Helpful tools for Title 24, EnergyPro users, and California energy compliance work
Look up California Title 24 climate zones by city or ZIP code.
Enter a California city name or ZIP code to find the applicable climate zone. You can also view nearby ZIP codes in the same climate zone.
Merge multiple PDF files into one document.
Drop PDF files into the tool, arrange them in the order you need, and save a single merged PDF directly from your browser.
Measure plan orientation, angles, and roof pitch directly on screen.
A Windows on-screen protractor for working with plans, PDFs, screenshots, and images. Useful for estimating building orientation and roof pitch.
Save designer contact information for use in EnergyPro.
A free Windows utility for EnergyPro users. Create, duplicate, search, and reuse designer contact records, then transfer the information into the Designer, Lighting, or Mechanical tabs.
WillCalc continues to create small, practical tools for residential energy compliance, plan review, and related workflows. Check back for additional utilities as they become available.