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Outside air temperature vs. A/C output temperature?
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I live in New Hampshire. My space is 1,200 sqft. I have a 3 ton central A/C unit. The air handler is inside and the compressor is on the roof. Can you tell me how, if at all, outside air temperature will affect the air temperature coming out of the A/C unit?
I always thought that if the unit was well maintained and in good working order that it would produce an air out flow of about 55° F no matter what the temperature was outside.
I was told by two friends that when the outside air temperature raises so will the output temperature of the unit due to the hotter air flowing through the compressor.
So in other words if the outside air temperature was say 75° F and 30% humidity the unit would produce the desired 55° F output temperature. But if it were 98° F with 90% humidity it would only produce around 60° F to 66° F output temperature.
Is this true?
Do you know if they make a chart, flow chart or some type of calculating temperature chart for what I am asking? If so can I find it on the web and where would I look?
Thanks for any help,
- John
I always thought that if the unit was well maintained and in good working order that it would produce an air out flow of about 55° F no matter what the temperature was outside.
I was told by two friends that when the outside air temperature raises so will the output temperature of the unit due to the hotter air flowing through the compressor.
So in other words if the outside air temperature was say 75° F and 30% humidity the unit would produce the desired 55° F output temperature. But if it were 98° F with 90% humidity it would only produce around 60° F to 66° F output temperature.
Is this true?
Do you know if they make a chart, flow chart or some type of calculating temperature chart for what I am asking? If so can I find it on the web and where would I look?
Thanks for any help,
- John
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Yes it is true. Here's how it works. You can see if the outside temp was warmer it wouldn't work as well.
Air conditioners and refrigerators work the same way. Instead of cooling just the small, insulated space inside of a refrigerator, an air conditioner cools a room, a whole house, or an entire business.
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Air conditioners and refrigerators work the same way. Instead of cooling just the small, insulated space inside of a refrigerator, an air conditioner cools a room, a whole house, or an entire business.
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