I have a 1400sqft home and need to know what ton I would need for AC. Also, my back room gets less air and is always hot. What could be or not be happenning?
Probably that it needs its own window AC or
fan ('cause you have dry heat). I still have a motor from an evap. cooler I got while I was a "guest" of the USAF in San Antonio in the 70s.
Turns out there was a scorpion living in the motor windings. . .
Its a very easy program for a home owner to use.
Plus, it lets you do what ifs.
What if you added insulation tothe attic, or installed new windows, etc. To see if you should make any other improvements decrease the size of equipment you need, and to lower your cooling and heating bill.
Its easy to make a mistake.
A home owner or pro could make a mistake.
but, you can look and review all the data you input into it. And double check how accurate you were.
Many times there will be a ½ ton difference between the load calc 2 pros/companies do.
Usually, the one that comes up with the smaller size is correct. And the one with the larger size, used a program that pads the size.
.......a favor & get a pro to run a load calc. on your house. no one here can do that properly sitting behind a computer . the ductwork , furnace , envelope , have all got to be evaluated so there are no surprizes at EXPENSIVE unit startups when it's too late. I know this is a diy site , but this part is definitely out of bounds for diy. Please err on the side of caution & get a pro as there are factors involved you may miss and then your family will be throwing darts at you when they're sweating all summer.....regards...............:yes: Jack
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