Independently Rated Highest in Quality
S e c o n d                              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

Tim Netherton is CEO of High Definition Solar.

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.

CEO Tim Netherton 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  he 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. Netherton.

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 Contra Costa, Solano, Napa, Marin, Sonoma, San Francisco, Alameda, San Mateo, Santa Clara, San Joaquin and Monterey Counties

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 67 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.
91%
n = 67

Diamond Certified Qualification

Based on 67 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

Maria D. Verified Customer Name
"They did what they said they were going to do."
Research conducted by American Ratings Corporation. Ratings Methodology

Diamond Certified® Video Profile

See video

Company Capabilities Table

High Definition Solar
(925) 399-1919
DCID9255668282

Mon – Fri: 8am – 4:30pm

Serving Contra Costa, Solano, Napa, Marin, Sonoma, San Francisco, Alameda, San Mateo, Santa Clara, San Joaquin and Monterey Counties

Tim Netherton, CEO
11
59
949189
Liability Insurance, Workers' Compensation
Better Business Bureau, Prime Buyer’s Report, The League of California Homeowners
Prime Buyers 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
Through Several Lenders, Terms Vary
Contra Costa Solar

Photo & Video Gallery

Survey Responses For

High Definition Solar

High Definition Solar: Average 8.9 out of 10 based on 67 unique customer surveys of customer satisfaction.
Maria D. Verified High Definition Solar Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"Use them."

"They did what they said they were going to do."

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

"They're reliable, cost effective, and accurate."

"They were easy to work with."

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

"We recommend them."

"They were very professional in every aspect, from explaining what was going on, getting the permit, getting the work done, and cleaning up after themselves. "

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

"Get the solar."

"I like my PG&E bill."

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

"I don't know."

"They were efficient."

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

"They were helpful and responsive."

"Essentially, their willingness to find a solution that was appropriate for me"

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

"My house is very cool now."

"The workers were very kind. They went out of their way to help us and fixed some stuff in front of our house."

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

"It was hard for me to figure out who to call if something went wrong. I called the salesman once or twice, but that really didn"

"They got the panels in, that"

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

"They have really good quality, but I would check prices carefully."

"The quality of the components and the labor"

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

"It was great service. They got in, got out, and cleaned up their mess. So far everything's been good. Synergy was great. It was PG&E that gave us trouble."

"The rebate"

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

"Make sure that they're aware that PG&E charges everyone who has solar an extra $10 for utilities."

"Everything is fine. It's sitting up there and apparently doing the work. I've been getting the bills properly, and I check the website to monitor the system to see how much we generate. It looks pretty good."

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

"They do the job right."

"They were on time."

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

"They put a new roof on my house, and they did a solar system."

"They were prompt, they were good workers, and the solar installation went perfectly."

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

"There is nothing wrong with them."

"They were very upfront and told me everything, and that"

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

"They do what they say they're going to do."

"They completed the job on schedule and took care of everything. I was very satisfied."

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

"They were very responsive to questions that I had. They came out and met with me more than once, and they kept me informed with results by calling me back."

"The speed with which they were able to do the job, they dealt with the installation and the paperwork with PG&E. The secretary called me to make sure I was pleased with what was going on. I've recommended them to a few different people."

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

"They should call them. They have a good product."

"They provided the product that we wanted. It was made in the USA, and they provided the kind of financing that we were interested in."

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

"It's really helped us save money on our PG&E bill."

"The man who came out explained everything to us. They did a quick job, and they were very professional. They did well, and they were very good. "

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

"Everyone that we met was extremely efficient and very complimentary to the company."

"Our PG&E bill, we're very satisfied."

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

"I think they're going to be available and in business for a considerable period of time because solar is not the only thing they do. I have confidence in their longevity as a company."

"They followed through. We got what we wanted, and the whole process was very non-intrusive. We were really very satisfied."

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

"It's very efficient, and we save a lot of money. "

"I like the customer service, from their sales pitch all the way to the finished product. Everything was double checked as far as quality control. They had a great presentation, and everything is running well so far. Everything was really timely."

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

"They were very efficient in the work that they did, and they cleaned up after themselves. They did exactly what they said they would do and in the time frame they said they would do it in, and the quality of the equipment installed looks excellent."

"The panels have the individual inverters with each panel, and that led me more to it. Everything was excellent."

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

"They're very professional, they come when they say they're going to come, they do good work, and they finish it up on time."

"They showed up on time, and they did a good job. It definitely reduced my PG&E bill, and I was satisfied with the quality."

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

"They weren't trying to scam us or sell us something that we didn"

"The quality of their work"

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

"They're very competitive, prompt, and they do good work."

"The on time delivery"

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

"It's worth it."

"The people who put it up were very professional, they knew what they were doing, and they didn't have to go back out for other supplies or anything else."

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

"They were professional. They did exactly what they said they were going do, when they said they were going do it."

"They were very clear about what they were going to do, they came when they said they were going to come, they finished on time, and they were very personable throughout the whole process. They were really good. I'd recommend them."

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

"Go ahead and try it."

"The savings that we have are significant. We're very satisfied."

Maria D. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"They're professional."

"I liked the way Richard followed up."

Alicia S. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"I don"

"They got in and got the work done right away."

Cathy S. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"Do it."

"The panels are absolutely wonderful. It's Green technology, and we live Green lives. The average bill per month is $5, which is awesome. "

Claire G. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"It seems like a good company."

"They're very efficient, no fuss no muss."

Belinda T. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:No
Q3 & Q4:

"Research a number of different companies first, especially with the customer service, because you really need good customer service if something goes wrong. I'm worried that if something goes wrong with our solar, I don't know if they're going to provide us with good customer service."

