Refrigerant is a liquid in your AC that absorbs heat. Other reasons your AC isn’t cooling down your home include: Your refrigerant levels are low. If your AC is struggling to cool your house even in mild temperatures that fall within your design temperatures, your AC system might have an issue. Try closing all curtains or drapes to keep out heat instead this makes a big difference. But as long as you’re within a reasonable few degrees from your set temperature, there’s no reason to replace or repair the system. It’s definitely working harder than normal. The good news is that there’s most likely nothing “wrong” with your air conditioner. Instead, your thermostat will stay about 2-4 degrees over the set temperature. When outdoor temperatures exceed those numbers, your AC will struggle to reach the set temperature because it wasn’t designed to remove that much heat. Well an air conditioner is designed to be most efficient when operating within the city’s “design temperatures.”ĭesign temperatures were calculated by engineers at ASHRAE and are the outdoor temperatures that your geographical area stays above and below for 99% of the year.įor example, for 99% of the year Atlanta’s temperatures stay above 23 degrees and below 93 degrees. If you live in the Atlanta, GA or Birmingham, AL area and it’s hotter than 93 degrees outside, chances are your AC is just a bit out of its league. High outdoor temperatures slowing your AC down? Not particularly hot? We’ll go over 4 other issues that may be causing your AC to struggle.įirst, though, let’s take a look at why your AC struggles on hotter-than-normal days. Is it super hot outside? If so, this may be your issue.
If your home never reaches the desired temperature, we suggest first checking the outdoor temperature.
Without a professional inspection of your unit or house, it’s difficult to answer that question with 100% accuracy.īut for those of you skimming for a quick, generic answer: if your AC runs constantly without reaching your set temperature, something is wrong. How hot is your home when you turn on the AC?.How long it takes for your home to cool down depends on a multitude of factors:
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