Listed below you will find a list of helpful design tools and resources:
Spiral Pricing Calculator
Fabric Duct Spec Selector
Ruskin Sun Control Design
Ruskin - ERV Design Tool
Ruskin LEADS
Ruskin - Revit Drawings
Plasma Air: PlasmaSoft - ASHRAE IAQ PROCEDURE CALCULATOR
Loren Cook - Design Tools
Titus Software - Product Selector