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?
" Kill a Commie for Mommy! "
- Colonel David Hackworth (1930-2005), Korean War Vet
I use Iphone, most not bad. HVAC Buddy HVAC PT, room for improvemnet but, a good start.....