Sorry, this site requires JavaScript.
Filters4Air News

Too Hot to Handle.

Too Hot to Handle.

 Summer heat can be brutal – especially in an urban environment.

All that concrete, cars and buildings.


Hooray for air-conditioning.

Yes, but don’t forget what really keeps your air clean is the air-conditioning filter – and filters take a beating all-year round, but the summer is particularly, well, brutal.

Dust, dander, dried grasses, smoke, pollen, allergens – take your pick – they are all “out there” trying to get inside your house.

You know – get through your air-conditioning system that is running CONSTANTLY 24-7 without a break.

You can get a bunch of ice and lay around like our friend above – or you can keep your air filters fresh.

Replace your air filters every 30 days – it’s just that simple.

Stay calm and breath clean air.




 That is a great question – and I hope to give you some great answers.

(1) We will ship fresh, new, filters (manufactured in San Antonio, Texas) direct to your doorstep. Simply take them out of the package and install – and we even offer installation service if you need help !

(2) You peace of mind is assured because we make sure the filters are made to the highest manufacturing standards and meet or exceed the needs of all our residential customers !

(3) Let’s be honest – no matter where you live there are air quality issues. Pet dander, construction debris, car exhausts, allergens, pollen, smoke and just the regular dirt and dust from everyday living can take a toll on an air filters ability to do its job – and that job is making sure you breathe clean air. A subscription with Filters4Air means you KNOW when it’s time to change your filter when the filter shows up on your doorstep!

(4) We’ve been making filters in San Antonio since 1995 in our family-owned business, and we care about our products and the people who use them.

Last – but certainly not least – if you go to our website and signup for monthly delivery – we’ll offer you a discount. Use the promo code SUMMER and we’ll reduce the price of your filters by 10% for the first six months.

Clean air — don't take our word for it.

Clean air — don't take our word for it.

One of the things we do here on the Filters4Air blog is constantly harp to our readers about changing their filters on a regular basis.

Many folks think — "Of course Filters4Air wants the Customer to change their filter so Filters4Air can sell more filters!"

Yes, true, but we aren't the only folks who think changing filters on a regular basis is one of the very important things you can do to keep your indoor air as healthy as possible.

The EPA (Environmental Protection Agency) states that the air quality within homes can be more polluted than the outdoor air even in the largest and most industrialized cities. But there are things you can do to seriously improve your indoor air quality and make your home a healthier place.

One of the things the EPA says you should do is →

Clean or change all the filters in your house regularly, particularly those for your heater or furnace, air conditioner, air purifier, and vacuum. Follow the manufacturer’s instructions and stay up to date.

How about another government agency — the Consumer Product Safety Commission. They say →

"Blocked, leaking, or damaged chimneys or flues release harmful combustion gases and particles and even fatal concentrations of carbon monoxide. Strictly follow all service and maintenance procedures recommended by the manufacturer, including those that tell you how frequently to change the filter. If manufacturer's instructions are not readily available, change filters once every month or two during periods of use. Proper maintenance is important even for new furnaces because they can also corrode and leak combustion gases, including carbon monoxide."

Harvard University has some information →

Change your filters. If you have a forced-air heating system, be certain to change the filters regularly, says Dr. BuSaba. Electrostatic filters can help ensure that dust and other airborne irritants get trapped instead of being recirculated throughout your home.

This is from the American Industrial Hygiene Association​ →

Use higher efficiency furnace or air conditioner air filters and change filters frequently

So, you don’t have to listen to us here at F4A constantly telling you to change your air filters regularly – you can check out the above sources saying the same thing...

One last visit to the EPA ( →

How to Prevent Duct Contamination

Whether or not you decide to have the air ducts in your home cleaned, committing to a good preventive maintenance program is essential to minimize duct contamination.

To prevent dirt from entering the system:

✔ Use the highest efficiency air filter recommended by the manufacturer of your heating and cooling system.

✔ Change filters regularly.

