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Clean, great-tasting water starts with the right filtration system. We're certified installers of trusted brands like Aqua-Pure and Halo Water Filtration, ensuring your family has access to healthier water from every tap in your Nassau and Suffolk County home.

Hard water can damage your plumbing, appliances, and even your skin. Our professional water softener installation services eliminate mineral buildup and extend the life of your water heater and pipes while making your water gentler for everyday use.

Investing in water treatment is a big decision, and we make the process as smooth as possible. As a National Grid Certified and Naveen Certified Installer with Task 87 Certification, we meet the highest industry standards. Our team is also Halo Water Certified and works with quality manufacturers including A.O. Smith, Bradford White, Rheem, Burnham, and LAARS to bring you the best equipment available.

Our commitment to customer satisfaction goes beyond installation. We back our work with a one-year warranty on parts and labor, giving you peace of mind with every service. As a proud sponsor of the Massapequa International Little League, we're invested in our community and treat every customer like a neighbor. Our bilingual team speaks both English and Spanish, ensuring clear communication throughout your project.

Plumbing and heating emergencies can happen anytime. That's why we offer emergency services for both plumbing and heating issues. We make quality water treatment affordable with financing available and special offers like 10% off any service for new customers and $500 off new boiler installs.

Looking for ongoing protection? Our Sewer Prevention Contract starts at just $29 per month and includes a free annual video inspection plus 15% off all service repairs. We also offer a Heating Service Contract starting at $21 per month with preventative maintenance to keep your system running at peak performance year-round.

Sullivan Plumbing & Heating is a locally and family-owned business that's been delivering reliable services for over 20 years. Our licensed, insured, and certified professionals arrive ready to assess your specific water quality needs and recommend the ideal treatment solution for your household. We stay on the job until you're enjoying cleaner, better water in your home.

Your home deserves better water quality. Need a complete water filtration system, a water softener to tackle hard water problems, or advice on improving your home's water? We're here to help. We provide same-day estimates so you can make informed decisions quickly, and our team works efficiently to minimize disruption to your daily routine.

See what professional water treatment can do for your Nassau and Suffolk County home. From installation to ongoing maintenance, Sullivan Plumbing & Heating delivers the quality service and customer care you deserve. Get in touch with us today to schedule your consultation and take the first step toward healthier, cleaner water for your family.