Reviewed

    Best Boiler Contractors in Levittown, NY (2026)

    Levittown is the one Long Island market where the boiler question is usually radiant, not steam. The original 1947–1955 houses were built on slab with copper radiant tubing embedded in the concrete, and how a contractor treats that loop decides whether a replacement boiler works for twenty years or fails in five.

    (516) 259-1191Nassau County guide

    What Levittown boiler systems look like

    Dominant distribution: Radiant slab and hot-water baseboard, very little steam. Because of that, the most useful question to ask any Levittown contractor is how the replacement size was determined and what happens to the existing piping — not which brand they carry.

    Boiler contractors serving Levittown

    #1
    Publisher — apply the same checklist

    Home+ Air and Heat (Homets Services, LLC)

    Steam and hydronic work quoted from measured radiation (EDR) rather than the old boiler's nameplate, near-boiler piping rebuilt to the manufacturer's printed diagram, combustion analysis and a written startup report on every install, plus labor coverage of 1–10 years depending on Home+ package.

    See boiler installation scope
    #2

    Universe Home Services

    Multi-trade Nassau footprint — useful when a Levittown boiler job also touches gas piping or electrical.

    #3

    All Week Heating, Cooling & Plumbing

    Hicksville-based with broad no-heat coverage across Levittown.

    #4

    T.F. O'Brien Cooling & Heating

    Reasonable second opinion when the discussion turns from boiler replacement to a heat-pump or hybrid alternative.

    Housing stock & distribution

    Many original slab loops are partially failed, air-bound, or already abandoned in favor of baseboard added during a renovation. A contractor who quotes a boiler without pressure-testing the loop, checking for leaks in the slab, and confirming return-water temperature is guessing. Condensing boilers suit surviving radiant slab well because low return temperatures are normal there; on retrofit baseboard zones the same boiler may rarely condense, which changes the honest efficiency expectation.

    Permits, venting & local quirks

    Permits go through the Town of Hempstead Building Department, and a boiler replacement that changes venting, gas piping, or the chimney generally needs one. If the house is converting from oil, expect separate tank-abandonment and gas-service steps that belong on the proposal as line items rather than verbal promises.

    Get a written boiler estimate in Levittown

    Sizing basis stated in writing, exact model number, near-boiler piping plan, venting method, permits handled, and a combustion and startup report at completion.

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    FAQ — Levittown boiler contractors

    Can a Levittown radiant slab still be used with a new boiler?

    Often yes, but only after the loop is proven. Ask for a documented pressure test, a check for buried leaks, and confirmation of design supply and return temperatures. If part of the slab is dead, the honest answer is a mixed system: keep the working zones and add baseboard or panel radiators where the loop failed.

    Is a condensing boiler worth it in Levittown?

    It depends on the distribution. Surviving radiant slab runs at low water temperature, which is exactly where a condensing boiler earns its rated efficiency. Retrofit high-temperature baseboard zones condense far less of the time, so ask the contractor to state the expected operating temperature in writing instead of quoting only the AFUE sticker.

    Do I need a permit to replace a boiler in Levittown?

    A boiler replacement in the Town of Hempstead generally requires a permit, and almost always does when venting, gas piping, or the chimney changes. The proposal should say who files it, who pays the fee, and who schedules the inspection.

    Serving Levittown and surrounding Nassau County communities.