"They did really good work, and their product was excellent. They came on the day that was promised, and they were done the same day. Everything went well."

Ursula S. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"They did a nice job."

"They seem to do a good job."

Jeffrey M. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"They're trustworthy, and they do a good quality job. "

"They're trustworthy. They had my best interest in mind to do an honest, good job."

Jessica V. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"They're very communicative, and they have a lot of experience in my jurisdiction, which is the city of Berkeley. The people who came to do the actual installation work were very nice, and they did the work very quickly and efficiently."

"How often they kept me updated and how easy it was to get a hold of someone"

John C. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"They were responsive to our needs."

"They have friendly service, they're responsive, they know what they're doing, and they answer any questions that come up."

Natalie A. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"It was pretty hassle free."

"The process was pretty simple. It was a good experience all throughout."

Linda F. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"I was satisfied with the service and the product I received."

"They did the work in a timely manner."

Mary H. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"I'm doing okay so far with the solar panels. I've been satisfied so far."

"I'm saving some money on my energy bill. "

Oleg D. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"They delivered what they promised. There were few a little mishaps, but nobody's perfect."

"They delivered what they promised. They were nice people that were easy to talk to."

Ron P. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"I have no comment."

"I was able to finance it, and that was very important. They were very helpful."

Chou W. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"They deliver what they promise."

"It reduced my PG&E bill."

Sandra S. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:No
Q3 & Q4:

"They did a really good job of explaining the project, and they did have financial products in place with getting funding for your project."

"I liked the fact that the contractors they got for the roof started the work on time, and they really did a superior job."

Tom J. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"They're efficient, friendly, and straightforward. "

"The personalities of the people who came to work with us and the final product"

Tony L. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"It saves you money."

"They have a good product."

Virgil A. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"It"

"Their willingness to work with you"

Washington J. Verified High Definition Solar Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"They did very good work, and they went out of their way to accommodate me. "

"They are very friendly, cooperative, and they make you feel comfortable about their product."

Kjolby A. Verified High Definition Solar Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

"I wanted to go Green, that"

"The appointments they made were always on time, and they worked in a timely manner."

Cindy S. Verified High Definition Solar Customer Name
Q1:8 out of 10
Q2:No
Q3 & Q4:

"Buyer beware."

"They were honest and upfront about everything. Apart from what the panels produce, and the work was done well. "

Ellora L. Verified High Definition Solar Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

"In general, they did a good job."

"I liked the fact that I could get all of the services together."

Jennifer R. Verified High Definition Solar Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

"It's a bargain on the price."

"The salespeople were very charming."

John B. Verified High Definition Solar Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

"They were very efficient."

"I'm saving money."

Samone S. Verified High Definition Solar Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

"I made the right decision, and I should've done it earlier. It's helped us so much with our PG&E bill."

"I liked how I didn"

Mark T. Verified High Definition Solar Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

"I found the salespeople to be very informative. They were able to talk on my terms and explain to me how the system was going to work and the benefits. There were some problems during the installation, which they jumped right on top of and took care of, which I appreciated."

"The customer service, overall, I was pretty happy."

Ralph B. Verified High Definition Solar Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

"They're confident."

"It was a quality job."

Rex C. Verified High Definition Solar Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

"Always shop around and make sure that you get at least 3 quotes, but Synergy's prices are comparable to a lot of competitors out there."

"I liked their method of how they presented the idea of solar to a household, as in crawl, walk, run. "

Terry B. Verified High Definition Solar Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

"They did a good job overall."

"They followed through, and they did what they said they would do."

Dafna W. Verified High Definition Solar Customer Name
Q1:7 out of 10
Q2:Yes
Q3 & Q4:

"Be patient."

"The quality of their work"

Evelina D. Verified High Definition Solar Customer Name
Q1:7 out of 10
Q2:Yes
Q3 & Q4:

"The product was very good, and I'm very happy with the panels. The only thing was a little lacking was the organization. We had to go through papers not being given to us, and the work was delayed because of it."

"The product itself"

Peter B. Verified High Definition Solar Customer Name
Q1:7 out of 10
Q2:No
Q3 & Q4:

"Do your homework and check prices with other companies before you talk to them."

"They did everything in a timely, professional manner."

Lewis R. Verified High Definition Solar Customer Name
Q1:7 out of 10
Q2:Yes
Q3 & Q4:

"We got it because we thought we would save some extra money on our PG&E bill."

"Last month our bill was half of what we usually pay, so that was a good thing."

Andrew B. Verified High Definition Solar Customer Name
Q1:6 out of 10
Q2:Yes
Q3 & Q4:

"Check them out."

"They didn"

Gabriel J. Verified High Definition Solar Customer Name
Q1:6 out of 10
Q2:Yes
Q3 & Q4:

"Figure out how it's going to work and how to tell if it works before you spend all the money."

"They were really nice, and they did a good job of installing it."

Luke K. Verified High Definition Solar Customer Name
Q1:6 out of 10
Q2:No
Q3 & Q4:

"I left a Yelp review, but they squashed it. It was never published. I guess they're paying someone to filter their reviews. I gave them 3 out of 5 stars. You get what you pay for. "

"They had the best price on solar panels out of 4 bids. And our sales guy, Earl Frank, is a prince. He's low pressure, knowledgeable, and friendly. He's the perfect sales guy."

Andrew M. Verified High Definition Solar Customer Name
Q1:5 out of 10
Q2:Yes
Q3 & Q4:

"There's nothing I'd like to say."

"They did the job."

Elizabeth F. Verified High Definition Solar Customer Name
Q1:2 out of 10
Q2:No
Q3 & Q4:

"Not to use them"

"I think they installed a good product."