Precision Air Systems Inc

Easily calculates both Heat Loss and Heat Gain
Explains how to size Furnaces and Air Conditioners
Includes Duct Sizing and Hot-Water Baseboard sizing
Clear uncluttered screens for entering house information.
Simple, just follow the on screen numbered steps.
Help, right on screen, where and when you need it.
Think Ahead technology anticipates your next move, saves you precious time.
All construction data is presented on screen, in english, no code numbers, no searching, no scrolling.
Includes Manual-J Mobile Home load calculations
Error messages are clear but don't force you to change your preferred order of adding information.
Think Ahead technology automatically pre-selects the construction type, based on your past preferences.
See the entire structure of the house at a glance, easy to spot any missing components.
No unusual controls or methods to learn, uses standard Microsoft Windows 95 controls and interface.
Check the load of any individual item immediately.
View the Whole House load as you go, watch it grow as you add components.
Full color printed manual, written by a contractor for you, the busy contractor. Over 20 full size, color screen shots.
Automatically saves your work as you do it.
Each job is saved with a full name and address, date modified as well as an unlimited comment; no cryptic file names to try and remember