$24.99
10 closed-loop bathroom fan tools — CFM calculators, duct planners, and install quotes. Answer questions, get a finished PDF.
A complete bathroom fan installation engine: CFM calculator, fan selector, duct planner, placement guide, humidity sensor guide, standard fan quote, humidity-sensing fan quote, fan/light combo quote, exterior vent guide, and invoice generator. Every tool is a closed-loop: structured questions, real formulas, a finished branded PDF. No AI. No subscriptions.
CFM Calculator
Fan Selector
Duct Planner
Placement Guide
Humidity Sensor Guide
Standard Fan Quote
Humidity-Sensing Fan Quote
Fan/Light Combo Quote
Exterior Vent Guide
Invoice Generator
Calculate CFM needed for bathroom
Select bathroom fan type
Plan duct routing to exterior
Guide for fan placement
Guide for humidity-sensing fans
Quote for standard bathroom fan
Quote for humidity-sensing fan
Quote for fan with light
Guide for exterior venting
Generate professional invoices
Every calculation, quote, and document a bathroom fan pro needs — from CFM to venting to invoices. Each one a finished branded PDF in seconds.