We may be compensated if you purchase through links on our website. Our Reviews Team is committed to delivering honest, objective, and independent reviews on home products and services.More
Solar panels on the roof of a home overlooking a pool in the backyard.

Cosmic Solar Reviews (2024)

Get a personalized solar estimate in under 2 minutes

Invalid Zip Code

Join the 10,601 people who have received a free, no-obligation quote in the last 30 days

Author Image Written by Tamara Jude Updated 04/17/2024

Cosmic Solar is an experienced solar installer that provides renewable energy solutions to homeowners and businesses throughout Southern California. As a SunPower Elite Dealer, the company has passed advanced solar panel training to provide customers with a quality installation experience. Keep reading to learn about Cosmic Solar’s installation method, warranty, and customer service to determine if this provider is the right solar company for your home or business.

If you’re thinking about going solar, we recommend getting quotes from a few different companies before making a decision.

Compare Cosmic Solar to Other Solar Providers

Company Star Rating Warranties Payment Options Link
10–25 years Full purchase, loan, lease, PPA GET QUOTE
10–25 years Full purchase, loan, lease, PPA GET QUOTE
25 years Full purchase, loan, lease, PPA GET QUOTE
25 years Full purchase, loan, lease, PPA GET QUOTE
10-25 years Full purchase, loan GET QUOTE
No results were found.

What Do We Think of Cosmic Solar?

Cosmic Solar is a solar installer in Southern California that helps customers and businesses reduce their electric bills and cut fossil fuel emissions. Cosmic’s A+ rating from the Better Business Bureau (BBB) and its SunPower-trained installers make it a solid choice for people who are looking to switch to solar.

Compare the advantages and disadvantages of Cosmic Solar below.


Offers customers multiple purchasing plans
Includes a 10-year full installation warranty
Provides real-time web monitoring to track performance of your system


Only available in California
Doesn’t list pricing information on its website

How Does Cosmic Solar Provide Installation?

Cosmic Solar handles every step of the solar panel installation process, from the site audit to system monitoring. To start your project, Cosmic will analyze your home’s unique power usage and estimate the number of solar panels you need. After determining the size of your system, Cosmic Solar will design a layout and determine an optimal location before prepping your home for installation.

Cosmic Solar will then obtain the necessary local permits before beginning installation. Once the installation is complete, the company will ensure your solar system is working properly and set up system monitoring to monitor its energy output.

Note: In addition to solar panel installation, Cosmic Solar offers solar hot water and solar pool heating solutions.

What Are the Cosmic Solar Financing Options?

Cosmic Solar provides customers with a variety of solar financing options, including:

  • Cash purchase
  • Lease options starting at $0 down
  • Secured loans
  • Unsecured loans
  • Home equity line of credit
  • Third-party solar loans

Customers who own their system through a solar loan or cash purchase can take advantage of the federal tax incentive worth 30% of the cost of their solar installation. Additionally, solar owners receive credits from their local utility company by returning excess energy back to the electrical grid—a process known as net metering.

Cosmic Solar Warranties and Accreditation

Cosmic Solar protects solar panels through three unique warranties:

  • 25-year solar panel warranty
  • 25-year inverter warranty
  • 10-year full installation warranty


Cosmic Solar is accredited by the BBB and holds an A+ rating from the company. Here’s a customer review from the BBB:

Should You Choose Cosmic Solar?

Cosmic Solar offers solar panel installation to customers throughout Southern California. Additionally, the company gives customers a variety of purchasing options and protects each solar system with comprehensive warranties.

If you’re interested in solar services from an experienced solar provider, use our tool below to obtain quotes from additional solar companies in your area.

Get Estimates from Solar Experts in Your Area
Totally free, no phone call required

Other Solar Company Reviews

Frequently Asked Questions About Cosmic Solar

How long does it take to install a Cosmic Solar system?

On average, it takes around 60 days from start to completion to install a Cosmic Solar system. This process includes designing the system, obtaining the proper permits, and solar panel construction.

How often should solar panels be cleaned?

Solar panels should be cleaned every year with soap and water.

What benefits do solar panels offer?

Solar panels can help you save money by reducing the amount of electricity you use from your local utility provider. Additionally, solar energy is a fuel-free resource, meaning it’s renewable and doesn’t emit fossil fuels.

Our Rating Methodology

We are committed to providing comprehensive and unbiased reviews to our readers. After over a thousand hours of research on solar companies, interviews with experts, and common customer needs, we’ve created a detailed rating system for solar providers based on six factors:

  • Solar equipment, installation, and services (25%)
  • Warranty and performance guarantees (25%)
  • Brand reputation and certifications (15%)
  • Financing options (15%)
  • Experience (10%)
  • Availability (10%)

Total scores are divided by 20 for a final 5-point rating scale.

To share feedback or ask a question about this article, send a note to our Reviews team at reviews@thisoldhousereviews.com.