2026 Name Change! HERS testing is now ECC Testing (Energy Code Compliance)!

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Making homes more energy efficient since 2015

Energy Testing, Audits, and consulting!

Welcome to CalRATERS Energy Solutions, your trusted partner in home energy testing, audits, and consulting. Our experienced team ensures energy efficiency improvements for your home, backed by fast scheduling and quick turnaround times. Let us help you save on energy costs today!

Schedule Your Project!

Our Home Energy Services

ECC TESTING (previously HERS)

ECC testing verifies that a home’s HVAC, ductwork, ventilation, and insulation were installed correctly and meet California’s Title 24 energy code — and homeowners choose CalRATERS because we deliver fast, accurate testing, clear documentation, and dependable support that makes passing inspection simple. 

ECC Testing

New Construction Title 24 & NRCV

Title 24 ECC testing verifies that your home’s HVAC, ductwork, ventilation, and insulation meet California’s strict energy‑code standards — and homeowners choose CalRATERS because we deliver fast scheduling, precise testing, and clear, inspection‑ready documentation that makes compliance  and final inspections effortless. 

Title 24 project

Home Energy Audits

A home energy audit evaluates how your home uses and loses energy so you can improve comfort and reduce utility costs — and homeowners choose CalRATERS because we deliver thorough diagnostics, clear guidance, and trustworthy expertise that makes upgrading your home simple and stress‑free. 

Energy Audit

Discuss your project with us today!

We are here to help!

Why Homeowners & Contractors Trust CalRATERS Energy Solution

Our Experience

Our Experience

Our Experience

With more than 15 years in the home services industry, CalRATERS is a team you can trust. We’ve helped thousands of homeowners and contractors navigate energy compliance and home performance challenges, and we know how to get the job done right, no matter what comes up.

Our Services

Our Experience

Our Experience

We focus on the two most important energy services in California:  Energy Code Compliance (ECC) testing to help you meet California’s energy code requirements, and comprehensive home energy audits to show you exactly where your home can be safer, more comfortable, and more efficient. 

Our Commitment

Our Experience

Our Commitment

At CalRATERS Energy Solutions, we’re committed to delivering exceptional service on every project. We treat every home with the same care and respect we’d want for our own, and we always go the extra mile to make sure you feel informed, supported, and confident in the results.

BAY AREA'S GO TO ENERGY PARTNER

CalRATERS Energy Solutions is the Bay Area’s go‑to partner for energy compliance and home performance built for both busy contractors and homeowners who want a better performing home.


With a highly certified team and a reputation for honest, caring service, CalRATERS makes energy savings and compliance simple, transparent, and results‑driven.

Learn more

Energy Code Compliance (ECC/HERS)

Fast, Accurate ECC Testing

Our certified team delivers reliable Energy Code Compliance (ECC) testing with precise diagnostics that meet California’s latest standards. You get clear results, actionable insights, and documentation you can trust.

ECC CertS Delivered Within 24 HourS

We streamline the compliance process with quick turnaround on all ECC certificates—keeping projects on schedule and giving homeowners confidence that their upgrades meet code.

Seamless Support Start to FinisH

From scheduling to final verification, we coordinate directly with contractors and building departments to ensure smooth inspections, fewer delays, and a stress‑free path to passing Title 24 requirements.

Contact CalRATERS Energy Experts

We are here to help!
Home Energy Audits

High energy bills? Start with an energy audit!

Our Advanced Home Energy Audit is the first step to  help you determine the inefficiencies in your home.  With customized solutions to help you make the right decisions for your Home Energy Upgrades.  Our goal is to help you make your home healthier, more energy efficient and comfortable for you and your family! 

Find Out More

Home Energy Audits

Comprehensive, Unbiased Energy Assessment

Our certified team performs full‑scope, third‑party energy audits that reveal where your home is losing energy, wasting money, or underperforming. We provide clear diagnostics—not sales pitches—so you can make informed decisions with confidence

Clear, Actionable RecommendationS

Every audit includes a prioritized roadmap highlighting the most impactful upgrades for comfort, safety, and efficiency. From insulation and air sealing to HVAC performance and ventilation, we break down technical findings into clear, practical next steps—and we even connect you with our trusted, top‑rated contractors so you know exactly who can help you get the work done right.

Guidance on Rebates & IncentiveS

We help you navigate programs like HEEHRA, TECH Clean Energy, and local utility rebates to maximize your savings. Our team walks you through what qualifies, how to apply, and how to get the most value from your improvements.

Learn More

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925.466.HOME (4663)

925.466.HOME (4663)

925.466.HOME (4663)

Give us a call, we would love to hear from you!

HELLO@calraters.com

925.466.HOME (4663)

925.466.HOME (4663)

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CalRATERS Energy Solutions

9260 Alcosta Blvd, Suite C23, San Ramon CA 94583

925.466.4663

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