Long Island, NY

    Considering Dunkirk boilers for a Long Island home?

    • Exact brand and model fit confirmed before proposal
    • Warranty and current incentive terms reviewed in writing
    • 5.0 Google rating · 93 reviews
    Compare the installation process first? Read our boilers installation guide →
    Rank #14
    Value
    D

    Dunkirk Boiler Review

    4.25/5Our Rating

    Best for: Budget Steam Replacements

    Amy Milani
    Written byAmy Milani
    Blake Ruwali
    Reviewed byBlake Ruwali
    Updated

    September 27, 2026

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    Quick Facts

    Efficiency82-87% AFUE
    Price Range$2,400-$5,000
    Heat Exchanger20 years
    OriginUSA
    Founded1928
    Boiler Types:
    Steam
    Hot Water
    Best For:Budget Steam Replacements
    Top Model:DXL
    Price Range:$2,400-$5,000
    Efficiency:Up to 87% AFUE
    Warranty:20 years
    Official Resources:Dunkirk Website

    Dunkirk offers steam boilers suitable for Long Island's pre-war homes with radiator systems.

    Learn More →

    Is Dunkirk boiler any good?

    Yes — Dunkirk boilers are a strong value pick. Our editorial score is 4.3/5 based on published efficiency, climate fit, warranty, features, and price positioning. Dunkirk is associated with ECR International; confirm the exact model platform, parts path, and coverage rather than assuming they are shared. For a Long Island home, compare the exact matched system and written installation scope because design and commissioning can matter as much as the badge on the equipment.

    Our Review Process

    Ratings are editorial comparison scores—not customer reviews, installation counts, or manufacturer endorsements.

    Dunkirk Boiler Planning for Nassau County & Covered Western Suffolk Areas

    A useful Dunkirk comparison starts with the exact indoor and outdoor model pairing—not the brand name alone. Home+ Air & Heat can review Dunkirk boiler options for homes in our covered Nassau County and western Suffolk service areas, then document whether the proposed equipment, capacity, electrical scope, and installation approach fit the project.

    Before work is authorized, ask for the design method, AHRI match where applicable, installer or dealer qualification required by the manufacturer, registration responsibility, parts coverage, labor coverage, exclusions, and current incentive assumptions in writing. Those details vary by model, project, contractor status, installation date, and current program rules.

    Nassau County & W. SuffolkBrand & Model Fit VerifiedScope & Coverage in Writing

    Dunkirk Boiler Reviews: Our Installer Assessment

    Dunkirk rates 4.3 out of 5 in our value-tier boiler assessment. The scoring reflects build quality, parts availability on Long Island, warranty terms, and how the equipment holds up in the homes we service. It fits best when budget steam replacements. Reviews are only half the picture — sizing and installation quality drive most of the failures we get called to.

    This is Home+ Air & Heat's own editorial assessment as an insured installing contractor, not an average of customer star ratings.

    What reviewers and installers praise

    • • Budget choice for rentals
    • • ECR parts network
    • • Q95M condensing for rebates
    • • XEB Steam for emergencies

    Complaints worth knowing before you buy

    • • Economy build quality
    • • Basic controls
    • • Limited condensing lineup

    How to judge a Dunkirk quote

    • • Ask for the exact model numbers and the load calculation behind the sizing.
    • • Confirm who registers the warranty and what labor coverage is included, in writing.
    • • Check that the installer is qualified for the specific line, not just the brand.
    • • Compare total installed scope — venting, electrical, and permits — not just equipment price.
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    Why We Love Dunkirk

    Dunkirk proves that quality heating doesn't have to break the bank. Here's why we recommend Dunkirk for homeowners who want reliable performance without the premium price.

    Extended Warranty

    20 years heat exchanger warranty shows manufacturer confidence.

    Steam Boiler Experts

    Specialized steam boiler options for Long Island's older homes with radiator systems.

    98+ Years of Excellence

    A legacy of manufacturing excellence and continuous innovation.

    Exceptional Value

    Quality performance without the premium price tag.

