Independently Rated Highest in Quality
Originally Earned:
April 2011
We declare that Clean Solar, Inc. HAS QUALIFIED for and continues to meet the Ongoing Research and Rating Requirements for Diamond Certified® status.
Certificate #1743
(877) 503-5716
1445 Koll Circle, Suite 109
San Jose, CA 95112

Clean Solar, Inc. designs, installs and maintains solar electric photovoltaic systems for residential and commercial clients throughout the Bay Area. The company’s experienced technicians are specially trained in rooftop and ground mount installation methods, and they follow strict quality assurance guidelines when installing solar systems. Clean Solar also provides complimentary site surveys and offers all financing options, including leases, PPAs, and secured and unsecured loans.

To keep pace with a fast moving industry, Clean Solar implements cutting-edge technology in every aspect of its operations. “One of the biggest examples of this is micro-inverters,” says owner/CEO Randy Zechman. “Since they were introduced into the market about three years ago, we’ve become the third largest micro-inverter installer in Northern California. We’ve always dedicated a lot of resources to research and development.”

Company Philosophy

“Our primary goal is to listen to every customer and do our best to give them what they’re looking for. Every client has unique ideas about their project, so in order to provide them with the best possible work, we make sure to communicate clearly with everyone involved, from the salesperson and project manager to the entire installation team.”

Serving all of Alameda County including Oakland, Fremont, Hayward, Berkeley, San Leandro, Alameda, Union City, Pleasanton, Newark and Dublin.

Solar
Maintenance
Electric & Photovoltaic Solar
Site Survey
Financial Analysis
Design
Installation
Residential, Commercial & Municipal
Ground Mount

Clean Solar
Enphase
Enphase
ET Solar
Fronius
Fronius
SMA
SMA
SunPower
SunPower
Suntech
Suntech

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 Clean Solar, Inc., achieving high levels of customer satisfaction is a direct result of a classic business approach: take care of every client like they’re the only one. “In today’s business environment, you won’t...

Frequently Asked Questions

Q: Am I eligible for an energy rebate?
A: "We’re happy to explain the process and determine if you’re eligible for any rebates. Most people understand there’s some type of governmental funding available, but they don’t know the details. We can explain that for you."
Q: Are your prices competitive?
A: "Yes, but we always clarify that it’s impossible to give a quote for a solar power system off-the-shelf like you can with products from stores. We can give a generic number that tells you what the rough cost will be per kilowatt, but that cha...
Q: What type of modules do you use?
A: "We mostly use Sun Power and Sun Tech modules, but we’re basically product neutral from a module standpoint."

Map

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Industry Info

Choosing between grid-tied and off-grid solar systems is the first step in making the transition to solar.
Compare the two types of systems and consider the pros and cons of each in the detailed list below.Off-grid systems Off-grid solar systems are powered solely with the energy generated by the system’s panels. “An off-grid system gives you the ability...
Findings based on statistically reliable research from 73 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.
100%
n = 73

Diamond Certified Qualification

Based on 73 customer surveys, we declare
Clean Solar, Inc.
has passed all rating steps and has earned
The Diamond Certified Award
No. 1743
Continuously qualified since April 2011.
David Pak
Director of Ratings Research
American Ratings Corporation

Verbatim Survey Responses From Only Verified Customers

Adriene L. Verified Customer Name
"They were easy to deal with. They knew what they were doing and explained it to a novice. They continued to be available for questions. If there were scheduling problems, they kept us informed."
Research conducted by American Ratings Corporation. Ratings Methodology

Diamond Certified® Video Profile

See video

Company Capabilities Table

Clean Solar, Inc.
1445 Koll Circle, Suite 109
San Jose, CA 95112
(877) 503-5716
DCID8885517652

Mon – Sat: 7am – 6pm

Serving all of Alameda County including Oakland, Fremont, Hayward, Berkeley, San Leandro, Alameda, Union City, Pleasanton, Newark and Dublin.

Randy Zechman and Jeff Richey
5
15
Accredited Public School Teacher - Solar Installation Classes, NABCEP Accredited Teacher, SunPower Certified Premier Dealer
910849
Liability Insurance, Worker's Compensation
National Council of Structural Engineers Association (NCSEA), Santa Clara Chamber of Commerce
Best of the Bay 2011 Finalist - Top 25 Installers (San Jose Business Journal)
2006
Residential, Commercial and Municipal Solar Installations, Photovoltaic (PV) Panels
Clean Solar, Enphase, ET Solar, Fronius, SMA, SunPower, Suntech
120
Commercial and Municipal, Residential
15-Year Full Service Warranty, 15-Year Production Guarantee
Free Solar Financing Available
San Mateo Solar

Photo & Video Gallery

Survey Responses For

Clean Solar, Inc.