✔ If your filters become clogged, change them more frequently.

✔ Be sure you do not have any missing filters and that air cannot bypass filters through gaps around the filter holder.

✔ When having your heating and cooling system maintained or checked for other reasons, be sure to ask the service provider to clean cooling coils and drain pans.

✔ During construction or renovation work that produces dust in your home, seal off supply and return registers and do not operate the heating and cooling system until after cleaning up the dust.

✔ Remove dust and vacuum your home regularly. (Use a high efficiency vacuum (HEPA) cleaner or the highest efficiency filter bags your vacuum cleaner can take. Vacuuming can increase the amount of dust in the air during and after vacuuming as well as in your ducts).

✔ If your heating system includes in-duct humidification equipment, be sure to operate and maintain the humidifier strictly as recommended by the manufacturer.

We all love clean air.

Now go buy a filter from us !!!

Spring Forward But Don’t Fall Back (Into Bad Filter Habits)

Spring Forward But Don’t Fall Back (Into Bad Filter Habits)

 In our last entry it was almost winter and I tried to spell out the reasons why you should continue to change your air filters.

As in, “Hey, you have air running through your HVAC system all the time. Cold air, hot air, lukewarm air doesn’t matter – that air is still full of dirt, pollen dust, dander and, well, you get the picture.”

Now it’s almost spring, or what the over-educated call the vernal equinox. Whatever. Folks might be thinking, “Hey, I don’t have to worry about my air filters until summer when I really start running my air conditioning.”

Look, don’t make me draw a picture. I mean, really, don’t – I can’t draw worth a Hoover (that’s a dam, BTW).

You should not be waiting until summer to start regular (i.e., monthly) changes of your air filters. If you think that way, all I can say is “Au contraire mon frere.” That’s French – I looked it up. Basically means, “My friend, you are full of hooey.”

Okay, fine, you’re not full of hooey or anything, but the simple truth is your home’s air filters take a beating in the winter.

And the spring.

I put it in bold which is better than screaming ALL CAPS...

Spring is weird in many places. Sometimes hot enough to run HVAC with cold air and sometimes cold enough you need the heat.

Sometimes the outside temperature is perfect and your HVAC system just suits there quietly doing nothing – which allows the dust and dirt already in your air filters to settle and congeal and make a more permanent sticky home.


Oh, and spring air is worse than winter air.

Think pollen (cedar, oak, elm and on and on), mold, dry grasses, dead and dried leaf dust blowing around in the spring winds, plus all the new green growing things putting new green growing things in the air around your home or office and that get sucked into your HVAC system and (if not properly filtered) end up in your lungs.


The same reason you start wheezing and sneezing in spring is the same reason you should be changing your air filters every 30 days.

You can’t put a price tag on health.

That is so cheesy, I apologize, but just trying to make a point that clean air is good.

Spring is here and summer is still faraway. Great – but you still need to be buying and changing your air filters, damn it.

Sorry. Keep it clean, okay?

Do I need to change filters in the winter?

Do I need to change filters in the winter?


It’s winter and if someone mentions air filters in a polite conversation most of us would be thinking, “Hey, it’s winter and I don’t have to worry about replacing my air-conditioning filters until summer.”

The truth is your home’s air filters take a beating in the winter. Some times worse than summer.

That’s because running your heater is running just like your air-conditioner in summer – and your air filter is working hard to keep the air you breath clean.

And winter air is NOT clean.

Think pollen, cedar, mold, dry grasses, dead and dried leaf dust plus the dust and dirt from the cold winter dirt. Kind of like that line from the movie Groundhog Day – “It's gonna be cold, it’s gonna be grey, and it's gonna last you for the rest of your life.”

Truthfully, it’ll only last until you change that filthy air filter!

Don’t trust me? I have a science experiment for you.

