Independently Rated Highest in Quality
T w e l f t h
Consecutive Year
Originally Earned:
January 2006
We declare that Gentec Services, Inc. HAS QUALIFIED for and continues to meet the Ongoing Research and Rating Requirements for Diamond Certified® status.
Certificate #809
(925) 480-7957
(510) 402-5602

President Joe Scerbo

Gentec Services, Inc. provides residential and commercial clients with one-stop electrical services, air conditioning and heating service/repair, maintenance agreements, and system replacements. The company’s electrical services include troubleshooting, new circuits, ceiling fans, panel upgrades, A/V, security cameras, data wiring, access control and electric vehicle (EV) charging station installations. “We offer a rare combination of technical expertise, craftsmanship and dedication to customer satisfaction,” says president and founder Joe Scerbo.

Mr. Scerbo and his employees have more than 35 years of combined electrical and HVAC experience, and they specialize in serving residential and commercial clients, property managers, and HOAs. Additionally, Gentec Services has a construction division that focuses on commercial design/build projects.

Mr. Scerbo says Gentec Services’ core principle is “Connecting Technologies Together.” Its electrical technicians are uniformed and background checked. Each technician attends more than 100 hours of technical and customer service training every year, so clients can feel at ease with their expertise. 

Company Philosophy

“We strive to exceed our customers’ expectations, from a friendly person answering our phones to on-time, uniformed service professionals. It’s truly a pleasure getting to know our customers; we realize we’re only successful when they’re  satisfied. In many companies, customer service is secondary  to profits. But since day one at Gentec, it’s always been about doing what’s right, even if it costs us more.” 

Serving all of Contra Costa and Alameda Counties, including Richmond, Antioch, Pittsburg, Walnut Creek, Berkeley, Fremont, Hayward and Oakland.

Electrical/Lighting Installation
Repair & Service
Air Conditioning & Heating Installation
Ducting & Sheet Metal
CAT-5 - Telephone
Data
Cable TV
Energy Consultants
TV Installations
Lighting Retrofits
Panel Replacements
Troubleshooting & Repair
Recessed Lighting
Hot Tub Circuits
Security Cameras
Commercial Remodels & Additions
EV Charging Stations

Cutler-Hammer
Lennox
Lennox
Tempstar
Tempstar

Comparative Summary

Joe Scerbo, owner of Gentec Services, Inc. in Livermore, is sometimes surprised by questions about the quality control measures his company uses. “I guess there are companies out there that don’t adhere to strict quality guidelines,” he says, “but for us, it’s just a matter of fact. We do the best job possible.” That job starts with hiring only state-certified...

Frequently Asked Questions

Q: Do I need surge protection for my electronic equipment and appliances?
A: "California isn’t prone to large numbers of electrical storms, like Florida or the southern United States, but we do get an electrical storm once or twice a year. For those with valuable electronic equipment—and every major applia...
Q: I’m thinking about remodeling and adding a home theater. Can you install that? When should I contact you?
A: "We not only install home theaters, we design them and sell their components and cabinets. The best time to start talking with us is before the remodeling job starts. We can usually save you a lot of money if we integrate the home theater sys...
Q: Do you do home automation?
A: "We do lighting automation. We’re Lutron-certified and install Lutron RadioRA lighting control systems."

Industry Info

When searching for an electrical contractor, follow the credo, “Let the buyer beware.”
So says Joe Scerbo, owner of Gentec Services, Inc. in Livermore. “Do your due diligence,” he says. “Be sure to look at the contractor’s license and insurance certificates. And check references. Don’t just take their...
Findings based on statistically reliable research from 289 surveys

Customer Satisfaction

Survey Question: On a scale of 1 to 10 how satisfied were you with the quality you received?
Chart.

Company Credentials

Workers Compensation
Liability Insurance
License Verification
Business Practices
Current Complaint File

Customer Loyalty

Survey Question: If you needed this product or service in the future, would you use this company again?
Chart.
90%
n = 289

Diamond Certified Qualification

Based on 289 customer surveys, we declare
Gentec Services, Inc.
has passed all rating steps and has earned
The Diamond Certified Award
No. 809
Continuously qualified since January 2006.
David Pak
Director of Ratings Research
American Ratings Corporation

Verbatim Survey Responses From Only Verified Customers

H.D.P. Verified Customer Name
"I liked their prompt service and the fact that, because it's a preschool, they cleaned up everything and kept the kids' safety in mind while working. "
Research conducted by American Ratings Corporation. Ratings Methodology

Diamond Certified® Video Profile

Company Capabilities Table

Gentec Services, Inc.
(925) 480-7957
(510) 402-5602
DCID9253731682

Mon – Fri: 7am – 5:30pm
Sat: By Appointment Only

Serving all of Contra Costa and Alameda Counties, including Richmond, Antioch, Pittsburg, Walnut Creek, Berkeley, Fremont, Hayward and Oakland.

