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Marran Oil

Marran has been designing, installing and servicing central air conditioning and heating systems for decades. Check out more information on our Marran Oil site today.



Marran has always stood for outstanding mechanical design, installation and service. These qualities apply equally well to our home security solutions. Whether you choose our entry-level system or the most advanced security solution, Marran stays up all night making sure your home is safe and secure, so you don’t have to.

Keeping Homes Safe in Nassau and Suffolk Counties

The Marran Name Comes with Years of Proven Results

For five generations and over 120 years Marran has helped Long Islanders meet their home energy needs. Today, Marran combines top of the line technology with expert design, installation, and service. We provide the most cost effective alarm systems available to keep you and your loved ones save and sound. From outdoor cameras, to flood and fire alarms, we'll make sure your home is fully equipped no matter the size or location. For more information about our home security systems in the Nassau, Suffolk, and surrounding areas, contact us at 631-475-4900 today!

Switch your service and save some money!

By now, most residential homes have some sort of security system installed. However, we know that there is always room for improvement, especially with the ever-changing digital age. Marran Security, conveniently located in Holtsville, NY, services all of the Long Island and surrounding areas for all of their home security needs, and will even transfer services over for cheap! For only $24.99 a month, you can have Marran's central monitoring service and save over $910. For more information about this process, call us today, or schedule an appointment with us online.

We'll follow up so you don't have to worry

Because we've been in the area for so long, there's a chance that you've worked with us before. However, if you're a new customer, you should know that we're all about the follow-up and follow-through. We're firm believers that a happy customer is one who is knowledgeable about the process and understands what product he or she is receiving. As our expert team installs your system, you'll know precisely what's going on.

For more information about any of our products, we invite you to browse our website. If you have any further questions, or would like to schedule an installation, call us at 631-475-4900.

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