Home Efficiency Improvements.

Blown-in Insulation Home efficiency improvements can include everything from the boiler in your basement to the air sealing in your attic. And those smart improvements can solve everything from moisture problems to energy waste and beyond. We look at the relationship between a building's various components to improve potential indoor air quality problems and a slew of other safety issues. The result is a home that is durable, comfortable, healthy, and energy efficient.

Green Teams's experienced professionals can handle all aspects that affect your home's thermal envelope—from installing windows and doors to restoring siding and interior finish work.

  • Insulation
  • Air sealing
  • Ventilation improvements
  • Window and door replacements
  • Tankless water heaters
  • High-efficiency furnaces and boilers
  • Lighting and electric load improvements
  • Renewable energy (including photovoltaic (PV) and solar thermal, through our partners
  • Green renovations

Call Today for a Free Consult

Green Team LI provides expert & professional attic, basement, & wall insulation contracting services. The insulation in your home is one of the most critical pieces of overall energy efficiency. Green Team LI can help you improve your home's insulation, remove existing insulation, or install new insulation in your home's attic, basement, and walls.

Call us today at 631-201-8714


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Tina, St. James

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.