Joe Scerbo, Local Business Owner
35
7
783310
Liability Insurance, Workers' Compensation
Better Business Bureau
2003
Electrical/Lighting Installation, Repair & Service, Air Conditioning & Heating Installation, Ducting & Sheet Metal, CAT-5 - Telephone, Data, Cable TV, Energy Consultants, TV Installations, Lighting Retrofits, Panel Replacements, Troubleshooting & Repair, Recessed Lighting, Hot Tub Circuits, Security Cameras, Commercial Remodels & Additions, EV Charging Stations
Cutler-Hammer, Lennox, Tempstar
Commercial, Residential
3-Year Warranty on Labor, 1-Year Warranty on Parts, 10-Year Warranty on Panels

Photo & Video Gallery

Survey Responses For

Gentec Services, Inc.

Gentec Services, Inc.: Average 8.8 out of 10 based on 289 unique customer surveys of customer satisfaction.
H.D.P. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"I would tell a friend that they're fairly priced and that they know what they're doing. "

"I liked their prompt service and the fact that, because it's a preschool, they cleaned up everything and kept the kids' safety in mind while working. "

L.I. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They are very professional and their pricing is fair. Nick Hooper is awesome and very professional. His technical expertise is off the chart."

"I would say their workmanship and professionalism"

E.B.H.M.C. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"I'm so pleased with their work. "

"They finished the work in the estimated time. "

Marcus T. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"We had a very minor problem that they came out for, which they fixed, and then charged us the minimal amount. I'm glad they were honest about what the problem was."

"I liked their honesty."

Alexandra S. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They stuck to their estimate, they arrived on time, and they cleaned up their work area."

"I didn't have to call them back to do it again."

Steve C. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:No
Q3 & Q4:

"They're good, and they did what they were supposed to do. They came over, and they found and fixed the short. It took them awhile, but I have no complaints. "

"They did what they were supposed to do, and they were good."

Linda H. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They were very honest and thorough."

"They were prompt, and they didn't try to overwhelm me."

Ray C. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They are knowledgeable, and their pricing is fair and reasonable."

"They involved me during the entire project. I felt very confident because of their direct communication and honesty. "

Rich P. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"I always think they are the best, although, they are a little expensive."

"They are very competent, and the guys they send out are very professional."

Bill S. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"I would tell them that they're very courteous and that they did a job well done. "

"I liked that they were courteous and on time. "

Linda H. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They did a great job."

"They were on time, did what they said they were going to do, and completed the job by the deadline."

John P. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They were very professional and very upfront."

"They delivered on what they said."

Dublin C. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"I am completely satisfied. I would recommend them."

"They are very efficient."

Carl B. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They are reliable and thorough."

"They are reliable and thorough."

Bob T. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"The same guy, Al has come out to our place several times. He's been really good every time. He takes pictures of the problems, so that we can see exactly what needs repairing. He explains what's going on to us, which is really helpful. Al is just really good at fixing things. We love him to pieces."

"My wife thinks that the most important thing is to show up on time, and Al always calls ahead. She also appreciates how neat he keeps everything. I like that he explains what he's doing, and he does it right. "

Cindy V. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They are very responsive, they know what they are doing, and they're friendly."

"They came out when they promised and they got the job done."

Felicia S. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They're very reliable, efficient, polite, and knowledgeable. I was so pleased with them."

"I liked that they were so knowledgeable. I think they do a great job."

Christine H. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They came when they said they would, helped me solve some problems that were out of the ordinary, with no complaints, and without any extra charge. They wore booties to be careful about keeping things clean in our home. I was very happy with them."

"I liked that the technician was friendly, personable, and did what we needed exactly. I was very satisfied."

Leah B. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They were very personable, with great customer service. Specifically, we really enjoyed working with the gentleman who came to do the work."

"We liked that the person we worked with was really knowledgeable and he took the time to explain everything he was doing to us. We thought he was fantastic."

Karen A. Verified Gentec Services, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They did a good job. They solved the problem."

"I like that they were on time, they found what the root of the problem was, and they're friendly."