Why Do My Air Filters Get Black So Fast?

Is the black stuff in my AC mold?

Inspect the unit to determine the extent of the problem.

Grab a flashlight and inspect the inside of the unit for the signs of mold growth, which may appear as streaks or clusters of brown, black, or greenish stains, some of which may appear fuzzy.

Mildew, a common type of mold, produces powdery gray or white stains..

Why is there black soot on my walls?

Ghosting happens when mildly damp, warm and possibly sooty interior air condenses on the sections of walls and ceiling that are colder because they are that uninsulated section of the wood frame. The result: black sooty stains on your walls and ceilings that follow the patterns of the framing.

What is the black stuff coming out of my air conditioning vents?

Cause of Black Dust Surrounding Your Air Vents It is well-known that moisture is produced by air conditioners. … With this small amount of water is combined with particles of dust, it provides the ideal environment for mold infestation. Therefore, moisture and dust are what causes black dust surrounding your air vents.

How dirty should an air filter look?

Dirty Air Filter Performing a visual inspection is an easy way to know if your air filter needs to be changed. A brand new air filter is white or off-white in color, while a dirty air filter will appear darker with the dirt and debris visible.

Should you use cheap air filters?

Cheap fiberglass filters are designed to stop dust, debris and hair from gunking up the system. While they do little to filter out allergens and other irritants, using them keeps your HVAC system clean and efficient. … However, the trade-off to cleaner air is that system performance drops with these filters.

What is the best air filter for your home?

So here is my list of The 10 Best Furnace Filters.AIRx Health 1″ MERV 13 Furnace Filters. … Honeywell FC100A1037 Ultra Efficiency 4″ Furnace Filters. … Nordic Pure 4″ Furnace Filters. … FilterBuy 1″ Furnace Filters. … AIRx ALLERGY 1″ Furnace Filters. … Filtrete Micro Allergen 4″ Furnace Filters. … X6673 Lennox 4″ Furnace Filters. … Filtrete Clean Living 1″ Furnace Filters.More items…•

How long do air filters last?

60 daysFor basic 1″–3″ air filters, manufacturers typically tell you to replace them every 30–60 days. If you suffer from light to moderate allergies, you could install a better air filter or replace them even more regularly.

Why does my air filter get dirty so fast?

When your A/C is on the thermostat fan will constantly be running causing air too run over the air filter continuously and causing it to get dirty more quickly. … You may have a leak in your air ducts – Leaky air ducts can also cause your filter to clog up and especially if it is near your AC unit.

What causes an air filter to turn black?

If you’ve recently changed out your air filter and noticed it was black, you’re experiencing something called “black soot deposition. Essentially, black soot deposition is just an excess build-up of soot, which is typically the result of: A gas appliance or fireplace that isn’t burning fuel properly. Scented candles.

What happens if your air filter is too big?

Air Filter Problems with Poor Fit Check the size of your existing air filter before you purchase a replacement. If you purchase a filter that’s too large, it won’t slide into the slot correctly. If the filter is too small, it won’t cover the entire space and may allow dust and dirt to flow past.

Is black mold in AC dangerous?

Exposure to black mold has been tied to tons of health problems, from depression to eye infections to lung bleeding. … However, mold located in air conditioning units spreads spores out into the air throughout the house, which makes it especially dangerous and especially likely to cause sickness.

How often should you change air filters in your home?

every 90 daysAs a general rule, you’ll want to replace pleated air filters and furnace filters in your home every 90 days. The longer the filter is in place, the more dirt, dust and allergens are trapped clogging the filter and decreasing their efficiency.

Is a 2 inch filter better than a 1 inch?

When it comes to a 1 inch vs 2 inch furnace filter you could use a 2 inch filter if your vent is deep enough and a 2 inch filter will generally last longer since it has more media.

Do HEPA filters restrict airflow?

High-efficiency particulate arrestance (HEPA) filters: These are the true high end of filtration and are able to filter out 0.3 micron particles. HEPA filters drastically restrict airflow and should only be matched to a compatible system.

What are the signs of a bad air filter?

Common Signs of a Dirty Air FilterReduced fuel economy. … Misfiring engine. … Unusual engine sounds. … Check Engine Light comes on. … Air filter appears dirty. … Reduced horsepower. … Black sooty smoke or flames exiting the exhaust. … Smell of gasoline when starting the car.

What happens if air filter is dirty?

A bad or dirty air filter restricts air flow, lowering the oxygen in the mixture. Your engine compensates for this by consuming more fuel to produce enough power to move the same distance or speed as you could with a clean filter.

Why is my HEPA filter black?

Soot is typically caused one of two ways: candles or gas water heaters. Black soot is a byproduct of burning candles. For the most part, burning candles is harmless, but the buildup of excess candle soot can make your air filter less efficient overall. … Gas water heaters can also produce black soot.

Is no air filter better than a dirty one?

Without a filter there to trap air pollutants, your home’s air quality will deteriorate. That’s because the same air contaminants will just circulate through your home. But what’s worse is that you’re likely bringing even more pollutants into your home on a daily basis.

What does black mold look like in air conditioner?

One of the first signs that black mold is growing in your air vents is a distinct musty, mildew-like smell in specific rooms or even throughout your entire home. You may also be able to see the presence of mold around drip pans, air ducts, and within intake vents.

Is it OK to cut air filters?

Bending or cutting the filter also decreases its structural integrity. The whole filter can collapse while installed, creating not just a performance issue and a potentially costly repair, but also possibly creating unsafe conditions.

How do I know if my air filter is bad?

5 Signs That You Need to Change Your Car Air FilterAir Filter Looks Dirty. A new air filter will be white or an off-white color. … Check Engine Light Turns On. The Check Engine Light can come on for many different reasons, and sometimes it is due to the air filter. … Lower Horsepower. … Black, Sooty Smoke Leaving the Exhaust Pipe. … Smell of Gas When the Engine Starts.