Licensed & Insured · Free Estimates

Boiler Repair &
Installation
Long Island

Oil & gas boiler repair, maintenance & replacement across Nassau & Suffolk County.

Hot water and steam boilers. All brands serviced. Oil-to-gas conversions available. Free estimates.

Oil & Gas BoilersHot Water & SteamOil-to-Gas ConversionsFree EstimatesLicensed & Insured

Get a Free Boiler Estimate

Or call us directly: (631) 612-6928

0/7
Emergency Service
🛡️
0%
Licensed & Insured
Free
Free Estimates
🚀
0-Hr Response
Fast On-Site Arrival

Quick Answer

What does boiler repair cost on Long Island?

Boiler repair in Nassau and Suffolk County costs $200–$600 for most common issues. Diagnostic calls run $89–$150 (applied toward repair). Major repairs like pump or zone valve replacement range $500–$1,200. New boiler installation starts at $4,000–$8,000 installed.

Boiler Repair Experts on Long Island

Boilers are common in Long Island homes, particularly in older established neighborhoods throughout Nassau and Suffolk County. Whether you have a hot water hydronic system or an older steam boiler, our licensed technicians have the experience to diagnose and repair any issue quickly.

We service all boiler brands and fuel types — from classic oil-fired boilers to modern high-efficiency gas condensing boilers. Our trucks are stocked with common parts for Weil-McLain, Burnham, Peerless, Crown, Slant Fin, and other popular Long Island brands.

Looking to convert from oil to gas? We specialize in oil-to-gas boiler conversions throughout Long Island. Converting can reduce your annual heating costs by 30–50% while improving system reliability and efficiency.

Common Boiler Problems We Fix

  • No heat or hot water from boiler
  • Boiler pressure too high or too low
  • Banging, kettling, or whistling noises
  • Radiators not heating evenly or at all
  • Boiler cycling on and off too frequently
  • Visible water leaks from boiler or pipes
  • Pilot light won't stay lit
  • Zone valves not opening or closing properly
  • Circulator pump failure
  • Expansion tank issues

Boiler Repair FAQs

How much does boiler repair cost on Long Island?

Boiler repair in Nassau and Suffolk County typically costs $200–$600 for common repairs. Diagnostic service calls run $89–$150. Major repairs like pump or zone valve replacement range from $500–$1,200. Boiler replacement starts at $4,000–$8,000 installed.

What are signs my boiler needs repair?

Warning signs include: no heat or hot water, unusual banging or kettling noises, pressure gauge reading too high or too low, visible leaks around the boiler, radiators not heating evenly, pilot light going out, or an increase in heating bills.

Do you repair both hot water and steam boilers?

Yes. We service both hot water (hydronic) boilers and steam boilers throughout Long Island. We work on all brands and fuel types including oil and gas.

What boiler brands do you service on Long Island?

We service all major boiler brands: Weil-McLain, Burnham, Peerless, Crown, Slant Fin, U.S. Boiler Company, Buderus, Viessmann, and more. Both oil and gas boilers in all sizes.

Do you do oil-to-gas boiler conversions on Long Island?

Yes. We specialize in oil-to-gas conversions throughout Nassau and Suffolk County. Converting from oil to natural gas can reduce heating costs by 30–50%. We handle the full conversion including equipment, piping, and permits.

How long does boiler installation take?

A standard boiler replacement typically takes 1–2 days. Oil-to-gas conversions may take 2–3 days depending on the scope. We coordinate all necessary permits and inspections.

We Also Handle Cooling & AC

From central air installation to emergency AC repair — licensed technicians across Nassau & Suffolk County.

View Cooling Services →

Boiler Problem? Call Now.

Same-day boiler repair available across Long Island. Free estimates on replacements and oil-to-gas conversions.

📞 Call (631) 612-6928
Call NowGet Free Estimate