Curious About Solar for Your Home?

We can help! Certasun is Chicagoland’s hometown solar installer and a proud sponsor of Gujarati Samaj Chicago.

Most Powerful Equipment

We exclusively install SunPower, the most powerful, efficient, and durable solar panels available.

We Do Everything

Our in-house team of expertly trained solar professionals will install your system. No subs.

Best Materials Warranty

You don’t need to settle for anything less than 25 years parts, labor, shipping, and handling.

Local Expertise

Certasun is headquarted in Buffalo Grove, IL, about 45 minutes northwest of Chicago.

Very Happy Customers

Certasun is rated by customers as the #1 solar installer in Illinois on SolarReviews.com.

No Surprises Guarantee

We won’t mislead you or reccommend you buy more than you need; read more.

Get a Quote

Receive a custom quote for your home. Schedule an online consultation at a time that is convenient for you.

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Not quite ready? Call (312) 638-0800 with any questions!

Not quite ready?  Give us a call at (312) 638-0800 with any questions!