Anybody use these on the droids etc.? I know there is a duct sizing app and a gas pipe app. There not free though......how they be?
Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery.
I use Iphone, most not bad. HVAC Buddy HVAC PT, room for improvemnet but, a good start.....
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