How do I change my AC filter?

Where is my air conditioner filter located?

The air filter is typically located at the point where the return duct enters the air handler. Larger houses often have more than one HVAC system. Each system will typically have at least one air filter. Therefore, your home may have air filters located at the air handler AND in the returns.

Do I need to turn off AC to change filter?

To Change Your Home Air Filter, You’ll Need To Turn Off Your Furnace. To prevent the HVAC unit from turning on while you are changing the filter, make sure you turn the thermostat to the “off” position. This will help protect your HVAC system from loose debris or maybe a loose filter fitting escaping into the duct.

How often should you replace air filter in air conditioner?

It is a general recommendation that you should change your air filter in your home every 30 days when using less expensive fiberglass filters. High-end pleated filters can last as long as 6 months, but these typical guidelines assume average use and don’t take into account the size and type of filter.

What happens if AC filter is dirty?

The Air Conditioning Unit is Too Hot

If the filter is very dirty, you may even feel warm air coming out of the back of the unit. A clogged filter forces the air conditioner to work harder to keep the house cool. This will lead to more frequent AC repairs and, ultimately, shorten the lifespan of the unit.

What happens if you use AC without filter?

Without a filter, the condensation drain will fail to drain the moisture from your AC unit. This will result in condensation accumulation on the Freon tubing. The condensation will then start dripping down the pan, causing water damage to the whole system.

Why does my AC 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.

How do you clean an air conditioner filter?

Wash the Filter

For a deeper cleaning, fill a sink with one part water and one part white vinegar, and then allow your HVAC filter to soak in the solution for one hour. Rinse it off with fresh water and let it fully dry before returning it to your AC unit.

Why does my HVAC have 2 filters?

Scenario 1: Your HVAC system has multiple return ducts.

This is the most common reason why your central air system has two air filters. … Having multiple return vents solves this problem, but it also requires air filters at each vent to properly filter the air and prevent particulates from getting into your fan motor.

Why is AC filter 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.

How dirty should an air filter look?

1) Your Air Filter Looks Dirty

If your air filter is clean, it should be white or off-white. Over time, as dust and dirt accumulate on it, the air filter will get darker and the dirt will be noticeable. When it starts looking dark and grimy, you might be due for a replacement.

Why does the house get so dusty?

Dust accumulation in your home is a product of airflow, either because too much dirty, dust-filled air is floating around your home or because not enough air is spreading through the home, allowing dust to settle.

Can a black air filter make you sick?

You get air filter black mold. As soon as you notice air filter black mold, dispose of the filters! Mold can make you and your family very ill. Symptoms of sickness from mold can include a sore throat, stuffy nose, coughing, wheezing and eye irritation.

How do I know if my air filter is bad?

8 Signs Your Air Filter Needs Replacing
  1. Reduced Fuel Economy. …
  2. Misfiring Engine. …
  3. Unusual Engine Sounds. …
  4. Check Engine Light Comes On. …
  5. Air Filter Appears Dirty. …
  6. Reduced Horsepower. …
  7. Black, Sooty Smoke or Flames Exiting the Exhaust. …
  8. Smell of Gasoline when Starting the Car.

Do candles make air filters black?

If you regularly burn candles in your home, there’s a good chance this is the main reason your air filter is black, especially if you burn scented candles. You see, scented candles incorporate a lot of unsaturated oils that don’t burn “clean”.

Can AC filter cause coughing?

Have you ever wondered if you can get a cough or cold from the air conditioning? You’re not alone, and the answer is yes. If you feel like you have the flu and you cough and experience shortness of breath a few hours after you turn your AC on, your unit may be the culprit.

Why does air conditioning bother my lungs?

Respiratory diseases

The cold is one of the factors that trigger typical asthma symptoms such as coughing, wheezing, and shortness of breath. Additionally, prolonged exposure to air-conditioning can contribute to worsening asthma and to the development of lung infections resulting from this condition.

Why is my AC filter yellow?

Colorfil’s color change is an indicator of indoor air quality and of when your filter has reached its chemical and odor absorption capacity. We recommend you replace your filter either when it has turned yellow, or when it has filled up with dust—whichever comes first for you.

Is it OK to sleep in AC during cold?

Many people like sleeping in a cool room, but don’t make it so cold that you wake up shivering in the middle of the night. When you’re feeling sick, you might want to consider raising the temperature a little, rather than letting the thermostat drop. Just don’t forget to change it back when you’re feeling better.

Is it better to have a dirty air filter or no air filter?

Freezing Up: A good, clean air filter allows air to flow freely out of your unit. A dirty air filter restricts the flow of cold air, causing it to build up inside the air conditioner and lower the internal temperature. Given enough time, that buildup of cold air can eventually cause ice to form on the coils.

Can you get sick from a dirty AC filter?

If the filter’s dirty, everything past the filter is dirty too, including the air you breathe. This pumps your home full of dust and allergens. Speaking of allergens, they can cause a number of physical symptoms like headaches, fatigue, tightness in your chest, and a mess of cold symptoms you may not be able to shake.

Is it better to sleep with aircon or fan?

While sleeping with the AC on is definitely more comfortable, it can also remove some of the moisture from the air. In turn, this can make it slightly harder for you to breathe throughout the night, leaving you stuffy or sore in the morning.

Why do I cough when the air conditioner is on?

Summer air is naturally more humid than winter air – but that difference goes away when you constantly run the A/C. Air conditioners have a drying effect on your indoor air, which can create respiratory distress (including coughs).

What is the best temperature for AC?

According to the Department of Energy1, 78° Fahrenheit is the sweet spot for air conditioners to balance energy savings and comfort when people are at home and need cooling.