"Hi my name is Steve.
If the manual J suggested a 3 ton I would look at a 3 ton two-stage. The two stage units are usually a 1/2 ton larger in size. When I size my units, I try to shoot for a balance point of 5 to 10 degrees outside temperatures…"
TED Talks Simon Sinek has a simple but powerful model for inspirational leadership all starting with a golden circle and the question "Why?" His examples include Apple, Martin Luther King, and the Wright brothers ...
(Filmed at TEDxPugetSound.)