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Furnace Replacement Cost in Central Islip, NY
Detailed pricing guide with local market adjustments and material comparisons
Central Islip Average
$2,444–$6,842
Market Tier
Small City
Cost Breakdown
Furnace Replacement Cost in Central Islip
Small CityLowAverageHigh
$2,444$4,643$6,842
Market Tier
Small City (0.85x)
Small city with below-average costs
Climate Adjustment
1.15x
Based on local climate conditions
Material Cost Comparison
Furnace unit(Budget)
$1,833–$5,132Vent pipe(Mid-Range)
$2,444–$6,842Gas connector(Premium)
$3,422–$9,579Factors that affect your cost
- Furnace size (BTU capacity)
- Efficiency rating (AFUE)
- Gas vs electric
- Single-stage vs two-stage vs modulating
- Ductwork modifications
- Venting changes (standard vs high-efficiency)
- Permit and inspection fees
Get Quotes in Central Islip
Neptune Air Conditioning
New York, NY
(646) 863-2132
New York Air Conditioners
New York, NY
(646) 692-0033Founding Member
Premium spot in Central Islip
Ambassador
Lead the Central Islip community
Founding Member
Premium spot in Central Islip
Central Islip Housing Market
Median Home Price
$599,000
Homes for Sale
33
Price per Sq Ft
$448
Local Pros
540
Home Service Professionals Near Central Islip
multimedia_specialist 79Landscapers 76Cleaners 70Movers 68Stagers 66Flooring 61Inspectors 60lender 60
Median Household Income
$110,166
Median Home Value
$405,000
Median Rent
$2,106/mo
Homeownership Rate
77.1%
Population
37,751
Median Year Built
1969
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track Your Costs
Replacement
Furnace Replacement
Date
April 2026
Cost
$4,643
Vendor
Your local pro
Warranty
10-year material warranty
Central Islip average: $2,444–$6,842
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Furnace unitVent pipeGas connectorCondensate line (high-efficiency)
Warranty Details
10-year material warranty
Auto-Checkup Created
"Furnace Inspection" — every 12 months
Added by youApril 2026
Property Health Score
Good
87
hvac category +18 pts(69 → 87)
Documentation19/25
Maintenance20/25
Warranty22/25
Investment21/25
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
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J&R Home Services
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4.7(23)
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Category:HVAC technician
Date:2026-04-04
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Cost FAQ
What is the average cost of furnace replacement in Central Islip?
The average cost of furnace replacement in Central Islip, NY ranges from $2,444 to $6,842. The final price depends on Furnace size (BTU capacity), Efficiency rating (AFUE), Gas vs electric.
What factors affect furnace replacement cost?
Key factors include: Furnace size (BTU capacity), Efficiency rating (AFUE), Gas vs electric, Single-stage vs two-stage vs modulating, Ductwork modifications, Venting changes (standard vs high-efficiency), Permit and inspection fees. In Central Islip, local labor rates and material availability also influence pricing.
How do I get accurate quotes for furnace replacement in Central Islip?
Get at least 3 quotes from licensed professionals in Central Islip. Use Fizbo SmartSearch to find and compare local hvacs, read reviews, and request estimates — all in one place.