Fast, certified Navien service in Franklin Square and throughout Nassau County. Authorized repair, service and installation — licensed, insured and available 24 hours a day, 7 days a week.
Need trusted Navien combi-boiler repair, service and installation in Franklin Square? As Franklin Square's authorized Navien installer, our certified technicians handle everything from a 2 a.m. no-heat emergency to a full high-efficiency system upgrade — always protecting your manufacturer warranty. We're proud to serve Franklin Square, Nassau County, and neighboring communities like Albertson, Hempstead, Oceanside.
Fast, certified diagnosis and repair — emergency no-heat and no-hot-water calls answered 24/7.
Annual tune-ups and flushes that protect efficiency, prevent breakdowns and keep your warranty valid.
Authorized Navien installation sized right for your home — clean, code-compliant and warranty-protected.
Franklin Square is a close-knit central-Nassau hamlet known for its family neighborhoods and community-focused downtown. With everything from historic homes to newer construction, Franklin Square households have a wide range of heating and hot-water needs — and Navien's high-efficiency condensing systems are an ideal fit. Our authorized, Long Island–based technicians know Franklin Square and Nassau County well, and we're on call 24 hours a day, 7 days a week for anything from an emergency no-heat call to a full high-efficiency upgrade. We're proud to serve Franklin Square and neighboring Albertson, Hempstead, Oceanside.
Up to 95% AFUE from one unit that handles both heat and hot water — high performance, lower bills.
A stainless steel heat exchanger and compact wall-hung design that saves up to 80% of the space.
Wi-Fi connectivity and an easy-to-use control interface.
Whole-home heat and on-demand hot water that never runs out — from a single unit.
A Navien combi-boiler supplies both central heating and on-demand domestic hot water from a single wall-hung unit — enough hydronic heat for a whole house plus hot water that never runs out. It's the space-saving upgrade Long Island homeowners love.
Compared with a floor-standing boiler paired with a separate hot-water tank, a Navien combi-boiler takes roughly 80% less space — freeing up your basement or utility closet while delivering higher efficiency.
Need more capacity? Navien combi-boilers can be cascaded with a Navien NPE tankless water heater for extraordinarily large hot-water demand — ideal for big homes, multi-bath households and light commercial use.
Up to 95% AFUE, ENERGY STAR certified and backed by up to a 10-year heat-exchanger warranty, with an elegant, clean appearance and easy-to-use controls — a smart choice whether you're replacing old equipment or building new.
Browse the complete Navien catalog with model numbers and specs, then call us for expert sizing and a free quote.
From first call to final check, we make Navien service easy.
Reach us 24/7 by phone or the online form. Tell us your Navien model and what's happening.
A certified tech pinpoints the issue fast and explains your options with straightforward pricing.
We complete the repair, service or installation neatly — protecting your manufacturer warranty.
We confirm everything's running right and set you up for worry-free heat and hot water.
Upgrade to a high-efficiency Navien system now and pay over time — with no interest. Ask us about flexible financing on qualifying repairs and installations.
Repair, service and installation for every Navien system — right here in Franklin Square.
Local Navien repair, service and installation across Nassau County and beyond.
I have nothing but good things to say about this company and their employees! I needed emergency service at 4am and they responded within a half hour! And even at that early morning hour they were pleasant and efficient! I have since signed up for a service contract with them and am confident that the excellent service will continue.
Used them for over 6 years. Very neat professional installation and when I did have a problem they have been very responsive. Brian and his crew are professional and easy to deal with. Highly recommend!
I have been using this company for years and have recommended them to all my friends and family that needed this type of service. Have not had one person complain I gave them a bad recommendation. Great company - Great Service - Great Workers!
Tell us what you need and we'll get right back to you. No heat or hot water? Check the emergency box and call now.