You know what our weather is like around here. 45 degrees one day, and you’re running the heater. Then 77 degrees, and you’re running the air-conditioning. Do this first — make sure you have a clean and new filter on hand. Then, after a month of running your system, pull that nasty filter out and compare the two.

Imagine you and your family are breathing the air coming out of that dirty filter. Yeah, not healthy. {insert harsh cough}

So, winter is here. Big deal – you still need to be buying air filters!


How often should I change my air filters?

How often should I change my air filters?

The BIG question — How often should I change my air filters?

This is one of the most frequent questions we get here at

I will give you a straight answer and a straight explanation.

You should change your air filters every 30 days. Period. End. Of. Story.

Here's why:

Let’s talk HVAC, which you probably already know is Heating, Ventilation, and Air Conditioning.

A central HVAC unit does not pull air in from the outside – it uses the air inside your house and either cools it down in summer or heats it up in winter. If it cools it down, hot air is vented to the outside world; if it heats your house up, it vents cold air to the outside. If your house was absolutely spotless and clean, you’d never need an air filter for your central HVAC unit.

Trust me, not a single healthy human being lives in an absolutely spotless and clean house.

Dust, dirt, pollen, dead bugs, hair, miscellaneous odors (many from questionable sources), smoke, chemical particles, dandruff, skin particles and a whole nasty horde of things float around your home no matter whether it is cold or hot outside. Add in pet dander and debris if you have pets.

Plus (because we all venture outside every day) we drag all of the above into the house on our clothes, hair, shoes and skin.

Each. And. Every. Day.


Plus, think about this —pollen and allergy season is not really seasonal in many locations — it lasts all year round if you live in Texas.

Texas is a great place to live, but everything has a downside. Texans get to deal with airborne allergens. Hey, it can't always be strawberries and cream.

Texans must endure nasty cedar pollen in the winter, plus an occasional and pesky high mold count. There is oak pollen in the Spring as the worst offender, but it gets serious help from elm, pecan, cottonwood and other culprits (grass among the many villains). Plus, due to moisture and heat, Texans get to live with mildew and its old pal mold. (SIGH). Ragweed arrives in late summer and early fall, aided and abetted by every sort of grass (yeah, more grass), plus every flowering plant that wants to survive by making pollen (BTW, that's almost all of them). Add in the harsh fact that Texans run the air-conditioning 24/7 in the late Spring thru Summer and into early fall. Why? Because it is blankety-blank hot in Texas! However, as all Texans can attest, it can also get surprisingly cold in the fall and winter, so you run the heat. Basically, the central heating (HVAC) system rarely gets a day off duty. Keep in mind that the dirty air inside your home that is processed by your cooling in the summer is also dirty air processed by your heating in the winter.

Solution – change your filter frequently and stop breathing that nasty, filthy, dirty air.

Nuff said.

The nose knows

The nose knows

Air filters can do more than keep the air inside fresh. Besides eliminating (or significantly reducing) airborne allergens like mold, dust, and pet dander, good-quality carbon/charcoal filters can actually remove odors from the air. 

If you've flooded and are rebuilding, or if you're just overwhelmed by odors - think dirty laundry, cooking "aromas," pet odors, mildewy stink - charcoal really makes a difference. Its porous surface absorbs all of those smells. Instead of covering odors up with sprays and other scents, charcoal actually gets rid of them.

Recently we shipped several boxes of charcoal filters to a very good restaurant in Houston that happens to live right under some very lovely apartments. Needless to say, while residents liked the idea of going downstairs for a great steak, they didn't want their home to smell like day-old dinner come morning. Charcoal to the rescue. 

Charcoal filters work the same way as standard air filters, only they're black. Pop them in where you'd normally replace your filters when you're ready to clear the air of smelliness.

Ready to really clear the air? Call us at 844-753-2833 to place your custom order.

Breathe easy

Breathe easy

Today's forecast for south and southeast Texas calls for two things: hot and humid. And because of those high, high temps and wet-feeling air, weather experts have dubbed our "Breathing Comfort" levels as Fair to Poor.

