National Solar Rankings

Eco Three

0BBB Complaints (3yr)Excellent
16*Years in BusinessFounded 2010
73.8/100Overall Score

Detailed Profile

Eco Three has carved out a niche in the Birmingham metro as a sustainability-focused contractor handling solar alongside energy audits, weatherization, and building performance upgrades. Based in Vestavia Hills with 16 years of experience, they take a holistic approach that resonates with homeowners who want more than just panels on a roof.

With a 4.9-star rating from 219 reviews and NABCEP certification, Eco Three earns the third-ranked position in Alabama with a composite score of 73.8 for 2026.

Equipment & Products

Inverters

Tesla

Certifications

NABCEP Certified

Warranty & Guarantees

Production Guarantee
No

Operations

Company Type
Local / Regional

Financing Options

cashloan

Google Reviews (8)

KC

“I got estimates from three companies to insulate the finished portion of my attic space. David was the only estimator who proposed creating barriers to my subfloor, which turned out to be critical...”

Froy B.

“I had Eco Three conduct an energy audit and complete insulation reinforcement. The overall experience was positive. Mr. David was thorough, and the work crew was equally thorough. The completed work...”

Jake P.

“David and his guys did 2 major insulation projects in my attic last week. They were prompt, courteous, professional and efficient. They completed the work in half a day and exactly as promised. No...”

Elsa M.

“David and his team did an outstanding job at my house. The inspection was the most through I've had compared to other similar companies, this allowed for them to provide me with a tailored solution...”

Timothy S.

“When we moved into our house, we knew that the insulation situation wasn't great and would need some work. It was under-insulated throughout--and not at all in some places--and there were noticeable...”

Miller W.

“Had a great experience with David on the energy audit. He laid out a plan with prioritized goals. Very flexible in dividing work into phases, and the air sealing went well. Looking forward to...”

Kelly C.

“We are very satisfied with the results that we got from David and Eco Three. The temperature in our house was a huge problem and after David came and gave us recommendations, the problem was...”

Morgan C.

“We had the best experience with EcoThree! David is very personable, professional, and helpful. The guys were out to do the job in less than 2 weeks after David’s initial visit, and the work only took...”