HVAC insufficient in summer

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  #31  
Old 03-27-2020, 08:44 AM
DALEPQ DALEPQ is offline
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Default HVAC Capacity

I have "throttled back" the AC vents that go into rooms that don't need to be totally cooled now. Like the second bed room that is not now used, also for bathrooms, walk-in-closet, etc. Seems to be working better for us to just cool the areas we use now. Maybe will re-adjust when colder temps arrive.
  #32  
Old 03-27-2020, 09:28 AM
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meridian5850 meridian5850 is offline
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Originally Posted by retiredguy123 View Post
All this information about sizing an AC unit is interesting. But, basically the AC units come in half ton sizes from about 1 to 5 tons. A ton of cooling capacity is 12,000 BTUs per hour. As a rule of thumb, a ton of capacity will cool about 600 SF of living space. So, if you have a villa that is about 1200 SF, you most likely have a 2 ton cooling unit. If your house is about 1800 SF, you probably have a 3 ton unit. You can check the capacity by copying down the model number on your outside unit and google it. Compare the cooling capacity of your unit to the square footage of your house.
Hmm. I just checked and ours is a 3.5 ton unit. Our A/C area is 2581 sq. ft., so 2581/600 = 4.3, so undersized technically. No cooling issues though.
  #33  
Old 03-27-2020, 01:35 PM
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WOW, are home is not that large, but when it hot and humid we close are windows and set the temp at 78 and with the fans we stay nice and comfortable.
  #34  
Old 03-27-2020, 08:31 PM
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Quote:
Originally Posted by retiredguy123 View Post
All this information about sizing an AC unit is interesting. But, basically the AC units come in half ton sizes from about 1 to 5 tons. A ton of cooling capacity is 12,000 BTUs per hour. As a rule of thumb, a ton of capacity will cool about 600 SF of living space. So, if you have a villa that is about 1200 SF, you most likely have a 2 ton cooling unit. If your house is about 1800 SF, you probably have a 3 ton unit. You can check the capacity by copying down the model number on your outside unit and google it. Compare the cooling capacity of your unit to the square footage of your house.
Yup. And a 1 ton air conditioner is the same as the cooling capability of 2,000 pounds of ice, cooling over 24 hours.

I just put in a 4 tonner, 2 stage, 17 SEER for our 2240 sf. CBS designer.
The old 3.5 tonner 14 SEER worked too hard.
I hope for smaller power bills soon.

BTW, R-22 is gone.

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  #35  
Old 03-28-2020, 03:43 PM
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I would call Chuck Farrell, 352-753-9497, and get a second opinion. I think I would also visit a neighbor's house with the same floorplan and compare inside temperatures.
I agree!! Chuck Farrell is the best. IMHO

Always honest, trustworthy and reasonable pricing too!!!
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  #36  
Old 03-29-2020, 09:20 AM
HimandMe HimandMe is offline
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I agree with the other poster who said check your home;s orientation and where the sun hits it. We put authorized film on our windows by a professional, insulated blinds where sun was the hottest and it made a major difference. We also added shade trees in appropriate locations.
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hvac, conditioning, high, mid, temperatures

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