    Dunkirk at a Glance

    Performance Scores

    77/100

    Overall Score

    Efficiency39
    Value90
    Durability85
    Steam Ready95

    Key Specifications

    Efficiency Range82-87% AFUE
    Price Range$2,400-$5,000
    Heat Exchanger20 years
    Parts Warranty2 years
    Boiler Types
    steam
    Hot Water

    Ideal Customer

    Great For

    • ✓Pre-war homes with steam radiators
    • ✓Budget-conscious buyers

    Not Ideal For

    • ✗Maximum efficiency seekers
    • ✗Those needing combo heating/hot water

    Our Review

    Dunkirk has manufactured boilers in Western New York since 1928, bringing nearly a century of regional expertise to Nassau County installations. Part of ECR International, they share parts compatibility with Utica and other ECR brands. We install Dunkirk in budget-conscious applications throughout Franklin Square, Elmont, and Valley Stream.

    The XEB Steam series serves as an emergency replacement option when older steam boilers fail mid-winter. ECR network parts availability ensures same-day repairs at most local supply houses. The Q95M condensing model achieves 95% AFUE for homeowners wanting efficiency without premium pricing.

    Dunkirk excels in Cape Cod-sized applications where compact footprints matter. Their sizing options fit smaller basements without the oversizing that wastes energy in shoulder seasons. The 20-year cast iron heat exchanger warranty provides solid protection.

    Our bottom line: Dunkirk delivers budget-friendly New York-made heating with ECR network support. If you need a reliable boiler without premium pricing, Dunkirk offers practical value. The Q95M condensing model qualifies for PSEG rebates while maintaining the parts accessibility that budget-conscious homeowners appreciate.

    — Blake Ruwali, Home+ Air & Heat

    Pros

    • Budget choice for rentals
    • ECR parts network
    • Q95M condensing for rebates
    • XEB Steam for emergencies
    • Good sizing for Cape Cods

    Cons

    • Economy build quality
    • Basic controls
    • Limited condensing lineup

    Top Dunkirk Models

    Dunkirk models with published specifications.

    Flagship
    Dunkirk Q95M
    Flagship
    Condensing
    High Efficiency

    Q95M is Dunkirk's gas condensing boiler with a cast-aluminum heat exchanger.

    Best for: Gas homes moving to condensing hydronic heat with an indirect tank

    View Full Details
    AFUE Efficiency
    95%
    Excellent
    Heat Exchanger
    15-yr limited
    Mid-range
    Royal HE
    95.2% AFUECondensing
    Mid-range
    Royal CO (combi)
    95.2% AFUECombi

    Top Dunkirk Boiler Models

    View All Models

    Dunkirk boiler models with published AFUE, boiler type and typical installed price ranges.

    ⭐ Top Pick
    Flagship
    Dunkirk Q95M

    Model: 80-200 MBH

    condensing
    95% AFUE

    Q95M is Dunkirk's gas condensing boiler with a cast-aluminum heat exchanger.

    Estimated Installed Price:

    Contact for pricing

    Best For

    Gas homes moving to condensing hydronic heat with an indirect tank

    Premium
    Dunkirk DXL

    Model: DXL

    hot-water
    83.5% AFUE

    DXL is an archived Dunkirk cast-iron gas hot-water boiler, replaced by the DXL-K.

    Estimated Installed Price:

    Contact for pricing

    Best For

    Owners of an existing DXL weighing repair against replacement

    Value
    Dunkirk WPSB Series 4

    Model: 75-299 MBH

    steam
    84.1% AFUE

    WPSB Series 4 is a natural-gas cast-iron steam boiler.

    Estimated Installed Price:

    Contact for pricing

    Best For

    Homes retaining steam radiators

    Value
    Dunkirk XEB Series 4

    Model: 42.5-187.5 MBH

    hot-water
    84.4% AFUE

    XEB Series 4 is a cast-iron gas hot-water boiler.

    Estimated Installed Price:

    Contact for pricing

    Best For

    Homes keeping conventional gas hot-water heat

    Value
    Dunkirk Royal HE

    Model: 80-200 MBH

    condensing
    95.2% AFUE

    Royal HE is a gas condensing heating-only boiler.

    Estimated Installed Price:

    Contact for pricing

    Best For

    Homes seeking condensing space heat with optional indirect hot water

    Value
    Dunkirk DXL-K

    Model: 59-235 MBH

    hot-water
    84% AFUE

    DXL-K is a floor-standing natural-gas cast-iron hot-water boiler.

