How Often Should You Change Your Air Conditioner Filter

There are some very important things that you should do to extend the life of your air conditioner and keep it working at peak efficiency at all times. One of the most important things that you can do is change your air conditioner or furnace filter every three to six months.

How Often Should You Change Your Air Conditioner Filter

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Dr. Jeffrey E. Terrell, director of the Michigan Sinus Center, demonstrates how to build an air purifier with a HEPA filter for about with parts from your local hardware store.

Build a do-it-yourself air bactericide for about

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How To Stop Your Air Conditioner From Freezing Up

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How To Stop Your Air Conditioner From Freezing Up

Build a do-it-yourself air bactericide for about

Tube. Duration : 3.67 Mins.

Build a do-it-yourself air bactericide for about

Dr. Jeffrey E. Terrell, director of the Michigan Sinus Center, demonstrates how to build an air purifier with a HEPA filter for about with parts from your local hardware store.

Build a do-it-yourself air bactericide for about

Build a do-it-yourself air bactericide for about

Build a do-it-yourself air bactericide for about

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My air conditioner is freezing up almost daily. I've tried resetting the temperature and nothing seems to work. What would you suggest I to to stop my air conditioner from freezing?

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How To Stop Your Air Conditioner From Freezing Up

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How To Stop Your Air Conditioner From Freezing Up

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There are several factors that could be the cause. The four main reasons for air conditioner freeze ups:

Refrigerant charge

Outdoor temperature

Insufficient air flow

Defective blower

You may have a low refrigerant charge which can cause the air conditioner to freeze up. The system needs to be charged correctly to enable it to work properly. You may have a leak in the refrigerant lines.

If the lines have been vibrating or rubbing other parts or objects the friction could cause a leak. In addition if there are loose fittings or weak solder joints it could be leaking from those areas. If you've determined the refrigerant lines are not leaking than it may just need to be recharged. If you don't know how to recharge it you may need to contact a service technician.

In temperatures under 60 degrees outdoor air conditioning units tend not to function as well. When the temperature drops the system begins to not function properly and freeze ups can occur. The simplest method is to not use your unit when the temperature cools down and open your windows or doors. If that's not a option you will probably need to have a ambient temperature control installed in your system.

The evaporator coils will become dirty over time. A dirty filter restricts the air flow making it lose air flow and eventually it becomes so slow that it freezes up, or at best, not cooling as well as it should. This results in dirty coils that will need to be cleaned. Depending on your air conditioner you may have to remove the coils to clean them. You should replace the AC filter yearly. For central air conditioning units another problem that occurs is when you have duct work that is undersized causing the unit to freeze up. If you feel that may be the problem you'll need to consult a professional. Try replacing the filter first and it may do the trick.
Air conditioner freeze ups can occur when the blower is not running at the required speed and may need to be replaced.

These are the main reasons why air conditioners freeze up. If you're lucky it may just be a dirty filter which you should be able to replace yourself.

How To Stop Your Air Conditioner From Freezing Up

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Every home is different and there are many factors that effect how long you should wait between filter changes. Wait too long and the efficiency of the equipment will deteriorate and operating costs go up. Change your filter too often and it's like throwing money away. Considering the cost of some filters that could add up to a lot of money over time.

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How Often Should You Change Your Air Conditioner Filter

It is important to keep in mind that the more efficient your air conditioner filter is the more often it will have to be cleaned or replaced. For most people pleated filters will do an adequate job. These filters are ten to sixty percent efficient and some manufacturers claim even higher efficiencies.

How Often Should You Change Your Air Conditioner Filter

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Pleated filters should be changed every three to six months. If you live in an area with lots of dust then you should probably change your filter about every three months.

If you require more efficient air filtration you may want an electrostatic, electronic or even a HEPA filter. The more efficient the filter is the more often it will have to be cleaned or replaced.

Electrostatic filters probably offer the best combination of value and efficiency. You will pay between two to six times what a good quality disposable filter would cost but you just wash them with water when they become dirty and reuse them.

Electronic filters will never become dirty enough to effect airflow. They just become inefficient and there ability to remove dust from the air deteriorates as they become dirty. To clean these filters you have to remove the electronic cells and soak them in some like HVAC cleaner and then rinse them and let them dry.

HEPA filters are the most efficient filters available and become plugged very quickly. They need to be checked monthly and often cause too much restriction to airflow to be used at all. An air conditioner contractor will be able to tell you if it is worth trying one of these in your system.

If you are using economy panel filters from your local hardware store and getting a pack of four for five or ten dollars, you are not doing yourself, your family or your air conditioning equipment any favours. When it comes to rating filters, these are at the bottom of the list.

These filters do such a poor job you could leave one in your air conditioner for a year and it would not collect enough dust to require changing. The unfortunate thing is the evaporator coil of your air conditioner would need to be cleaned every year to remove the dirt that should have been stopped by the filter.

How Often Should You Change Your Air Conditioner Filter

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