Tired of running out of hot water or wasting space on a bulky tank? Tankless water heaters offer a smarter solution—delivering hot water on demand, saving energy, and freeing up valuable space in your home or business.
At AJ Services, we specialize in the installation, maintenance, and repair of tankless water heaters across Long Island. Backed by multiple manufacturer certifications and over 20 years of plumbing and heating experience, we provide expert-level service tailored to your needs.
Switching from a tank to a tankless? We handle the full process—from selecting the right unit and upgrading your plumbing or gas lines to expert installation and code compliance.
If your current system is showing error codes, won’t ignite, or delivers inconsistent temperatures, we’ll diagnose and fix the issue fast.
Regular flushing and descaling are essential to protect your investment. We provide scheduled maintenance to extend the life and performance of your system.
We’ll evaluate your usage and space to recommend the perfect replacement if your current unit is outdated or undersized.
From our base in Wantagh, we proudly serve homeowners and businesses across Nassau and Suffolk Counties—including Massapequa, Garden City, Huntington, Hempstead, Babylon, Patchogue, and surrounding towns.
Whether it’s a brand-new system or a quick repair, you can count on us for expert, efficient service every time.
Make the switch to reliable, energy-efficient hot water today. Contact AJ Services to schedule your tankless water heater consultation—we’ll walk you through your options, help you choose the right system, and install it with certified precision.
Our emergency phone line is 24/7.
Appointments are scheduled from 8-5 Monday through Friday, except for emergencies
Phone: 516-807-8700
Address: 279 Duckpond Dr S, Wantagh, NY 11793