Go Green, Save Green – Virginia’s Leading Solar Experts at Your Service!
Looking for a smarter way to power your home or business in Fairfax, VA? At Cosmos Solaris, we specialize in high-quality solar installations designed to help you save money, reduce your carbon footprint, and take control of your energy future. As a trusted local provider, we combine cutting-edge technology for Solar Panel Installation in Fairfax. Our personalized service makes your transition to solar simple, seamless, and stress-free. Do you need a new solar system or want an upgrade? We’re here to help every step of the way.
We use only premium solar panels, inverters, and mounting systems backed by industry-leading warranties. Our systems are designed to last and built to perform.
We live and work in Fairfax, so we understand the unique energy needs, zoning requirements, and incentives available in our area. You’re not just another customer—you’re a neighbor, and we treat you like one.
From the initial consultation and system design to permitting, installation, and ongoing support, our team handles everything. We’ll even help you navigate tax credits and rebates.
With rising utility rates and generous solar incentives, now is the perfect time to go solar. Most of our customers see a return on their investment in just a few years and enjoy decades of savings.
Residential solar panel installation in Fairfax: Power your home with solar and enjoy lower electric bills, backup power options, and increased home value.
Commercial solar panel installation in Fairfax: Make your business more energy-efficient and environmentally responsible with a custom solar solution that fits your operations and budget.
Battery Storage & Backup Systems: Keep your power on even when the grid goes down. We offer battery storage options to enhance energy independence and reliability.
Solar Panel Maintenance & Monitoring: Do you already have solar? We offer system checks, performance monitoring, and maintenance to keep your panels running at peak efficiency.
Free Consultation
We’ll assess your property, energy usage, and goals to design a system that fits your needs.
Custom Proposal
Get a detailed quote that includes projected savings, available incentives, and the timeline.
Professional Installation
Our certified installers will handle everything from permits to final connections—quickly and cleanly.
Once your system is up and running, you’ll start generating your clean electricity and enjoying the benefits right away.
Contact us today to schedule your free consultation and see how much you could save with solar.
If you own your property and have a roof or space with good sunlight exposure, solar is a great fit. During your free consultation, we’ll assess your site and energy usage to determine if solar is the right choice for you.
The cost of a solar system depends on your energy needs, the size of your roof, and the design of your system. That said, federal and state incentives, like the 30% Federal Solar Tax Credit. It can significantly reduce your out-of-pocket expense. We provide transparent, upfront pricing in every proposal.
Fairfax residents can take advantage of:
We’ll help you find and apply for all eligible incentives.
From the initial consultation to activation, the full process typically takes 4 to 8 weeks, depending on permitting and utility timelines. The actual Solar Panel Installation in Fairfax usually takes 1 to 3 days.
Yes! Solar panels still produce electricity even when it’s cloudy—just at reduced levels. In winter, cooler temperatures can actually boost efficiency, and Virginia gets plenty of sunlight year-round to keep your system productive.
Grid-tied solar systems shut off during outages for safety reasons. However, you can add a battery backup system (like Tesla Powerwall) to keep essential appliances running when the grid goes down.
Most panels come with a 25-year performance warranty, and many last even longer. Inverters typically last 10–15 years, and we offer options for extended warranties and maintenance plans.
Yes! Homes and commercial properties with solar energy systems are often more attractive to buyers and can see a value increase without a corresponding rise in property taxes (thanks to exemptions in some areas).
Solar systems require very little maintenance. Occasional cleaning and an annual inspection are typically enough to keep things running smoothly. We also offer monitoring and maintenance services for added peace of mind.
We’re a local, trusted team that knows the Fairfax community and cares about delivering reliable, honest service. With high-quality equipment, personalized designs, and full-service support, we make going solar simple and stress-free.
