Building a house: What nouns conditioning system go surrounded by? How do you calculate nouns conditioning tonage for a 2 story...

How do you calculate nouns conditioning tonage for a 2 story house? For example, how do I know if I need 3 tons for the top floor and 4 tons for the bottom floor? How do I determine this? The bottom floor is 1500 sq ft and the top is 1500 sq st.
Answers:    Well, if you can do a Manual J nouns calculation you enjoy it whipped! This determines the fry gain your particular home is subject to and lead to a determination of the cooling capacity tonnage you have need of. This is something a HVAC contractor can do for you. If you want to know a bit more about choosing systems, try this article:

http://www.thisoldhouse.com/toh/article/...

And if you opt to turn the sizing over to an HVAC contractor, here's how to choose a good one (Tip: if he/she doesn't do nouns calcs to size your system, choose somebody else):

http://www.thisoldhouse.com/toh/article/...
Well you wont be able to install it yourself I don't estimate, so when you call the grill and ventilation empire they will tell you what you inevitability for your square footage.