Top Rated Home Energy Auditors Serving Sunnyvale, CA
If you really care about choosing a quality home energy auditor, we’re here for you. Here’s your access to the best home energy auditors serving Sunnyvale including 94087, 94086, 94085, 94089 and 94088. These energy experts provide green building assessments and appliance energy consumptions, and they also work on energy audits, energy assessments and hers inspections. For 22 years we’ve conducted the most accurate ratings and deepest research of local companies, so you’ll be confident in choosing.
Last Updated May 15, 2026
2,196 people sourced companies in Home Energy Auditor
278 Verified Home Energy Auditor Customers Surveyed
CalRATERS, Inc. offers a variety of services that are designed to meet the energy needs of residential clients in the entire Bay Area. In addition to ...
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Main Services
Home Energy Auditor
Additional Services
Title 24 HERS Inspections, Home Energy Audits, BayREN Rebate Program Processing & Submittals, Energy Compliance Certificates, Duct Leakage Testing, Envelope Leakage Testing, Infrared Imaging, Insulation Inspections
Diamond Certified Home Energy Auditors Serve These Sunnyvale ZIP Codes
94087, 94086, 94085, 94089, 94088
Diamond Certified Home Energy Auditors In Sunnyvale
Diamond Certified home energy auditors serving Sunnyvale are rated an average of 4.5 out of 5 stars based on 85 reviews of 3 rated home energy auditors. Diamond Certified home energy auditors in Sunnyvale Avg. Star Rating.
We make you an expert at choosing a high-quality home energy auditor in the Sunnyvale area.
For those who love quality local home energy auditors.
Within our Diamond Certified Resource:
You choose from only top rated Diamond Certified home energy auditors that serve our Sunnyvale area.
You see each company’s deeply researched report from our research.
You’ll love and refer your friends and family to your new Sunnyvale area Diamond Certified home energy auditor. They provide expert services, including carbon footprint analyses, Green building assessments, energy management consultations, energy conservation education, energy-saving upgrades, and more.
Every Diamond Certified home energy auditor that serves residents in 94087, 94086, 94085, 94089 and 94088 performs various specialties, including renewable energy options, energy-efficient lighting analyses, appliance energy consumptions, insulation assessments, and HVAC system evaluations.
How to Choose a Quality Sunnyvale Home Energy Auditor for Your Family
Click the name of the company to get to their Diamond Certified Company Report page.
Watch their Diamond Certified Video Profile and other videos that we’ve created for you.
Read their verbatim client survey responses and our researched articles.
Get helpful home energy auditing tips if they are a Diamond Certified Expert Contributor.
Call or email them to schedule an appointment.
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Your Diamond Certified Resource. We make you an expert at choosing.
We make you an expert at choosing local companies by giving you the most accurate ratings, deeply researched company reports and Diamond Certified Guide of all Resource Guides, which cover 70+ industries in the Auto, Home, Health and Personal service categories. Each guide contains 16 key articles that are separated into “Before, During and After the Job” tabs. These are written to guide you through each phase of hiring, starting, managing and ending a job in that specific type of service.
Diamond Certified Resource Compared to Crowd-Sourced Review Sites
Diamond Certified Resource’s ratings of local companies are based on surveys of only verified real customers, so they are the most accurate. This beats crowd-sourced review sites like Yelp, Angi or even Google that are plagued with fake, manipulated, cherry-picked and non-customer reviews, which produce inaccurate and often inflated rating scores.
Diamond Certified Resource’s deeply researched reports of top rated Diamond Certified companies include everything you need to see to be very confident in choosing a top rated local company. Each company report includes detailed quality ratings and scoring, verbatim customer survey responses, a profile video, a company story video, a capabilities table, a photo gallery, researched articles, unique expert contributions from the company’s owner, and more. This beats crowd-sourced review sites that solicit companies to “claim their business listing” and add any type of info to their profiles. This sounds good, but it has led to company profiles that are littered with false claims and incomplete info.
Sunnyvale was founded in 1850, and today, your 145,945 neighbors enjoy rollerblading, wine blending, hot air balloon rides, biking and ghost tours. Sunnyvalians use Diamond Certified home energy auditors for electric meter testing, energy audits, carbon footprint analyses, renewable energy options, blower door testing, and more.
Frequently Asked Questions for Home Energy Auditor in Sunnyvale, CA
Q: What are clients of Diamond Certified home energy auditors saying about companies in Sunnyvale, CA?
A: Verified CalRATERS, Inc. Customer, 1 of 44 "I always give them my highest approval that they will be happy with them and they won't have any problems using them. They are highly recommended. They make my life easy and they take care of everything for me, including the permits. They schedule everything with the city and they work everywhere that we need." - Rachel A. All Survey Responses for CalRATERS, Inc.
Q: What are some of the most popular brands that Diamond Certified home energy auditors use when working with Sunnyvale residents?
A: Diamond Certified home energy auditors use top-quality brands like Efergy, Fieldpiece Instruments, Fluke Corporation, AAB Smart Tools and E Instruments International.
Q: What types of hers inspections do home energy auditors offer?
A: Home energy auditors offer comprehensive energy management consultations that involve assessing a home’s energy use patterns, making recommendations to improve the home’s energy efficiency, and providing resources to help homeowners implement energy efficient upgrades. Consultations typically cover topics such as insulation, air sealing, ventilation, lighting, heating and cooling systems, and appliance efficiency. Auditors may also offer advice on renewable energy options and strategies to reduce energy bills.
Q: Can Diamond Certified home energy auditors work with FLIR Systems products and similar items so I can get green building assessments in Sunnyvale?
A: Yes, Diamond Certified home energy auditors can work with FLIR Systems products and similar items to provide green building assessments in Sunnyvale.
Q: What did people search for when they wanted to find the best quality home energy auditors in Sunnyvale?
A: Appliance Energy Consumptions
Energy Solutions
Energy Usage Analyses
Hers Inspections
Energy Conservation Education
Sunnyvale is our home and we love it! Here you’ll find the best spots to revisit, the Sunnyvale events schedule, local social media links, stories of our Sunnyvale area unsung heroes and much more. Connect with your neighbors and share what you love about our hometown. Plus, join us as a Sunnyvale Diamond Certified Preferred Member (always free).
Downtown Sunnyvale is known for its modern architecture and welcoming community atmosphere. Photo: Sundry Photography
What are radiant barriers? These attic heat barriers keep homes comfortable, increase home efficiency, and save money on heating and cooling. Learn how.
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