filter. Now you simply have to put it again in the suitable means. An arrow on the filter’s body exhibits you the path that air ought to movement by way of the filter, which is all the time away from the return air duct and towards the air handler mechanism. If you insert the filter again within the housing, ensure that arrow factors away from the return and towards the air handler.

See, wasn’t that simple? Now that you know the way to vary an AC filter, set a reminder for your self so that you keep in mind to do it each month. And, don’t overlook about your furnace if its filters are separate out of your air conditioner: Fall Furnace Upkeep: Change Your Air Filter.

Step up your HVAC upkeep

If, by any probability you don’t have a daily HVAC service tech to ask about change an AC filter, it’s possible that you simply’ve been neglecting different vital upkeep duties apart from altering AC filters. Common upkeep retains your gear in high working situation so the components last more and work extra effectively. Meaning the system makes use of much less electrical energy, wants fewer pricey repairs, and has an prolonged life span.

One of the best ways to get essentially the most out of your HVAC gear is to get a preventative upkeep settlement. It’s a comparatively small funding that pays off in decrease working prices and extra dependable consolation. Plus, you will get an settlement that’s custom-made to your particular wants, your gear, and your price range. When you’re within the NYC metro space, let’s speak.


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