5.5 miles from our Levittown HQ

HVAC repair & installation in Farmingdale, NY

Farmingdale's mix of village homes and newer developments means we work on everything from 1950s steam boilers to brand-new heat pump retrofits. We bring trucks fully stocked with parts for every major brand serviced in Farmingdale, so most repairs are completed on the first visit.

Same-day appointments available
Fully insured
Local crews, fast response

About HVAC service in Farmingdale

Farmingdale Village has a housing stock that runs older than the surrounding tract development, including homes still on hydronic heat behind plaster. Just outside the village line the housing shifts to postwar forced air, and the right equipment changes with it. ZIP 11735, 5.5 miles from our Levittown shop.

Complete service menu

Every HVAC service we offer in Farmingdale

All 13 services available across Farmingdale — usually same-day for repairs, free in-home quotes for installs.

AC Repair in Farmingdale

cooling · repair

Same-day cooling repairs most days across Long Island.

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AC Installation in Farmingdale

cooling · install

High-efficiency central AC, sized and installed right.

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Ductless Mini-Split Installation in Farmingdale

cooling · install

Room-by-room comfort with no ductwork required.

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AC Maintenance & Tune-Up in Farmingdale

cooling · maintain

Annual tune-ups that prevent breakdowns and extend equipment life.

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Heating Services in Farmingdale

heating · repair

Furnaces, boilers, and heat pumps — repaired, serviced, replaced.

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Furnace Repair in Farmingdale

heating · repair

Emergency furnace repair, day or night.

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Furnace Installation in Farmingdale

heating · install

High-efficiency furnaces that lower your gas bill.

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Boiler Repair & Installation in Farmingdale

heating · repair

Boiler repair, cleaning and installation — steam, gas & combi.

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Heat Pump Installation in Farmingdale

heating · install

Heat pump repair and installation — ducted & ductless.

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Water Heater Installation in Farmingdale

heating · install

Tank, tankless, and heat-pump water heaters — installed right.

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Whole-Home Generator Installation in Farmingdale

heating · install

Standby power sized and installed on Long Island.

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Emergency HVAC Repair in Farmingdale

heating · repair

No heat. No AC. No waiting.

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Emergency Boiler Repair in Farmingdale

heating · repair

Cold radiators. Leaking boiler. Call any hour.

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What we see in Farmingdale

Common HVAC issues by season

We regularly service Farmingdale year-round. Here's what tends to fail and when.

Summer in Farmingdale

  • Village homes with no ducts — Older Farmingdale Village houses on radiators have nowhere to put central air. Window units overwork the circuits and leave upstairs rooms warm.
  • Leaky ducts and stale filters — Ducts in an unconditioned attic or crawlspace lose cooling on the way to the room, and a filter left in place too long makes the blower work harder for less.
  • Converted spaces overloading systems — East Farmingdale buildings changed to new uses often carry more heat than the original equipment was sized for, so cooling falls short.

Winter in Farmingdale

  • Banging steam and cold radiators — One-pipe steam in the Village depends on proper main venting and pitched returns. Poor venting leaves end-of-run radiators cold.
  • Remaining oil burner lockouts — Where an older Farmingdale home still burns oil, a clogged nozzle, worn electrode or failed cad cell is the usual reason the burner shuts down on a cold night.
  • Hydronic systems behind plaster — Leaks and failed circulators are harder to reach in older homes with hot-water heat, so small problems become bigger ones.
  • Heat pump retrofits in cold snaps — Newer heat pump installs can lean on backup heat during hard freezes if ducts or settings are off, which raises operating costs.

Deep dive · Farmingdale

HVAC in Farmingdale, NY — village steam to modern heat pumps

Farmingdale is really three HVAC markets in one ZIP code. The Village has 1920s–1940s homes on one-pipe steam or converted hydronic heat. South Farmingdale is dominated by post-war ranches with 30-year-old gas furnaces and matching condensers. East Farmingdale toward Route 110 is newer construction and light-commercial conversions. We work all three every week.

Steam and hydronic boiler service

One-pipe steam needs correct main venting and pitched returns, not just a new boiler. We fix banging pipes and cold end-of-run radiators as an air-venting problem first.

Furnace and AC changeouts

Post-war ranch changeouts are our most common Farmingdale job — matched 96% AFUE furnace and 15.2+ SEER2 condenser, usually completed in a single day.

Heat pump retrofits

Newer Farmingdale builds already have tight envelopes and good ducts, which makes them strong cold-climate heat pump candidates with no backup furnace required on most days.

Ductless for additions

Dormers, garage bonus rooms, and converted porches get single-zone ductless heads instead of an oversized main system.

Common Farmingdale service calls

What we actually get dispatched for, by season:

No heat, winter

Ignitor, flame sensor, pressure switch, or thermocouple on gas; nozzle, electrode, and cad cell on the remaining oil systems.

No cooling, summer

Capacitor, contactor, condenser fan motor, or a slow refrigerant leak at the service valves.

High bills year-round

Almost always duct leakage in an unconditioned attic or crawlspace, plus a filter that has not been changed in a year.

Cooling repair and ductless options in Farmingdale

Our Farmingdale AC installation page covers cooling replacement. This section covers repair work and the cooling options for village homes that were never built around ducts.

AC repair

Leak isolation, capacitor and contactor failures, and blower faults diagnosed on gauges during the first visit.

Cooling without ducts

For village homes on hydronic heat with no duct system, ductless is the practical path rather than a full retrofit.

Repair-vs-replace numbers

When a repair no longer makes sense on an older condenser, we show both paths side by side before any work starts.

