Schedule Your Free Energy Audit Today!

Our energy audit tests show exactly where and how home upgrades could be saving you money.

Home Efficiency Services

UPGRADE YOUR HOME WITH GREEN TEAM

Green Team is Long Island’s premier provider of home comfort and energy efficiency solutions. We help local homeowners in Nassau and Suffolk counties increase energy bill savings and improve their overall home health with services including:

Cellulose & Spray Foam Insulation
Air Sealing & Weatherization
Energy Audits
Building Envelope Work

NYSERDA & PSEG LI Home Performance Partners

Certified home efficiency contractors are held to the highest standards of quality and building science. Green Team’s many partnerships and certifications mean we have the training and expertise to identify and execute upgrades that will decrease energy use and improve your home comfort. Choosing a company with Green Team Long Island’s credentials can:

Improve Your Home’s Comfort
Maximize Your Energy Efficiency Savings
Utilize Cutting Edge Building Science Expertise
Increase Your Home’s Resale Value (with Pearl Certification)

Certifications

FREE HOME ENERGY AUDITS

Our detailed on-site home evaluations identify which upgrades will most benefit you.

INSULATION AND AIR SEALING

Upgrade your insulation and air sealing to lower your energy bills and improve home comfort.

EXPERT HEATING AND COOLING

HVAC installation, repair, and maintenance saves you money and can make your home healthier.

FINANCING AND INCENTIVES

With rebates and low-interest loans, home improvement work has never been more affordable.

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GREEN TEAM’S ENERGY AUDITS

Find out which home improvements will make the biggest difference to your home.

Schedule Now

Worker applying blown cellulose insulation

INSULATION AND AIR SEALING

Take control over your indoor temperatures, by upgrading your insulation and sealing up air leaks.

Learn More

Looking for lower energy bills and a more comfortable, healthy home?

Schedule your FREE Green Team energy audit or solar analysis today.

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By submitting, you authorize Green Team LI to reach out via phone, email, or text for information about your project needs. We will never share your personal information with 3rd parties for marketing purposes or spam you. You can opt out at any time. Message/data rates apply. Consent is not a condition of purchase. | Privacy Policy

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

Take advantage of the Home Performance with ENERGY STAR program and cut your energy costs by as much as 40%!

Contact us today to learn about this and other rebates and incentives that may be available for your home performance or solar project.

Learn More About Rebates & Incentives

Schedule Your Free Energy Audit Today!

Home Efficiency Services

UPGRADE YOUR HOME WITH GREEN TEAM

NYSERDA & PSEG LI Home Performance Partners

FREE HOME ENERGY AUDITS

INSULATION AND AIR SEALING

EXPERT HEATING AND COOLING

FINANCING AND INCENTIVES

GREEN TEAM’S ENERGY AUDITS

INSULATION AND AIR SEALING

Schedule your FREE Green Team energy audit or solar analysis today.

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

Rebates & Incentives

Home efficiency services

Energy Audits

Insulation

Heating & Cooling Services

Heating, Ventilation & AC

HVAC Maintenance & Service Agreements

Solar services