Take a look at the map. See the green all over the country, and the yellow at the bottom tip of Texas? Yes, that's us. Breathing in a lot of funk.

What exactly does that mean? Well, very basically, today (and the rest of our summer) feels like the opposite of a crisp fall day, when you feel energized and clear-headed. So, besides taking a good old-fashioned south Texas siesta, what can we do to combat that hazy summer heat fog and tap into our best go-get-em mindsets, even amidst (literally) stifling heat?

Of course we need to drink lots of water, include fruits and veggies in our diets (they're hydrating), and wear light-colored, loose clothes. We also need to stay inside, in the AC, a lot of the time. 

But with that, we need to be sure that the air inside our homes and offices IS crisp and clean. And in doing so, the right air filters, changed often, are everything. 

Now is the time to change your air filters at least monthly. So at least the air you breathe inside will be GOOD quality, so that at least at home, everyone's "Breathing Comfort" levels will be Excellent.

Let deliver "Excellent" quality air to your home. So that you and your family can breathe comfortably. Even when that's not the case outside.

Clean air delivered.


Are we hot yet?

by the staff @ Filters4Air

Are we hot yet?

With temps pushing 100, there's no doubt summer has arrived.

So for the next few months, we all need to either fly north or hunker down and come up with some stay-cool strategies. Here, a little expert advice from on how to stay cool as a cucumber at home.

  • Keep east- and west-facing blinds, shutters, or other window treatments closed during the day. You'll reduce up to 30% of the heat that windows let in (and then trap in your home). 
  • Stay away from the oven (moms, you can cheer now). Choose to grill dinners (or use the stove or microwave). Think of summer dinner as the new backyard happy hour!
  • Just like changing air filters is important, cleaning out the vent in your dryer is huge. Clean dryer vent = faster cycle = less heat at home.
  • Designers, close your ears...use celing fans to circulate air!
  • Think about scheduling a home energy audit and having a professional give you customized tips on where you can be more efficient at home. offers details here:

And, of course, let keep changing your air filters every month to ensure that your AC runs as efficiently as possible. 

So that you can stay as cool as possible. Like a cucumber.

Because summer.

Because summer.

Yea for summer finally arriving! We're so looking forward to longer days, slower schedules, and shorter to-do lists.

One thing we know we can't take off our list...changing air filters. Don't laugh. Here's the thing: we all want to stay cool during the heat of a Texas summer. Besides spending too much time in the pool or flying to Colorado, how do we do that? By going inside! Most often, by enjoying the cool of our homes. 

But if we ignore our air filters during the summer, we're in for a hotter time than we've bargained for. ESPECIALLY in the summer, it's more important than ever to change air filters. Here's why:

  • Changing air filters monthly during the summer can cut your electricity bills by 5 to 15%. That's real savings when the thermostat outside reaches the 90s - or 100s. On an air filter, even a thin layer of dust, pet hair, or other airborne debris obstructs the air flowing through your home, making it harder for your AC to pump in cool, clean air. Changing your filters often makes it easy for your AC to perform, saving electricity, and saving you money.
  • Along those same lines, keeping dirt out of your AC system will extend the life of your AC - and all of its componenets while they're working hard to keep your home cool this summer. The fan motor, compressor, evaporator - all of those big components that we really don't want to have to replace will run more easily because of clean, quality air filters changed regularly. Thereby extending the life of the AC as a whole.
  • Most importantly, we want the air in your home to be clean for you and your family. Filters4Air air filters remove the tiniest blips of pollen, mold spores, pet dander, even bugs - all of which are not only bad for your AC, but they're bad for you! Filters4Air filters will keep your home clean and the air crisp even during the hottest months this summer.

Let clean your air and shorten your to-do list by delivering air filters to your doorstep this summer. All you have to do is open the box. No remembering, no scouting the right sizes.

Easy, like summer.

Clean air delivered.

Page 1 of 2 Next