Proudly making it easy for you to install solar panel power on your Long Island home in Nassau and Suffolk County

We Do Solar Simple!

1. Energy Evaluation
1. Energy Evaluation

We show you how much you can save with solar.

2. Solar Survey
2. Solar Survey

We survey for the best position and the highest efficiency.

3. Installation
3. Installation

Solar panel installation takes just 1-2 days.

4. Completion and Use
4. Completion and Use

Enjoy the benefits of clean energy and reduced costs!

Custom Residential Solar Installations

Why Deman Solar?

IMMEDIATE SAVINGS

NO OUT OF POCKET EXPENSES

100% ALWAYS CLEAN ENERGY

WHITE GLOVE SERVICE

INCREASE YOUR HOME VALUE

COMES WITH MONITORING SYSTEM

We Are Channel Partners with the Largest Residential Installers on Long Island

testimonial

“From the very beginning Deman Solar was fully engaged with us from the time we reviewed our utility bills with them, to explaining how the solar panels would replace and stabilize our electricity expense, through the credit process and they were on site for the installation.

They even made sure that we completely understood how the new equipment on the side of our home was working post installation.”

-Ryan and Catherine Salem of Long Beach

Salem Family Install

Latest News

February 26th, 2019

The Eliopolous Family

Our family’s experience with Deman Solar was outstanding. From the moment we began discussions on the project until the finished…

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