Clean Solar, Inc.: Average 9.2 out of 10 based on 73 unique customer surveys of these open ended questions.
Adriene L. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They were easy to deal with. They knew what they were doing and explained it to a novice. They continued to be available for questions. If there were scheduling problems, they kept us informed."

Barry F. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They had control of a lot of technology. They were not tied to one manufacturer. This meant they were able to customize the system, so I can expand later if I want to. Their price was competitive."

Sue R. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"Scott was certainly a fabulous front man. He's a good guy and he cares. The crew that came out was fantastic. They were extremely intelligent, polite, and well spoken. They paid attention to details and did everything in an organized fashion. Our experience couldn't have been better."

Roxanne W. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"I like that they kept me informed. When something was going to take longer than agreed upon, they let me know, which was important to me. We had one issue, but they took care of it immediately."

Charles I. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They were upfront and went out of their way to make sure the experience was good. They were on time. I like the quality of the work and the performance of the system. I enjoyed working with them."

Dennis M. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They showed up when they said they would. They were done before they were supposed to. There was never a mess and they were very considerate about not bothering a sick family member."

Don S. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"First, they thoroughly explained all the options ahead of time. Second, they represented really good quality hardware."

Gary R. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"I had an inverter that the manufacturer said would handle the power, but we put out quite a bit and it kept shutting down. Clean Solar came out, checked it out, and got the manufacturer to provide an upgrade at no charge. They took care of everything. "

George R. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"McKinnon was totally candid. He was honest, professional, and he tried to talk me out of what he thought would never provide a payback for me. He didn't want me to be disappointed. When I explained, he understood and provided me with what I wanted."

Greg H. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They showed up on time, did the work they promised, and met all of my requests. I was very satisfied."

Valerie G. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"From the response to my email asking for information and quotes, to the follow-up with Scott coming out and doing the review and the installation, they made it pretty quick and easy. Although I never saw the crew, they were very clean. I came home and everything was done and there was no mess. Their knowledge and their response to their customers are their high points. "

Jeff H. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"The price was competitive. The product was very good and the installation and follow-up were excellent."

Joanne C. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They seemed very knowledgeable, unlike one competitor I checked out. It was like night and day. I was happy with the quality of the work and the installation. They delivered on what they said."

John T. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"It was all good."

John W. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"I interviewed several solar companies, but they brought different scenarios that other companies didn't. They brought a lot more information to the table. I think it was all pretty good and the warranty service has been good too."

Joseph A. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"I was very happy with the efficiency and cleanliness."

Kevin S. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They worked well with the roofer, as we were having a new roof put on at the same time. They coordinated well to get the job done."

Lowell Y. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"The installation was very clean, quick, and efficient. The savings are even better than with our previous solar panels, even though these ones are smaller. "

Matt B. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"Their flexibility"

Michael B. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They arrived when they said they would. They finished the job expeditiously. The installation went very smoothly and the people were very accessible. "

Michael F. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"The prices between the companies are roughly equal, but the difference is, the owner will donate to a charity of your choice. The crew was multinational and really nice guys. There was no cussing, no loud music, and they were not obnoxious."

Kristy B. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They were here on time. They did a good job and cleaned up."

Mike M. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They were very thorough. They explained everything and followed through with everything."

Ned N. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"Very professional"

Patrick W. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"The service was good and the prices were excellent."

Patrik W. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"There were a lot of things. They paid attention to details. They were very courteous to the neighbors, very open and honest in their communications. We were able to resolve any questions quickly. They responded quickly."

Paul K. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"Their commitment to service and getting the job done right so that it was high quality"

Randal S. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"The crew was very friendly, clean, and responsive. Everything went very smoothly."

Ray M. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They were very professional and they kept everything very clean."

Robert O. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They were here when they said they would be, very courteous, and very polite. They were nice to have around. Scott McKenna was very nice and helpful, and so were the office women when I needed to call them. Everything about it was really very good."

Ross M. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They took care of everything, especially things they didn"

Scott N. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"It was the service guarantee. No one else offers the production guarantee. I really liked that they spent time explaining how things worked. I wanted a new feature that was out on the market. They researched them and went and got them and put them in."

Shirish S. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"Everything went well. They gave us good information and came and installed it quickly."

Skip F. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They were very professional, very knowledgeable, and very accommodating. They were on time and everything came out exactly like the plans were laid out."

Stephen C. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"It was fully integrated from the beginning to the installation. I had my roof replaced at the same time. They handled dealing with the roofer."

Terry F. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They did what they said they were going to do, did it on time, and they went the extra mile to make sure the system was exactly as it should be. "

Tom W. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"I liked the salespeople."

