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CalRATERS, Inc.

Home Energy Auditor
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Alameda  Contra Costa  Marin  Napa  San Francisco  San Mateo  Santa Clara  Solano  Sonoma Counties
Diamond Certified Company Report
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CalRATERS, Inc.
44 SURVEYS
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  • Rating
4 CONSECUTIVE YEARS
SINCE DECEMBER 2021
CERT 2653

Diamond Certified Ratings Dashboard

44
Verified Customers
Surveyed
Customer Loyalty
Customer Satisfaction
Helpful Expertise

Company Credentials

  • Liability Insurance
  • Business Practices
  • Current Complaint File
  • Workers Compensation

Company Report Menu

  • Survey Responses
  • Diamond Certified Video Player
  • Researched Articles & Profile
  • Capabilities
  • Photos
  • Expert Contributor Advice & Tips
  • Website & External Feeds

Diamond Certified Company Report SUMMARY UPDATE July 2025

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CalRATERS, Inc.

Rated Highest in Quality and Helpful Expertise for 4 Consecutive Years.

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Quick Summary

  • Diamond Certified since 2021
  • Helps clients navigate issues with high energy bills, inefficient heating and air conditioning equipment, poor insulation, leaky ductwork, and more
  • Family-owned and operated since 2015
  • Offers free Home Energy Scores

Top News Updated

NEW PRODUCTS & SERVICES

CalRATERS has started performing combustion safety tests on all types of gas appliances.

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TRENDING PROJECTS

CalRATERS recently worked on multiple new construction projects in Oakland, including single-family and multifamily housing units.

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Top Survey Responses

From a recent Diamond Certified Survey Response: “[They’re] very easygoing and professional, and they’re willing to take some time to explain what’s going on.”

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From a recent Diamond Certified Survey Response: “They were really great. They showed up on time and did what they said they would do at a fair price.”

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Special Events & Promotions

CalRATERS is currently offering $50 off on energy audits.

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CalRATERS, Inc.
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Diamond Certified Researched Capabilities on CalRATERS, Inc.

Service Area

serving area
Bay Area
Serving the Bay Area

Main Services

Home Energy Auditor
  • Blower Door Testing
  • Electric Meter Testing
  • Energy Assessments
  • Energy Audits
  • Energy Solutions
  • Hers Inspections
  • Home Inspections
  • Home Solar Batteries

Additional Services

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Company Info

Hours
Mon
07:30 am - 05:30 pm
Tue
07:30 am - 05:30 pm
Wed
07:30 am - 05:30 pm
Thu
07:30 am - 05:30 pm
Fri
07:30 am - 05:30 pm
Sat
Closed
Sun
Closed
Closed
Contact
CalRATERS, Inc.

Capabilities Table

Company Name
CalRATERS, Inc.
Managers
Nikole Jonsson and Marty Kerr, Owners
Years in Industry
20+ (Combined)
# of Employees
8
Memberships
Better Business Bureau
Founded
2015
Payment Accepted
american express,
discover,
mastercard,
visa

Key Factors

Select Photos From CalRATERS, Inc.

1 of 12Picture of CalRATERS, Inc. professionals, recognized for their expertise and quality, arrive prepared for a new project. Their precision in work exemplifies their consistent reputation for high customer satisfaction. Copyright ©2025 Diamond Certified Resource

 - CalRATERS, Inc.
CalRATERS, Inc. professionals, recognized for their expertise and quality, arrive prepared for a new project. Their precision in work exemplifies their consistent reputation for high customer satisfaction. Copyright ©2025 Diamond Certified Resource
Picture of CalRATERS, Inc. professionals, recognized for their expertise and quality, arrive prepared for a new project. Their precision in work exemplifies their consistent reputation for high customer satisfaction. Copyright ©2025 Diamond Certified Resource

 - CalRATERS, Inc.
Picture of A CalRATERS, Inc. technician carefully inspects an air vent, embodying the company's commitment to quality outcomes. CalRATERS consistently achieved a Highest in Quality rating. Copyright ©2025 Diamond Certified Resource

 - CalRATERS, Inc.
Picture of A technician from CalRATERS, Inc., sets up precision equipment against a vibrant backdrop, ensuring high-quality performance. CalRATERS consistently achieved a Highest in Quality rating. Copyright ©2025 Diamond Certified Resource

 - CalRATERS, Inc.
Picture of Two technicians from CalRATERS, Inc., engaged in a focused discussion, exemplify the company's dedication to quality outcomes. Known for high customer satisfaction, they work toward energy solutions that fit clients' needs. Copyright ©2025 Diamond Certified Resource

 - CalRATERS, Inc.
Picture of A CalRATERS, Inc. professional uses thermal imaging to assess attic insulation, showcasing the company's focus on quality outcomes. This attention to detail underscores CalRATERS' reputation for high customer satisfaction ratings. Copyright ©2025 Diamond Certified Resource - CalRATERS, Inc.
Picture of In the quiet focus of an attic inspection, a CalRATERS, Inc. expert meticulously examines structural integrity with precision. Recognized for scoring Highest in Quality and Helpful Expertise, the company ensures excellence from the ground up. Copyright ©2025 Diamond Certified Resource

 - CalRATERS, Inc.

Diamond Certified Expert Contributor Advice & Tips

Marty Kerr is owner of CalRATERS, Inc., a Diamond Certified company. He can be reached at (925) 526-5908 or by email.

Marty Kerr is owner of CalRATERS, Inc., a Diamond Certified company. He can be reached at (925) 526-5908 or by email.

Marty Kerr: Doing His Part

By Matt Solis, Editor

Marty Kerr feels like he has found a perfect vocational match in home energy auditing, but his introduction to the field was actually the result of someone else’s professional trajectory. “My wife, Nikole, is the one who originally told me about it,” he remembers. “She was working in the HVAC industry at the time and she told me about a new program called HERS [Home Energy Rating System] that her company was going to start implementing. When I looked into it further, I li...

Read Full Article - Marty Kerr: Doing His Part

CalRATERS, Inc. Website and External Feeds

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CalRATERS, Inc. Ratings and Survey Responses

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CalRATERS, Inc.
44 SURVEYS
  • star image
  • star image
  • star image
  • star image
  • star image
  • Rating
4 CONSECUTIVE YEARS
SINCE DECEMBER 2021
CERT 2653

Diamond Certified Ratings Dashboard

Customer Satisfaction

Customer Loyalty

Helpful Expertise

Company Credentials

  • Liability Insurance
  • Business Practices
  • Current Complaint File
  • Workers Compensation

Phone Survey Responsesfrom 44 Verified Customers