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Expert Spray Foam Insulation & Home Energy Audit Company Serving Nassau & Suffolk County, LI

Why Choose Us?

  • Experienced contractors serving local homeowners for more than 50 years
  • Certified and fully trained on the latest home energy practices
  • Whole-house insulation solutions and quality insulation materials
  • Free Estimates for all of our energy-saving services

Dr. Energy Saver has more than 50 years of experience as a home insulation and energy improvement contractor serving  Nassau and Suffolk County . We specialize in solutions that can help improve and maintain the comfort in your home and potentially reduce your heating and cooling costs significantly.

Most homeowners start with our home energy audit, a comprehensive inspection and evaluation of a home's energy systems. With our home energy assessment, our energy specialists can determine where your home is wasting energy and where improvements can be made.

Based on this assessment, we can then suggest the best insulation material for your home. Our goal is to make sure you get the greatest return on your energy-saving investment.

What are the symptoms of poor insulation?

If you are experiencing any or all of these symptoms, you've come to the right place. We install and upgrade insulation solutions for the whole house, including basement, crawl space, attic insulation and more. Check out our services below to learn more about how we can help your home.

Our Services

Spray Foam Insulation

Lower your heating & cooling bills with our spray foam insulation services.

Attic Insulation

Upgrading attic insulation is usually a top priority for improving comfort & energy efficiency.

Air Sealing

Sealing leaks in a home’s building envelope can eliminate cold drafts and help insulation work more effectively.

Basement Insulation

Improve comfort, energy efficiency & air quality throughout the home with this important insulation upgrade.

Crawlspace Insulation

Insulating & sealing the crawl space will improve home comfort and indoor air quality.

Home Insulation

Insulated and air-sealed attics, walls, garage floors, and crawl spaces can greatly reduce wasted energy.


Improve the performance of your HVAC system with properly sealed and insulated ducts.

Energy Audit

A home energy audit is a way to properly pinpoint the exact sources of your energy and home comfort concerns.

Finding the solution to your home energy problems starts here
Schedule a Free Estimate

We work throughout Long Island, including Huntington Station, Oyster Bay, Islip, Brookhaven, Massapequa, Hempstead and surrounding areas. Contact Dr. Energy Saver today for a Free Estimate for home insulation and air sealing. If you are unsure of where to begin, our home energy assessment can help determine the right path for solving your home's energy problems.

We can pinpoint energy problems & offer custom energy saving solutions

As a homeowner in New York, you are probably used to dealing with hot temperatures in the summer and cool temperatures in the winter months. But if you find yourself struggling to keep your home at a consistently comfortable temperature, it might to time to repair your home’s energy systems.

While you might already be aware that your home is wasting energy and causing the cost of your utility bill to rise, most homeowners are not able to recognize all of the ways that energy problems might be affecting their home. We have just the right solutions to increase the comfort level and energy efficiency of your NY home. 

We can also provide an energy profile to show you where improvements can be made so that you can get the most out of your home energy repairs!

Schedule a home energy audit in New York

Proper insulation and air sealing can make your home more comfortable, reduce heating & cooling costs and increase the value of your home.

The right insulation can improve home comfort and lower energy costs

Dr. Energy Saver is your expert energy saving company, offering services and solutions to save you money and energy. Our energy saving solutions include home energy audit, home insulation services, air sealing, duct sealing and cleaning, crawl space insulation and more.

Contact us today to schedule a home energy audit or free cost quote in Islip, Brookhaven, Hempstead, Oyster Bay, Huntington Station, Massapequa, Bay Shore, Babylon, Valley Stream, Huntington, Smithtown, Old Westbury, Brentwood, Manhasset and nearby areas.

Looking for a price? Get a no cost, no obligation free estimate.

Serving Long Island, NY
Our New York Service Area