OneSun Reviews
A company’s ratings are a time-based and verification-based weighted average numerical calculation of the ratings submitted by consumers in the most recent 24-month period.
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- Our editorial team reviews and fact-checks all content before it’s published.
- We rely on expert input and trusted sources to verify our articles.
- All articles published must meet our editorial standards and independence policy.
Our review standards
- Our moderation team evaluates reviews to make sure they meet our guidelines.
- We require contact information to verify reviews come from real customers.
- Financial relationships do not influence whether we publish a consumer review.
About OneSun
OneSun specializes in residential and commercial solar installations. It offers equipment from Canadian Solar, Enphase Energy, Hyundai Energy Solutions, IronRidge, Panasonic, Qcells, the REC Group, Solaria and Unirac. Service areas extend across parts of southern California.
Visit www.onesunsolar.net
OneSun Reviews
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Our review standards
- Our moderation team evaluates reviews to make sure they meet our guidelines.
- We require contact information to verify reviews come from real customers.
- Financial relationships do not influence whether we publish a consumer review.
A link has directed you to this review. Its location on this page may change next time you visit.
Our review standards
- Our moderation team evaluates reviews to make sure they meet our guidelines.
- We require contact information to verify reviews come from real customers.
- Financial relationships do not influence whether we publish a consumer review.
OneSun service areas
OneSun performs solar installations in five counties across California.
- Los Angeles County
- Orange County
- Riverside County
- San Bernardino County
- Ventura County
Average solar cost by service area
Solar panel costs vary based on your location and other factors. The map below shows average overall prices in OneSun’s service areas to give you a general idea of what to expect. Your specific energy needs, panel efficiency and other variables could make your costs higher or lower than these averages.
Average solar panel cost by state
| Average cost per watt | Typical system size | Average cost after ITC | Payback period | Estimated net savings | |
|---|---|---|---|---|---|
| California | $3.06 | 4.5 kW | $11,466 | 7 years | $30,000 |
Note: Costs in this table are average costs for the state and do not represent specific company pricing. "Average cost after ITC” reflects the cost after receiving the full 30% solar investment tax credit (ITC). “Estimated net savings” is the average amount residents in that state will save on electricity over 25 years, including their cost of installing a solar energy system.
» HOW MUCH? Solar panel costs in California
» EXPLORE: California solar incentives
Equipment brands sold by OneSun
As a solar installer, OneSun does not manufacture its own equipment. The company offers equipment from the following brands:
- Canadian Solar
- Enphase Energy
- Hyundai Energy Solutions
- IronRidge
- Panasonic
- Qcells
- REC Group
- Solaria
- Unirac
FAQ
Does OneSun offer a warranty?
OneSun offers the standard 25-year manufacturer’s warranty.
What payment options does OneSun offer?
You can pay for products and services from OneSun upfront or finance through a loan.
Still have questions?
How OneSun compares
Compare OneSun on customer reviews, availability and payment options below. Read our guide to finding the best solar energy company for more.
| Company | Customer rating | Availability | Payment options | |
|---|---|---|---|---|
OneSun | Learn More | 5.0 | Southern California: Los Angeles, Ventura, Orange, San Bernardino and Riverside counties | Cash or loan |
 SunPower | Learn More | 3.3 | 21 states | Cash, loans, lease and PPA |
OneSun Company Information
- Company Name:
- OneSun
- Address:
- 13027 Victory Blvd #514
- City:
- North Hollywood
- State/Province:
- CA
- Postal Code:
- 91606
- Country:
- United States
- Website:
- www.onesunsolar.net