    Estimated Installed Price:

    Contact for pricing

    Best For

    Homes keeping gas hot-water baseboard or radiators

    Value
    Dunkirk Royal CO (combi)

    Model: 80-200 MBH

    combi
    95.2% AFUE

    Royal CO is Dunkirk’s gas condensing combi boiler.

    Estimated Installed Price:

    Contact for pricing

    Best For

    Homes needing hydronic heat and on-demand domestic hot water

    Value
    Dunkirk PSB

    Model: 75-299 MBH

    steam
    82.7% AFUE

    PSB is a natural-gas cast-iron steam boiler.

    Estimated Installed Price:

    Contact for pricing

    Best For

    Gas-steam homes replacing an atmospheric boiler

    *Prices are estimates for Nassau County installations. Actual cost depends on home size, system complexity, and model selection.

    Full Dunkirk boiler lineup

    Every Dunkirk model family we track, with efficiency, size range, heat-exchanger warranty and a link to the manufacturer's data. Discontinued lines are flagged so you know what parts and service support to expect. Installed prices depend on your home, so every install is quoted.

    Dunkirk boiler lineup
    Model Type Fuel AFUE BTU input Heat exchanger warranty Source
    Q95M
    Condensing natural gas/propane 95% 80k–200k 15-yr limited Spec sheet
    DXL
    Discontinued
    Hot water natural gas 83.5% — — Manufacturer
    WPSB Series 4
    Steam natural gas 84.1% 75k–299k 20-yr non-prorated Spec sheet
    XEB Series 4
    Hot water natural gas 84.4% 43k–188k 20-yr non-prorated Spec sheet
    Royal HE
    Condensing natural gas/propane 95.2% 80k–200k 10 years Spec sheet
    DXL-K
    Hot water natural gas 84% 59k–235k 20-yr non-prorated Spec sheet
    Royal CO (combi)
    Combi natural gas/propane 95.2% 80k–200k 10 years Spec sheet
    PSB
    Steam natural gas 82.7% 75k–299k 12-yr limited Spec sheet

    Estimated installed price: $2,400–$5,000. Estimate only, not a verified quote. Installed price varies with the model, your home and the system type, so every install is quoted.

    Home+ services and installs Dunkirk boilers across Nassau County and western Suffolk. See boiler installation, boiler repair, or compare every brand's lineup.

    Dunkirk Warranty Coverage

    Understanding what's covered and how to protect your investment.

    Parts Warranty

    2 years

    Covers major components like controls and pumps

    Heat Exchanger

    20 years

    The heart of your boiler—cast iron or stainless steel

    Labor Coverage

    1 year

    Manufacturer coverage for service calls

    Extended Options

    Available through dealer

    Additional protection beyond standard warranty

    Important Warranty Tips

    • •Confirm the registration deadline in the current warranty document for your exact model
    • •Annual professional maintenance is typically required to maintain warranty
    • •Keep all receipts and service records for warranty claims
    • •Home+ Air & Heat can register your warranty and maintain records for you

    Dunkirk Boiler Costs in Nassau County

    Installed prices for Dunkirk boilers range from $2,400 to $5,000 in Nassau County. Price varies by model efficiency, home size, and installation complexity.

    Economy
    82% AFUE

    $2,400 - $3,258

    Entry-level models with solid performance

    Mid-Range
    85% AFUE

    $3,258 - $4,116

    Best balance of features and value

    Premium
    87% AFUE

    $4,116 - $5,000

    Top-tier efficiency and features

    Additional Installation Costs

    Standard Installation

    New boiler, same location

    Included in price

    Steam-to-Hot Water Conversion

    Complete system change

    +$2,000-$4,000

    Chimney Liner

    Required for high-efficiency

    +$800-$1,500

    Permit & Inspection

    Nassau County requirements

    +$150-$300

    * Prices reflect typical installed costs in Nassau County as of September 2026. Actual costs may vary based on home size, system complexity, and local factors.

    5.0 / 5 · 93 Google reviews

    Recent Google reviews

    Long Island feedback.
    Real customers.

    Recent public reviews from homeowners who hired Home+ Air & Heat.

