GreenSeal Oil Tank Service is a trusted provider of heating oil tank solutions on Long Island. The company offers a variety of services including oil tank installations, removals, and abandonment. Customers appreciate their quick response, often able to replace or remove tanks on short notice, even the next day. The team is known for being professional, friendly, and respectful of customers’ homes and properties. Their work is consistently praised for being clean, neat, and efficient, with minimal debris or mess left behind. Many reviews highlight the high level of customer service, with clear explanations throughout the process and attentive staff. GreenSeal’s pricing is considered fair, and the company is organized and easy to work with, making the experience stress-free. Whether replacing old tanks or installing new ones, GreenSeal’s skilled team ensures the job is done right and to customer satisfaction, making them a reliable choice for oil tank needs on Long Island.
Great work and very fair price. Clean, neat, and professional. From the day we walked in the office to ask questions, everyone was extremely helpful and knowledgeable. Highly recommend GreenSeal!!
May 2026
This company has serviced my house twice and I have nothing but good things to say. I want to particularly thank Stacey and Michael for going out of their way to help me with an issue I was having. I would recommend this company to anyone. It's not often you find a company that is so easy to work with. Thanks again!
May 2026
They were super nice, knowledgeable, and got everything done way faster than I expected. The whole process was really easy, the installation was neat and tidy, and everything looks so much better than it did before. You can really tell they care about the work they do. Definitely recommend them if you need an oil tank replacement.
