About Us

Home Energy Audits on Long Island, NY

We’re not your typical contractor. Green Team LI was founded by engineers, architects and builders. We offer homeowners the most modern, science based home energy evaluations. Our specialists have the knowledge and experience to make your home more comfortable, healthier and energy efficient.

Our Certifications

A certified energy auditing company
Licensed and insured
BPI Gold Star contractor
NYSERDA accredited contractor
PSEG-Long Island accredited contractor
ConEd accredited contractor
BBB A+ rated
4.8 Google review rating

Apply for your free home energy assessment

From PSEG Long Island and Green Team LI!

844-370-3322

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Green Team LI is proud to be the national winner of Energy Star’s Contractor of the Year, four years in a row

Find out what actual Green Team LI customers have to say about us:

I signed up for an audit at the Smithtown Day festival. They came and did the audit and were very nice. They insulated my attic and changed all my light bulbs. I can’t wait to see my savings this winter.

Tina

St. James

I must admit that when I completed the LIPA energy audit and found out that an outside company will be doing the audit, I was skeptical. But, as an energy conscious consumer I kept an open mind. My doubts dissapeared from the first contact with your company.I am a businessman ... Read More

Zev

East Northport

This company is efficient and professional. Working with everyone involved was a pleasure.

Rose-Marie

Huntington NY

The workmen were very neat and precise. I was very satisfied. My heating bill is lower by 25%.

Shirlee

East Northport NY

Green Team LI can help you save big on all your home projects

With all of the rebates and incentives available to New York residents, upgrading the energy efficiency of your home has never been more affordable. From tax and utility incentives to state-subsidized low interest financing, Green Team LI can help you qualify for home performance savings.

Green Team LI Can Help You

Save big

On Your Efficiency Project