Blocking heat from windows

[DreadPirateRoberts]

Originally Posted by mousepod

I've been following this thread with heightened interest, because we turned our new central air unit on for the first time last week, and even at full blast running for 24 hours straight, the best it did was make the house "not hot".

Was the a/c blowing cold? It sounds like something is wrong, either the a/c isn't working properly, or the unit is undersized. It shouldn't take that long to bring the temp down.