Why Do Air Conditioners Freeze Up? Five Common Causes

why is my air conditioner freezing up
A nonworking air conditioner is never welcome during the hot summers, and AC units can Why Do Air Conditioners Freeze Upfreeze up for a number of different reasons. Some of the most common ones include frozen drain lines, oil ports that need maintenance and overworked condensers.

In each case, AC owners can check several different things and sometimes make simple repairs themselves, which avoids the high cost of a repair professional.

Some air conditioners have oil ports on the fan condensers, which can stall out and cause the unit to freeze up if not lubricated enough. Adding recommended amounts of lubricant to these parts at least once a year should avoid this common AC problem. The recommended oil is lightweight and free of detergents.

If possible, moving an outdoor air conditioner to a shaded area will lessen the work an average AC unit has to do during hot weather. When this kind of HVAC is able to pull in cooler air, it can also save a noticeable amount of money on monthly energy bills.

When the weather is 60 degrees F or cooler, the outdoor air condenser needs to be shut off. This step will allow the AC unit to work more efficiently and lower the frequency of repairs.

For even more efficient AC use, home owners are encouraged to replace their single pane windows with double pane ones. These types of windows will lower the amounts of air loss from an air conditioning unit. Adding these kinds of windows will also help a home retain heat during the winter.

Before purchasing an AC unit, buyers are advised to check the BTU calculations to determine how much energy each different unit needs. This rating is helpful in estimating monthly energy costs for various air conditioning units. Many manufacturers have online calculators to help with figuring out BTU ratings.

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