Plaster-wall routing

Line sets planned to stay off street-facing elevations, which the village cares about more than neighboring areas do.

Why Farmingdale chooses us

Local Long Island knowledge — not a national chain.

  • Just 5.5 miles from your front door — fast trucks, low fuel surcharges
  • Trucks fully stocked with common parts — most repairs done first visit
  • Honest, upfront flat-rate pricing — no surprise add-ons after the work starts
  • Fully insured, EPA 608-certified technicians
  • Full scope in writing before you sign
  • 1-year warranty on every repair · up to 10-year parts on installs

EPA 608

Every technician

24/7

Emergency dispatch

Fully
insured

COI on request

⌖ HQ · Levittown, NY
9-mile radius

Farmingdale sits 5.5 miles inside our 9-mile service zone.

Transparent Farmingdale pricing

Real numbers, before any work starts

No surprise charges, ever. Farmingdale homeowners see the full repair or install price in writing first.

Diagnostic visit

$199–$199

Waived with approved repair

AC capacitor replacement

$245–$420

Most-common summer fix

Furnace ignition repair

$285–$595

Igniter, flame sensor, board

AC tune-up

$189

Spring-special pricing

Furnace tune-up

$209

Includes safety inspection

Central AC install

From $7,200

$0 down on approved credit

Final pricing in Farmingdale confirmed in writing after on-site diagnosis. No work begins without your approval.

Brands serviced in Farmingdale

We service every major HVAC brand

No matter what's installed in your Farmingdale home — we have parts, training, and dealer relationships for it.

CarrierTraneLennoxRheemGoodmanBryantAmerican StandardYorkMitsubishiDaikinFujitsuLGBoschWeil-McLainBurnhamLochinvarNavienBuderusPeerlessSlant/FinBradford WhiteA.O. Smith

What neighbors say

Long Island homeowners trust us

"Called them for Heat Pump Maintenance in Hicksville and they were fast and did a very thorough work."

Sucharu Subedi

Hicksville, NY · Heat pump maintenance

"Had my furnace maintenance done and I’m very happy with the service. The technician was friendly, professional, and took the time to check everything carefully. He explained what he was doing and made sure the furnace was running properly before he left. I’m in Hicksville and it’s nice to find someone local who is reliable and does good work. I would definitely recommend them for furnace maintenance or HVAC service."

Narendra Subedi

Hicksville, NY · Furnace maintenance

"I had a fantastic experience withLong Island HVAC Repair! My ac system was struggling to cool and I noticed a frozen line near the unit. I called for an emergency repair and they were at my home in 90 mins. The technician was professional, quickly located the leak, and had the system running perfectly in no time. Highly recommend for any local Levittown heating repairs!"

Pabitra Pun Bhattarai

Levittown, NY · Emergency AC repair

FAQs

Farmingdale HVAC questions, answered

My radiators bang and some stay cold in my Farmingdale Village house. Do I need a new boiler?+

Usually not. On one-pipe steam, banging and cold radiators point to main vents that are clogged or undersized, pipes that no longer pitch back to the boiler, or water-level problems. We start with venting and piping, and only talk replacement if the boiler itself is failing.

Why are the energy bills so high in our Farmingdale house even with a working system?+

Look at the ducts and the filter first. In Farmingdale’s forced-air homes, a common culprit is leaky ductwork running through an unconditioned attic or crawlspace, made worse by a filter that has gone unchanged for too long. Sealing the leaks and restoring airflow can do more for the bill than new equipment, and we check both before suggesting a replacement.

Is a heat pump realistic for a newer Farmingdale home?+

Often yes, but it depends on the ductwork, the electrical panel and how cold the house gets. Some homeowners go all-electric and others keep a furnace as backup in a dual-fuel setup. We look at all of that before recommending anything, rather than assuming it fits.

Do you provide HVAC service in Farmingdale, NY?+

Yes — Farmingdale (ZIP 11735) is well within our 9-mile service radius. We're just 5.5 miles away, so Farmingdale addresses usually get same-day appointments.

How fast can you get to my Farmingdale home for emergency service?+

For complete no-heat or no-cool emergencies in Farmingdale, our 24/7 dispatch typically gets a technician on the way within 60–90 minutes. Standard same-day service is available almost every day.

What credentials and insurance do you carry in Farmingdale?+

We're fully insured for residential HVAC work in Farmingdale and across Long Island, and our technicians are EPA 608–certified. We provide current insurance and certification documentation on request.

How much does AC or furnace repair cost in Farmingdale?+

Our diagnostic visit in Farmingdale is a flat $199, waived when you approve the repair. Most common AC and furnace repairs — capacitors, ignitors, flame sensors, contactors, blower motors — run $180–$650 all-in with upfront flat-rate pricing before any work starts. Bigger jobs like refrigerant leak repair or a blower replacement are quoted on the spot, and if a repair no longer makes sense on an older system we'll show you repair-vs-replace numbers side by side.

Do you offer financing for Farmingdale homeowners?+

Yes — through Synchrony Home Financing. Farmingdale homeowners can apply for $0 down on approved credit, with monthly plans and full terms in writing before you sign.

What rebates can I get on a new system in Farmingdale?+

Farmingdale is in PSEG Long Island's service territory. PSEG runs incentive programs for qualifying cold-climate heat pumps and high-efficiency central AC; amounts and eligibility change by program year and household income, so check PSEG Long Island's current terms before you buy.

Dedicated Farmingdale service pages

Need HVAC service in Farmingdale?

Call now and we'll dispatch a technician — usually same-day across Farmingdale and ZIP 11735.