Boiler Replacement Long Island

When your boiler becomes unreliable or inefficient, replacement may be the safest and most cost-effective option. At AJ Services, we help Long Island homeowners upgrade to modern, energy-efficient boilers that keep your home warm and your utility bills low.

Whether you’re replacing an old system or planning a full heating upgrade, our team offers honest guidance, expert installation, and ongoing support—so you can feel confident from the first call to the final test.

Boiler Replacement in Basement

Signs It’s Time to Replace Your Boiler

Frequent Breakdowns: If you're constantly calling for repairs, it may be more affordable in the long run to install a new system.
Inconsistent Heating: Cold spots, uneven heat, or rooms that never warm up can point to a failing boiler that’s no longer keeping up.
Rising Energy Bills: Older systems often lose efficiency over time. A new boiler can help lower your monthly heating costs.
Leaking or Corrosion: Water leaks, rust, and corrosion are signs your boiler may be nearing the end of its lifespan.
Age of the System: Most boilers last 15–20 years. If yours is reaching that range, a proactive replacement can help avoid emergencies down the line.

Our Boiler Replacement Process

Step 1 – Inspection & Evaluation

We start with a detailed assessment of your existing boiler and heating needs. You’ll get straightforward advice on whether replacement makes sense—and which system fits your home best.

Step 2 – Transparent Quote

We provide a clear, itemized estimate with no upsells or hidden fees. Just honest pricing from a team you can trust.

Step 3 – Expert Installation

Our licensed techs remove the old unit and install your new boiler quickly, cleanly, and to local code. We handle everything, from venting to permits.

Step 4 – Testing & Walkthrough

Before we leave, we make sure your new system is working perfectly. We’ll show you how to use your controls and answer any questions.

Why Choose AJ Services for Boiler Replacement?

Experienced & Certified: We’ve been installing boilers on Long Island for over 20 years. Our team is certified to install both gas and oil systems of all major brands.
No Pressure, Just Answers: We’ll walk you through your options, explain the pros and cons, and recommend what we’d do in your shoes.
Energy-Efficient Solutions: We install high-efficiency boilers designed to reduce your carbon footprint and save you money over time.
Professional, Clean Installations: We treat your home like our own—always respectful, tidy, and detail-oriented.
photo of Ben the lead Master Plumber in Bellmore

Serving Nassau & Suffolk with 24/7 Emergency Plumbing

Based in Bellmore, AJ Services provides professional boiler replacement services across Long Island. With deep local experience and a reputation for precision, we help homeowners upgrade to modern, energy-efficient heating systems with minimal disruption and maximum care. Whether your old boiler has failed or you’re planning ahead, we’re here to deliver lasting comfort you can count on.

A Boiler Replacement Company You Can Rely On

We will guide you to choosing the right boiler for your home, and install it to last it’s expected lifetime. Get in touch today to discuss your options. 

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Service Areas

Amityville
Atlantic Beach
Babylon
Baldwin
Bay Shore
Bayport
Bayville
Bellmore
Bethpage
Blue Point
Bohemia
Brentwood
Brightwaters
Brookville
Cedarhurst
Centerport
Cold Spring Harbor
Commack
Coram
Deer Park
Dix Hills
East Hills
East Islip
East Meadow
East Northport
East Rockaway
Elmont
Farmingdale
Farmingville
Floral Park
Franklin Square
Freeport
Garden City
Garden City Park
Glen Cove
Glen Head
Glen Neck
Great River
Greenlawn
Hauppauge
Hempstead
Hewlett
Hicksville
Holbrook
Holtsville
Huntington
Huntington Station
Inwood
Islandia
Island Park
Islip
Jericho
Kings Park
Lake Grove
Lake Success
Laurel Hollow
Lawrence
Levittown
Lido Beach
Lindenhurst
Lloyd Harbor
Locust Valley
Long Beach
Lynbrook
Malverne
Manhasset
Massapequa
Medford
Melville
Merrick
Mineola
Muttontown
Nesconset
New Hyde Park
Nissequogue
North Babylon
North Bellmore
Oakdale
Oceanside
Old Bethpage
Old Brookville
Old Westbury
Oyster Bay
Patchogue
Plainedge
Plainview
Point Lookout
Port Jefferson
Port Jefferson Station
Port Washington
Ronkonkoma
Roosevelt
Roslyn
Roslyn Heights
Sands Point
Sayville
Sea Cliff
Seaford
Setauket
Smithtown
St. James
Stony Brook
Syosset
Uniondale
Valley Stream
Wantagh
West Babylon
West Westbury
West Hempstead
West Islip
Wheatley Heights
Woodbury
Woodmere