$24.99
10 closed-loop attic fan tools — sizing calculators, ventilation guides, and install quotes. Answer questions, get a finished PDF.
A complete attic fan installation engine: ventilation calculator, fan sizing guide, intake vent calculator, fan type selector, solar fan quote, electric fan quote, gable fan quote, thermostat guide, inspection checklist, and invoice generator. Every tool is a closed-loop: structured questions, real formulas, a finished branded PDF. No AI. No subscriptions.
Ventilation Calculator
Fan Sizing Guide
Intake Vent Calculator
Fan Type Selector
Solar Fan Quote
Electric Fan Quote
Gable Fan Quote
Thermostat Guide
Inspection Checklist
Invoice Generator
Calculate required attic ventilation
Guide for sizing attic fan
Calculate intake vent requirements
Select the right attic fan type
Quote for solar attic fan installation
Quote for electric attic fan installation
Quote for gable-mounted attic fan
Guide for attic fan thermostat settings
Checklist for attic fan installation
Generate professional invoices
Every calculation, quote, and document an attic fan pro needs — from ventilation sizing to solar quotes to invoices. Each one a finished branded PDF in seconds.