Independently Rated Highest in Quality
F i f t h
Consecutive Year
Originally Earned:
August 2013
We declare that High Definition Solar HAS QUALIFIED for and continues to meet the Ongoing Research and Rating Requirements for Diamond Certified® status.
Certificate #2051
(925) 399-1919

Chris Zepponi, Vice President of Sales

High Definition Solar is a full-service solar provider that serves residential clients throughout Northern California. Its experienced technicians are trained to handle every aspect of solar installations, from conducting comprehensive financial and energy analyses to dealing with paperwork and permits. In addition to installing solar power systems, the company offers a wide range of roofing services, including dry rot repair and energy-saving upgrades.

Vice President of Sales Chris Zepponi says much of High Definition Solar’s success is due to its customer-oriented staff of industry experts. “Our clients can sense our team spirit and the pride we take in our work. That’s the number one comment we receive from customers—they can tell our employees really enjoy what they do by the way they handle every situation.”

Prior to each installation, High Definition Solar’s technicians perform a thorough roof assessment so they can custom-design a solar power system that works for both the client’s roof and budget. The company provides each customer with a plan to optimize solar energy savings, and it stands behind these projections with a worry-free solar production guarantee. “We believe in solar as a secure investment, so we’re confident of its profitability for our clients,” affirms Mr. Zepponi.

Company Philosophy

“Our mission is to spread the benefits of solar power to homeowners throughout the Bay Area. We believe simplifying the process of going solar is the key to its widespread adoption, so we guide our clients through the process and make it as easy as possible for them.”

Serving the Greater Bay Area

Solar Power System Installations
Roof Inspections & Dry Rot Repairs

Canadian Solar

Comparative Summary

Maintaining customer satisfaction is a crucial aspect of any business, but it’s even more important for solar companies that have earned the prestigious Diamond Certified award. For High Definition Solar, the key to achieving and maintaining high levels of customer satisfaction is simple: take a focused, personalized approach to every job to ensure the best possible results. “The...

Frequently Asked Questions

Q: Is solar power worth the investment?
A: "It’s definitely something you should look into. Every home and family has different objectives when it comes to going solar, but they all have one thing in common: they want to secure their future, even if it’s in a small way lik...
Q: Shouldn’t I wait to see what new technology comes out in a couple of years?
A: "No. More and more people are installing solar power systems every day, and those people are able to join the Net Metering Agreement, which means they can send excess power back to the grid and receive credits. But the race is on—once t...
Q: How long will my solar installation take to complete?
A: "Typically, we can install a solar system in one or two days. Some jobs might require special care, such as tiles that can’t be walked on. In those instances, we may have to use a lift or other accommodations that can add time to the jo...

Industry Info

Take simple steps to get the most out of your solar power system.
Having a solar power system installed on your property requires a lot of time and money, so it’s a good idea to maximize the system’s performance however possible. To get the most out of your system, consider the following tips: Make...
Findings based on statistically reliable research from 167 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.
94%
n = 167

Diamond Certified Qualification

Based on 167 customer surveys, we declare
High Definition Solar
has passed all rating steps and has earned
The Diamond Certified Award
No. 2051
Continuously qualified since August 2013.
David Pak
Director of Ratings Research
American Ratings Corporation

Verbatim Survey Responses From Only Verified Customers

David S. Verified Customer Name
"I would give them a '15'. They do a great job and are very responsive."
Research conducted by American Ratings Corporation. Ratings Methodology

Diamond Certified® Video Profile

Company Capabilities Table

High Definition Solar
(925) 399-1919
DCID9255668282

Mon – Fri: 8am – 4:30pm

Serving the Greater Bay Area

Chris Zepponi, VP of Sales
11
59
949189
Liability Insurance, Workers' Compensation
Better Business Bureau, Prime Buyer’s Report, The League of California Homeowners
Prime Buyer’s Report Top 10 Certified
2010
Solar Power System Installations, Roof Inspections & Dry Rot Repairs
Canadian Solar
100
Residential
25-Year Warranty on Panels & Inverters, 10-Year Warranty on Labor
Available Through Several Lenders, Terms Vary
Contra Costa Solar

Photo & Video Gallery

Survey Responses For

High Definition Solar

High Definition Solar: Average 9 out of 10 based on 167 unique customer surveys of customer satisfaction.
David S. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"Use them, you can't go wrong."

"I would give them a '15'. They do a great job and are very responsive."

Susanna V. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"I would tell them that they are very conscientious. They always return phone calls and are very professional."

"The owner's responsiveness"

Martin K. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They did great work at a reasonable price."

"The owner squeezed me in during a busy time of the year and got the work done in the time frame he said he would."

Jeff K. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"That they did a good job, and they were very careful. I was satisfied with their work. "

"It was easy to work with them. "

Elena B. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"It was a really good experience and Tim is a good guy. My family has used him also. I love that they are local and family run."

"The confidence I have in them"

Rudy J. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"Quality workmanship, good ethic, and I was satisfied with the work and timing."

"It was very satisfactory."

Jennifer G. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"Solar panel quality is great. They were great help on the install, but the billing is confusing. I have to submit the bill to the lender and a couple other places. It's a huge deal on getting them paid. It's really hard to even figure out if they were paid or not. Otherwise, it was good. "

"The actual quality of the panels"

Misti J. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"I recommend them highly. "

"They're friendly and they get things done when they said and plan ahead, very prompt. I can count on them to do what they say."

Kelli C. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"That they were efficient and effective, they felt like a wonderful company. "

"Probably the attention to detail"

Andrea P. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"It is a good company. "

"They seemed honest in their dealings."

Peter G. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"I like the fact they did both roofing and solar. They have to do them together, if you ever have looked into the solar, you will notice companies will recommend this. "

"Because I'm very picky about what I have done to my home, they were tolerant of this fact and didn't mind me watching them closely. They had a good plan and are very organized."

William W. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"Call them today and they helped me with questions I had. It was a great deal, in fact I spoke with a friend and told them buying is better than leasing the panels. The quality of product and service was high. "

"They kept me informed on what and how they were doing things. They always are able to answer suggestions on items I didn't know about or was unsure of."

Steven R. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"It lowers PG&E bills for sure."

"They were quick and clean. "

Patricia Z. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They seem like a responsible company. They have a good service matched with a good product. "

"They're nice people."

Erinc E. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"The quality of the work was exceptionally amazing. Tim was a great guy to deal with."

"Overall, it was a great experience."

Anna V. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They were reasonable and they did what they said they would do. "

"Pretty much the same as the last"

Heather M. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"Very diligent and responsive with what they do"

"The timing and the execution were impeccable."

Frankie D. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"I was satisfied, I have recommended them to a couple of people. "

"Honesty, work ethic, and they fulfill their promises. The work was done in a timely fashion. It was neat. They cleaned up before they left. That was probably the biggest surprise."

Bette B. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"The solar works well. "

"All of the people we've come in contact with have been completely professional. "

Claire J. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They were very prompt. Everything went very smoothly, and they gave me a lot of good information."

"I think the people I spoke to, specifically the person who I guess designed or built the system. They were very honest."