A more energy efficient home at little to no cost!

A more energy efficient home at little to no cost!

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Rebates & Incentives

One of the key features of the Inflation Reduction Act is its provision of financial incentives to homeowners who undertake energy-efficient upgrades. These incentives include tax credits, rebates, grants, or low-interest loans.

Learn more About Rebates & Incentives

Heating and cooling installation and Service

Poorly performing furnaces and cooling equipment don’t just affect your indoor comfort but can hurt your indoor air quality as well. From saving money with energy efficient heating and cooling upgrades to making your indoor air healthier to breathe, Green Team LI offers HVAC services to meet your Long Island home’s needs.

LEarn about Green Team LI’s home HVAC services

Home Efficiency Services

If your Nassau, Queens or Suffolk county home suffers from hot summers and frigid winters, it is likely underinsulated! With our home efficiency services, Green Team LI can improve your indoor comfort and reduce your monthly energy bill. Starting with a free energy audit, Green Team LI will diagnose your house’s problem areas and recommend the right home improvements for you, whether it’s air sealing your attic or adding spray foam insulation in your basement.

Learn how our home efficiency services can help you

Solar Services from Green Team LI

Tired of paying high electricity bills every month?  Solar has never been more affordable for homeowners than it is right now.  Huge rebates and incentives are available whether you purchase or lease a solar system.  Every energy audit we perform includes a solar analysis, so find out if your home qualifies!

Learn more about solar services

A DOE home improvement expert partner

Trust your home improvement projects to Long Island’s accredited professionals.

Read more about our expertise

Why SUNPOWER with Green Team LI

Learn how SunPower’s industry-leading solar panel systems can benefit your home.

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Green Team LI has your whole home in mind

Our team of building science experts takes a holistic approach to every job. That’s why we’re Long Island’s only solar installation company that’s also a Home Performance with ENERGY STAR contractor.


By solving whole house issues instead of putting bandaids on problem areas, we help you achieve year-round comfort.

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With renewable energy systems like solar, your home has a lower carbon footprint and saves you money at the same time.

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Green Team LI helps you take control of your home’s air, ensuring that you’re breathing healthy air year-round.

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Get in touch with Green Team LI today!

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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.

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

East Northport

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

Huntington NY

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

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