WillCalc

Fast, accurate Title 24 reports for residential construction

What is Title 24 Compliance?

Title 24 is California’s energy efficiency standard for residential and commercial buildings. It ensures homes are designed to reduce energy consumption, improve comfort, and meet state regulations.

Why Choose WillCalc?

With over 30 years of experience as a licensed building contractor and certifications as a Certified Energy Analyst (CEA) and California Certified ECC (HERS) Rater, WillCalc offers fast, accurate Title 24 compliance reports. We understand the unique needs of builders and designers, providing efficient documentation to help you get approved faster.

About Us


Doug Williams started WillCalc with a mission to assist in bringing clean, comfortable, energy efficient systems into the local environment, believing that each of us should make a contribution to a better world.

Qualifications:
• 30+ years as licensed building contractor
• Certified Energy Analyst (CEA) since 2007
• California Certified ECC (HERS) Rater since 2005

(760) 846-6480 — 
Residential architectural plans for Title 24 compliance in California

What We Do

We provide fast, accurate Title 24 compliance documentation for homeowners, builders, and designers throughout Southern California, including San Diego, Riverside County, and surrounding areas.

  • Prepare Title 24 reports for new construction and remodels
  • Complete reports quickly to help avoid plan check delays
  • Help builders and designers reduce costs and improve energy efficiency
  • Support flexible design options while meeting code requirements
  • Accept plans by email and return completed reports electronically
  • Offer local pick-up and delivery when needed

Services


Residential Title 24 Documentation

California Title 24 Documentation.

Your project is important to us.

We think like contractors.

Residential Title 24 Tax Incentive and Rebate Documentation

Title 24 documentation for tax rebates and incentives.

Title 24 documentation for N.S.H.P. rebates


Energy Design Consulting

Pricing

Title 24

12 cents per square foot of conditioned space

$250 minimum fee for smaller projects

For large homes and multi-family projects, please contact us for a quote.

Consulting

Our vast knowledge base can assist with the design of your energy efficient home. Please contact us for more information.

PAYMENT

We accept credit card or PayPal payments online.
Make checks payable to "WillCalc".

Tools

Helpful tools for California building, plan review, and energy compliance.

Climate Zone Finder

Look up California climate zones quickly by ZIP code or city.

Fast, simple lookup for Title 24 and energy compliance work. Find the correct climate zone for your project in seconds, without needing to reference complex maps or tables.

WillCalc Protractor

Measure plan orientation, angles, and roof pitch directly on screen.

Quickly measure angles, compass direction, and roof pitch from plans, satellite images, etc. Great for Title 24 and energy compliance work, as well as general construction and design.

T24 Designer Database

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.

CONTACT

Please give us a call or contact us by email, and we'll get back to you as soon as we can.