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Never! If it's low on refrigerant it has leaked.

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Q: How often should freon be replaced in a central air conditioner?
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Related questions

How long does freon last in a central air conditioner unit?

The refrigerant (freon) in any air conditioner should last the life of the unit. If not, you have a leak.


How much does freon for a central air conditioner cost?

I just had 2 pounds of Freon added to my central A/C and was charged $30 a pound.


How do you check freon on central ac?

how do you check freon on central ac and what should the guages read.


How do you check freon level in home central air conditioner?

Actually no technical skills needed to check the Freon level. Home central air conditioners have a Freon scale on it. One just need to read the scale and determine whether the level of Freon is sufficient.


Can you add freon to your central air conditioner your self?

i would not do it.. Epa requires to you have a license to purchase and use certain type of hfc and cfc freon


Central home air conditioner continues to lose freon and requires charging every 2 weeks or so. It has continued for 2 years. Why does a central home air conditioner continue to lose freon?

The answer should seem obvious... you have a leak. It could be anywhere in the system, which is unfortunate for you. You'll probably need a tech to come and do a leak test on your system.


How do you know when the air conditioner needs more freon is needs to be replaced?

when the air does not comes out cold in your ac will be a good time


Chrysler airtemp home central air conditioner 1273-00Q how many pounds of freon?

5.1 Lbs


How long should it take a technician to add one and a half pounds of freon to a central air conditioner?

It would take 30 min. average time to add this charge to the system.


How long should freon last in your 5000btu window air conditioner?

10 years


Why is Air conditioner running but not cooling?

There are quite a few reasons why an air conditioner could be running but not cooling. One should first check the Freon lines and ensure that there is an adequate amount of Freon available.


Where do you add freon to your air conditioner in your Ford Ranger?

Answering "Where do you add freon to your air conditioner in your ford ranger?"