I know you don’t really WANT to tune up your air conditioner right now: The grass is finally just starting to turn green  Birds are chirping in the morning It’s barely warm enough to open your windows at home But...

Customer interview with a school purchasing manager.

When you step into a cool, air-conditioned room after being out in the sun all day, you sometimes wonder how people lived without it. Once you have air conditioning, it is hard to go imagine going back. It is important...