    BM

    Bipul Mainali

    Long Island, NY · Jan 2026

    “They replaced my old, oxidized copper pipes connected to the boiler. The work was completed neatly, and the price was fair.”
    Boiler Repair
    Google review
    AR

    Aaron Ramnarine

    Long Island, NY · Jan 2026

    “These guys do great work and are easy to deal with. I needed some work done on my boiler for the winter and everything was done easily in a timely manner. Will definitely be using them again in the future.”
    Boiler Service
    Google review
    MH

    Matthew Hoosein

    Long Island, NY · Jan 2026

    “I had a great experience with Homets Air and Heat. My heating system stopped working the other day, and they responded quickly with a clear explanation and prompt repair.”
    Heating Repair
    Google review
    LS

    Lochana Subedi

    Hicksville, NY · Jan 2026

    “I am a tenant in Hicksville, and when my heat went out during this cold stretch, it was a total emergency. The technician quickly resolved the heating issue.”
    Emergency Heating
    Google review
    KB

    Khim Bhattarai

    Long Island, NY · Jan 2026

    “I hired them to fix my heat as it stopped working. They were quick to diagnose and fix it even during late hours.”
    Heating Repair
    Google review
    DB

    Devendra Bhattarai

    Jamaica, NY · Dec 2025

    “Heat stopped working in my Jamaica, NY home and these guys came out fast. They explained what was wrong, fixed it the same visit, and were very reasonable.”
    Heating Repair
    Google review

    Where Dunkirk Fits Best in Nassau County

    Here's where Dunkirk boilers tend to fit best across Long Island.

    Preserving vintage heating systems

    HempsteadFreeportRoosevelt
    Pre-war HomesSteam Radiator Systems

    Dunkirk's steam boiler expertise is essential for the cast iron radiators common in pre-1950 South Shore homes.

    Budget-conscious reliability

    UniondaleElmontValley Stream
    Multi-familyRental Properties

    Dunkirk's straightforward design and competitive pricing make it ideal for landlords managing multiple properties.

    Installer Note: These are general guidelines based on our Nassau County experience. Every home is unique—we'll assess your specific heating needs during our free consultation.

    Dunkirk vs. Alternatives

    See how Dunkirk compares to other top boiler brands we install in Nassau County.

    Feature
    D
    Dunkirk
    Current
    Weil Mclain Logo
    Weil-McLain
    #1
    C
    Crown Boiler
    #8
    Burnham Logo
    Burnham
    #2
    Expert Rating
    4.25/5
    4.9/5
    4.55/5
    4.85/5
    Max Efficiency
    87%
    95%
    87%
    95%
    Starting Price
    $2,400+
    $4,500+
    $2,500+
    $4,000+
    Heat Exchanger Warranty
    20 years
    Lifetime (cast iron)
    20 years
    Lifetime (cast iron) / 20 years (stainless)
    Best For Budget Steam Replacements Steam & Cast Iron Reliability Budget-Friendly Cast Iron Residential Hot Water Systems

    Not Sure Which Boiler Is Right?

    Get a personalized recommendation in 2 minutes

    Steam or hot water system?
    Home size and age?
    Efficiency priorities?
    Budget range?

    ✓ Insured installers • ✓ Free in-home estimates • ✓ Financing available

    Final Verdict: Dunkirk

    🏭

    Dunkirk

    4.25/5

    Budget Steam Replacements

    Dunkirk delivers solid performance at an accessible price point. While it may lack some premium features, it's a reliable choice for budget-conscious homeowners who still want quality American manufacturing.

    Our Rating

    4.25/5

    Max Efficiency

    87% AFUE

    Heat Exchanger

    20 years

    Price Range

    $2,400-$5,000

    Best For:

    • Pre-war home owners with steam radiators
    • Budget-conscious buyers who want reliability

    — Blake Ruwali, Home+ Air & Heat

    Frequently Asked Questions About Dunkirk Boilers

    Get answers to the most common questions about Dunkirk boilers for Long Island homes.

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    Boiler Resources

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    🏭 Also by ECR International

    Get a Dunkirk Quote

    Free estimate from Nassau County's boiler experts

    Fully insured

    Installed Price Range:

    $2,400 – $5,000

    *Includes equipment, labor, and permits

    Long Island

    The brand matters less than the installer

    A great boiler installer on Long Island will outperform a premium unit installed poorly. Use the verification checklist and three-estimate worksheet before you sign anything.

    Open the contractor comparison guide