Certasun. No Surprises.

Certasun serves customers in Illinois and Wisconsin. We’re 100% committed to an exceptional customer experience.  That’s why all customers get our No Surprises Guarantee:

1. We will clearly and honestly explain how residential solar works and its economics.
2. We will give you unbiased advice about the pros and cons of different types of solar financing.
3. We will handle all the details and costs of permitting, grid interconnection, scheduling, and construction.
4. We guarantee your system will be installed by a team of well-trained professionals.
5. We will use the world’s best solar panels, from SunPower.  Read about what makes SunPower great.
6. We will leave your home as clean or cleaner than when we arrived.
7. Your roof will not leak as a result of our installation.
8. We will guarantee your system will perform as intended over its lifetime.

Service Area

Certasun serves northeastern Illinois and southeastern Wisconsin.

Illinois

Our Illinois service area includes the entire Chicagoland area, as far as Bourbonnais to the south and Rockford to the west. This specifically includes Cook, DuPage, Kane, Lake, McHenry, and Will counties as well as parts of Boone, DeKalb, Grundy, Kankakee, Kendall, and Winnebago counties. Certasun is headquartered in Buffalo Grove, IL.

Read about Illinois solar incentives.

Phone: (312) 638-0800

Wisconsin

Our Wisconsin service area includes the Milwaukee area and south, including Kenosha, Milwaukee, Racine, Walworth, and Waukesha counties.  Just outside our service area?  Don’t hesitate to ask if we can build your solar system.

Read about Wisconsin solar incentives.

Phone: (262) 258-2640

Our Management Team