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Air Sealing

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Radiant Barrier

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Company Awards
We are one of 50 contractors enrolled in Long Island Power Authority's (LIPA) Home Performance with ENERGY STAR® Program for... [Read more]
The Dr. Energy Saver Network was recognized as the recipient of the silver Connecticut Quality Improvement Award Innovation Prize for... [Read more]
More Awards

Farmingdale, NY's Trusted Spray Foam and Attic Insulation Company

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Improving The Comfort & Energy Efficiency of  Nassau County Homes

At Green Homes Long Island we are the local home energy conservation experts in all of Long Island. Our company's highly trained certified contractors specialize in home energy audits, energy efficiency inspections and residential insulation upgrades.

Dr. Energy Saver Long Island is an authorized franchisee of the nationally renowned Dr. Energy Saver network of the best energy-conservation contractors across the country. We are not just a contractor company because we specialize in helping you understand your home's current energy efficiency, suggest repairs, and we also do the work! You'll receive the maximum energy and cost-saving results with least amount of hassle.

Farmingdale, NY Home Energy Savings & Evaluation Contractor

We offer homeowners a wide variety of energy and insulation services that were scientifically designed to lessen your home's carbon footprint and save energy and money each month! We offer it all, from air sealing to ductwork to insulation and much more!

At Dr. Energy Saver, we not only test and provide an evaluation of your home's energy usage, but we will provide and assessment and prioritize the proper repairs. You'll know which ones will save you the most energy and why. This will also help direct you in making the best decision for you and your family.

  • Attic Insulation
  • Blown-in Insulation
  • Cellulose Insulation
  • Rigid & Injection Foam Insulation
  • Crawl Space Insulation 
  • Basement Insulation
  • Wall Insulation
  • Ice Damming & Icicle Prevention
  • Weatherization
  • Blower Door Testing
  • Spray Foam Insulation
  • Ductwork Cleaning & Sealing
  • Home Energy Audits
  • Skylight, Window and Door Replacement 
  • Radiant Barrier Installation
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