Victoria M. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They put the things up on the roof and they work."

Wanda Z. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"It's hard to pinpoint just one thing. I liked pretty much everything."

Wayne B. Verified Clean Solar, Inc. Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They were unlike any other solar company. I had a very difficult roofline. They were the only ones willing to work with me. The other companies wouldn't even bother to come out and review my property. Clean Solar was more like a partner instead of just someone I was buying solar panels from."

Anand T. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"They were very professional. I got a sense that the work would be done well. I wouldn't have any issues with quality. It went smoothly. I didn't have to go back and forth between contractors."

Trish W. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"They worked with us on getting what we wanted. They explained everything and made sure we understood the costs. They arrived on schedule and finished on schedule."

Kathy D. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"They were very professional, from the first quote to the crew who came out. They handled themselves well. They were on time, polite, and they put covers on their shoes. They did a really good job."

Craig C. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"Other than a few initial glitches, the installation went well. I am quite pleased with the system."

Rae H. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"They were very honest in their estimate and they did what they contracted to do in a timely way."

Dennis K. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"They were very responsive and they kept following up on potential problems."

Elaine W. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"The customer service, they have a pretty good response time."

Felix H. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"They worked with us. It was a pleasant experience."

Jim F. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"Good communication, the people doing the installation kept in communication with us. They were on time and they cleaned up."

Joe H. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"The professionalism of their technical folks, I also had a good experience with the front office. It was a pleasure to work with them."

Mike M. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"Their attention to detail and the quality of the installation"

Mike N. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"The price was really good. They showed up when they said they would, and generally, they were pleasant to work with."

Norman P. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"Their knowledge about the technical aspects and the installation, their knowledge level was high, not like some companies that don't know their product and try to give you a hard sell. I'm a contractor. If they don't know their products, I'm not sold on their ability to do the job. I felt confident about Clean Solar."

Pankaj S. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"They were fairly professional, from the salesmen right on down to the installers."

Rajiv P. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"They answered all of my questions and the technical work was very good."

Ralf K. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"They kept me very well informed as to what was going on and did exactly what they promised."

Steve K. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"Technical expertise"

Thomas B. Verified Clean Solar, Inc. Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"The salesperson was honest and forthcoming."

Bill P. Verified Clean Solar, Inc. Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"Their presentation, their knowledge of the products, and their explanation, they were able to put things in layman's terms and break it down so an idiot would understand it. I interviewed six companies, but Clean Solar blew them out of the water. I would definitely recommend them."

Dan W. Verified Clean Solar, Inc. Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"They were prompt, they did the work, and they helped me with my refund. "

Darrin D. Verified Clean Solar, Inc. Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"They were pretty thorough. The owner came out one time and the sales representative came out twice. I liked the guy who did the installation. He explained everything thoroughly and walked us through it. He was very open, and not afraid to say I don't know. He was great. They also helped with the paperwork for the rebates."

Henry C. Verified Clean Solar, Inc. Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"The pricing"

Josh L. Verified Clean Solar, Inc. Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"They were very straightforward about the cost and pretty flexible in terms of where we wanted it installed."

James L. Verified Clean Solar, Inc. Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"I thought the salesman, Scott, was really good and the installers were very professional. They did a good job."

Ken D. Verified Clean Solar, Inc. Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"Their rebate program"

Lee A. Verified Clean Solar, Inc. Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"They used high quality materials and handled dealing with the city."

Stan A. Verified Clean Solar, Inc. Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"They came over and got the job done quickly."

Catherine C. Verified Clean Solar, Inc. Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"I liked best the various options the salesperson presented."

Harold H. Verified Clean Solar, Inc. Customer Name
Q1:7 out of 10
Q2:Yes
Q3 & Q4:"When there were issues, they took care of them."

Keith C. Verified Clean Solar, Inc. Customer Name
Q1:7 out of 10
Q2:Yes
Q3 & Q4:"They delivered the product."

Ron G. Verified Clean Solar, Inc. Customer Name
Q1:7 out of 10
Q2:Yes
Q3 & Q4:"I liked the salesman and the people doing the installation."

Michael O. Verified Clean Solar, Inc. Customer Name
Q1:6 out of 10
Q2:Yes
Q3 & Q4:"The product came through like they said it would."

Marshall R. Verified Clean Solar, Inc. Customer Name
Q1:5 out of 10
Q2:Yes
Q3 & Q4:"They did a fabulous job. I would recommend them. I contacted ten companies. Where the others failed, there were only one of two that came out and looked at my house. I wanted a high fidelity type product with 90 percent efficiency. They were the only ones able to match that. They were very knowledgeable and very helpful."