Diamond Flame Mechanical Inc.

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Diamond Flame Mechanical Inc.
11 SURVEYS
1 CONSECUTIVE YEAR
SINCE MAY 2025
CERT 2868

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11
Verified Customers
Surveyed
Customer Loyalty
Customer Satisfaction
Helpful Expertise

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  • Current Complaint File
  • Workers Compensation
  • License Verification
  • Legal & Finance

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Diamond Flame Mechanical Inc.
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Diamond Flame Mechanical Inc.

Air Quality - Indoor
|
Alameda  Contra Costa  Marin  Napa  San Francisco  San Mateo  Santa Clara  Solano  Sonoma Counties
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11 SURVEYS
1 CONSECUTIVE YEAR
SINCE MAY 2025
CERT 2868

Rated Highest in Quality & Helpful Expertise Performance Guaranteed

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Diamond Certified Researched Articles on Diamond Flame Mechanical Inc.

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A Diamond Flame Mechanical technician services a client's HVAC system.

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Diamond Flame Mechanical Inc. provides a variety of services that are designed to improve indoor air quality for residential and commercial clients throughout the Bay Area. In addition to installing, maintaining, and repairing all types of heating and air conditioning systems, the company has the in-house capabilities to fabricate sheet metal for ductwork.

Owner Raul Zambrano says Diamond Flame Mechanical’s success is rooted in honest communication and a commitment to process. “We want our clients to feel confident in our work, so we keep them informed during their projects and let them know what to expect so there are no surprises. Every job starts with a solid plan—we tackle each step carefully and make sure nothing is skipped.”

Diamond Flame Mechanical’s highly trained technicians use industry-best methods and state-of-the-art equipment to offer prompt, expert solutions to its customers’ heating, cooling, and indoor air quality issues. “At the end of the day, the job isn’t done until the client is completely satisfied,” affirms Mr. Zambrano. “This mindset leads to better results and helps us build long-term trust.”

Diamond Certified Researched Capabilities on Diamond Flame Mechanical Inc.

Service Area

serving area
The Bay Area
Serving the Bay Area

Main Services

Air Quality - Indoor
  • Air Conditioner Repair
  • Air Quality Inspection
  • Air Quality Meters
  • Air Quality Tester
  • Furnace Repair
  • Heating And Cooling
  • Home Air Quality Testing

Additional Services

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Company Info

Hours
Mon
06:00 am - 06:00 pm
Tue
06:00 am - 06:00 pm
Wed
06:00 am - 06:00 pm
Thu
06:00 am - 06:00 pm
Fri
06:00 am - 06:00 pm
Sat
Closed
Sun
Closed
Closed
Contact
Diamond Flame Mechanical Inc.

Capabilities Table

Company Name
Diamond Flame Mechanical Inc.
Managers
Raul Zambrano, Owner
Years in Industry
15 (Manager)
# of Employees
3
License
1116445
Founded
2024
Payment Accepted
american express,
discover,
mastercard,
visa

Select Photos From Diamond Flame Mechanical Inc.

1 of 9Picture of  A technician from Diamond Flame Mechanical Inc. meticulously inspects a furnace, ensuring optimal performance. The company is recognized for expertise and quality, echoed in every meticulously handled detail. Copyright ©2025 Diamond Certified Resource.

 - Diamond Flame Mechanical Inc.
A technician from Diamond Flame Mechanical Inc. meticulously inspects a furnace, ensuring optimal performance. The company is recognized for expertise and quality, echoed in every meticulously handled detail. Copyright ©2025 Diamond Certified Resource.
Picture of  A technician from Diamond Flame Mechanical Inc. meticulously inspects a furnace, ensuring optimal performance. The company is recognized for expertise and quality, echoed in every meticulously handled detail. Copyright ©2025 Diamond Certified Resource.

 - Diamond Flame Mechanical Inc.
Picture of  In the serene setting of a suburban backyard, two technicians from Diamond Flame Mechanical Inc. install new HVAC units, showcasing the company's recognized expertise and quality. Copyright ©2025 Diamond Certified Resource.

 - Diamond Flame Mechanical Inc.
Picture of  On a clear day, the rooftop HVAC systems at a commercial site exemplify Diamond Flame Mechanical Inc.'s commitment to quality outcomes, ensuring optimal climate control. The company's expertise in such installations is recognized for its high customer satisfaction ratings. Copyright ©2025 Diamond Certified Resource.

 - Diamond Flame Mechanical Inc.
Picture of  On a rooftop under a dynamic sky, advanced ductwork shines brightly, embodying Diamond Flame Mechanical Inc.'s commitment to quality outcomes. This precise installation reflects their top-rated expertise in ensuring optimal airflow solutions. Copyright ©2025 Diamond Certified Resource.

 - Diamond Flame Mechanical Inc.
Picture of On a crisp morning, a rooftop reveals an array of precisely installed HVAC units, a testament to Diamond Flame Mechanical Inc.'s commitment to quality outcomes. Their expertise is central to each installation's reliability. Copyright ©2025 Diamond Certified Resource. - Diamond Flame Mechanical Inc.
Picture of  Two well-installed exterior units hint at a meticulous approach by Diamond Flame Mechanical Inc., ensuring optimal performance. This scene reflects the company's commitment to high customer satisfaction ratings. Copyright ©2025 Diamond Certified Resource.

 - Diamond Flame Mechanical Inc.

Diamond Flame Mechanical Inc. Website and External Feeds

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Diamond Flame Mechanical Inc. Ratings and Survey Responses (reviews)

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Diamond Flame Mechanical Inc.
11 SURVEYS
  • 4.9
  • star image
  • star image
  • star image
  • star image
  • star image
1 CONSECUTIVE YEARS
SINCE MAY 2025
CERT 2868

Diamond Certified Ratings Dashboard

Customer Satisfaction

Customer Loyalty

Helpful Expertise

Company Credentials

  • Liability Insurance
  • Business Practices
  • Current Complaint File
  • Workers Compensation
  • License Verification
  • Legal & Finance
Diamond Flame Mechanical Inc.

Based in Morgan Hill, CA

4.9 avg. star score from 11 Verified Customer Phone Survey Responses

(Reviews: Scroll down to read them.)

Our surveys of only verified real customers produce the country’s most accurate ratings of local companies. Diamond Flame Mechanical Inc. scored Highest in Quality and Helpful Expertise and passed the credential-based checks to earn Diamond Certified.

A Star Equivalent Score is calculated for each verified customer rating by weighting the 1–10 Quality score, the YES/NO Loyalty (intent to return) score and the YES/NO Helpful Expertise score. If Helpful Expertise wasn’t surveyed or didn’t apply, it’s simply not shown.