Full Spectrum Solar
Family-owned solar contractor with NABCEP-certified engineers serving Wisconsin homeowners and businesses for over 20 years
24+
Years in Business
35
Customer Reviews
93 mi
Service Area
11-50
Employees
SurgePV Score
About Full Spectrum Solar
Full Spectrum Solar is a family-owned solar energy contractor founded in 2002 by lead engineer Burke O’Neal and his brother, Master Plumber Mark O’Neal. Headquartered at 1240 East Washington Avenue in Madison, the company also maintains a Waukesha office to serve southeastern Wisconsin.
Full Spectrum Solar is among the most highly credentialed solar contractors in the Midwest, with a Master Plumber, Master Electrician, and four degreed engineers on staff. The company holds NABCEP Design and Installation Certificates as well as certifications from SMA Industries, Fronius, Enphase Energy, Generac, and the Midwest Renewable Energy Association. Full Spectrum is licensed as both an electrical contractor and HVAC contractor in Wisconsin.
The company installs solar electric (photovoltaic) and solar water heating systems for homeowners, businesses, public authorities, and organizations across Madison, Waukesha, Milwaukee, and southern Wisconsin. Full Spectrum Solar has served the Wisconsin market for over 20 years and maintains a 4.9-star customer rating.
Service Area
Full Spectrum Solar serves the following areas within a 93-mile radius:
Contact Information
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Services Offered
Certifications & Accreditations
Partner Manufacturers
Inverters
Warranty Coverage
25 years
12 years
10 years
What to Expect: Solar Installation Process
Initial Consultation
Free site survey and system design
Quote & Design
Detailed proposal with costs and savings
Installation
Panels, inverter, and wiring (1-3 days)
Inspection
City inspection and utility interconnection approval
Go Live
Utility grants PTO, system goes live
Customer Reviews
4.9
35 reviews
Michael T.
Full Spectrum Solar was on time, on budget, and they cleaned up the work site perfectly. Their engineering expertise shows in every detail of the installation.
Jennifer H.
Working with Full Spectrum was a great experience. Their team of engineers designed the perfect system for our home and the installation was flawless.
Robert S.
Highly credentialed team with deep knowledge. They answered all our technical questions and the system has been performing above expectations since day one.
Frequently Asked Questions About Full Spectrum Solar
What services does Full Spectrum Solar offer?
Full Spectrum Solar offers Solar Installation, Solar Design, Battery Storage, Maintenance, Monitoring.
Is Full Spectrum Solar NABCEP certified?
Yes, Full Spectrum Solar is NABCEP certified and also holds HVAC Licensed, Electrical Contractor Licensed certifications. NABCEP certification is the gold standard for solar professionals in the United States.
What areas does Full Spectrum Solar serve?
Full Spectrum Solar serves Madison, Waukesha, Milwaukee, Middleton, Sun Prairie, Fitchburg. They are based in Madison with a service radius of 150 km.
What warranty does Full Spectrum Solar offer?
Full Spectrum Solar offers 25-year panel warranty, 12-year inverter warranty, and 10-year installation/workmanship warranty.
How are Full Spectrum Solar's customer reviews?
Full Spectrum Solar has a 4.9/5 rating based on 35 customer reviews. Customers consistently rate them highly.
How long has Full Spectrum Solar been in business?
Full Spectrum Solar was founded in 2002 and has been in business for 24 years. They are one of the more experienced solar installers in their area.
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