Water Heater Experts

Welcome to GreenSeal Installations, your premier provider of the best heating and cooling solutions in Suffolk County. We are dedicated to helping our customers make the right choices in equipment for their home or business. Our professional team will walk you through all options available, help you through the selection process, order, deliver and install your new heating or cooling equipment with the pride and excellence as if we were putting it into our own home. From Hot Water Heaters, Boilers and Air Conditioning to all oil tank installations, removals or abandonments.. GreenSeal Installations is Suffolk County's trusted resource for the past 25 years.