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Boiler Installation cost in Long Island, NY

Long Island homeowners typically pay $5,850 – $14,300 for boiler installation. Local labor and materials price 30% above the national average.

Long Island average

$10,100

Typical low

$5,850

Typical high

$14,300

Per system

$5,850 – $14,300

Sample ZIP

11530

What drives Long Island pricing

Local labor

Nassau and Suffolk crews are busy year round with premium suburban pricing.

Permits & code

Town-level permits vary widely and can be slow.

Climate & conditions

Coastal wind zones and nor easters affect roofing and siding.

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2 systems

Estimated project cost

$11,875 $16,245

Most homeowners pay around $14,060

Compare quality / material level

Cost by material in Long Island

Installed Long Island pricing per system.

OptionInstalled cost
Standard efficiency gas boiler$6,250 – $8,550
High-efficiency condensing boiler$8,550 – $11,300
Combi boiler with domestic hot water$11,300 – $14,600
Cast iron / high-capacity boiler$14,600 – $20,200

Where the money goes in Long Island

A typical $10,100 Long Island project, broken down by line item.

  • Labor0.45% · $45
  • Materials0.38% · $38
  • Permits & inspections0.05% · $5
  • Overhead & profit0.12% · $12

Common add-ons

Extras that show up on Long Island quotes but rarely in the headline price.

New circulator pumps

$390 – $1,150

Chimney liner

$1,050 – $3,250

Zone valves and controls

$520 – $2,350

Old boiler removal

$390 – $1,150

Ways to save in Long Island

  • Look for high-efficiency rebates from your gas utility.
  • Replace in summer when boiler installers have open schedules.
  • Collect three written bids on an identical scope — spreads of 20–40% are normal.
  • Book in the off-season and stay flexible on the start date to save 5–15%.
  • Bundle nearby work into one mobilization so you only pay setup and travel once.
  • Ask what the contractor would change to cut 10% without hurting durability.

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