Long Island · Boiler
Boiler Installation in Long Island
The right boiler, sized and installed right. Serving homeowners throughout Long Island, from Hempstead to Port Washington.
Long Island's postwar single-family developments and larger suburban lots bring a different set of common calls than the five boroughs — think oil-to-gas boiler conversions and well-established septic-adjacent sewer questions in eastern Suffolk. Predominantly postwar single-family suburban homes on larger lots across Nassau and Suffolk County, with a mix of municipal and septic-adjacent systems further east. When it comes to boiler installation, that context shapes how we approach every job in Long Island — from the tools we bring to the diagnostic steps we take first.
New York homes range from narrow rowhouses to detached Long Island properties, and boiler sizing has to account for square footage, insulation, radiator count, and domestic hot water demand. An installation done by eye rather than by calculation is one of the most common causes of high fuel bills and uneven heat. In Long Island specifically, we regularly see oil-to-gas boiler conversions in original postwar homes and longer sewer and water line runs on larger suburban lots, both of which factor into how we diagnose and price boiler installation calls in the area.
Warning Signs
Signs You Need Boiler Installation in Long Island
Replacing a boiler older than 15-20 years
Adding heat to a finished basement, addition, or ADU
Converting from oil to high-efficiency gas
Persistent uneven heating that repairs haven't resolved
Our Process
How It Works
Home heat-load assessment
We calculate the correct BTU output for your home's size, insulation, and radiator layout.
System design
We select the boiler type (steam, hot-water, combi) and plan venting, piping, and controls.
Professional installation
Work is performed to local code with permits and inspections handled as required.
Commissioning & training
We test the full system and walk you through thermostat and maintenance basics.
Coverage
Long Island Neighborhoods We Serve
Our Work
Before & After
Before: Boiler Installation in Long Island
After: Boiler Installation in Long Island
Reviews
What Long Island Homeowners Say
“I had a leak in my living room ceiling and couldn't figure out where it was coming from. Keon and his employee showed up quickly after I reached out. They were professional, patient, and took the time to explain everything to me.”
Lisa B.
Brooklyn, NY · Pipe Repair
“Worked on the complicated pipes in our 125-year-old home. We were satisfied with the work and would hire again.”
Makeba D.
Brooklyn, NY · Pipe Repair
“Keon was able to come the same day. He was very meticulous pinpointing the issue and tried to be as minimally invasive as possible.”
Elias Z.
Brooklyn, NY · Pipe Repair
FAQ
Frequently Asked Questions
Most residential replacements are completed in one to two days depending on venting and piping changes required.
Sizing depends on square footage, insulation, radiator count, and hot water demand — we calculate this on-site rather than guessing from the old unit's rating.
Yes, our teams regularly install in narrow rowhouses, brownstones, and multi-unit buildings across NYC with tight mechanical rooms.
Where permitting is required, work is coordinated through appropriately licensed partner professionals in accordance with local regulations.
Yes, we serve homeowners across Long Island, including Hempstead, Garden City, Levittown, Huntington, and every neighborhood in between.
Related Services
Other Services in Long Island
From the Blog
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