"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
2.4 miles from our Levittown HQ
HVAC repair & installation in Wantagh, NY
Wantagh's split-levels and South Shore ranches handle salt air daily — we install corrosion-resistant condensers and seal returns against humidity off the bay. We bring trucks fully stocked with parts for every major brand serviced in Wantagh, so most repairs are completed on the first visit.
Same-day appointments available
Fully insured
Local crews, fast response
About HVAC service in Wantagh
Wantagh runs a long way north to south, and the difference matters: homes below Merrick Road sit in real salt exposure while the blocks up near the Wantagh Parkway do not. We spec equipment accordingly instead of quoting one package for the whole town. ZIP 11793, 2.4 miles from our Levittown shop.
Complete service menu
Every HVAC service we offer in Wantagh
All 13 services available across Wantagh — usually same-day for repairs, free in-home quotes for installs.
AC Repair in Wantagh
cooling · repair
Same-day cooling repairs most days across Long Island.
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AC Installation in Wantagh
cooling · install
High-efficiency central AC, sized and installed right.
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Ductless Mini-Split Installation in Wantagh
cooling · install
Room-by-room comfort with no ductwork required.
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AC Maintenance & Tune-Up in Wantagh
cooling · maintain
Annual tune-ups that prevent breakdowns and extend equipment life.
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Heating Services in Wantagh
heating · repair
Furnaces, boilers, and heat pumps — repaired, serviced, replaced.
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Furnace Repair in Wantagh
heating · repair
Emergency furnace repair, day or night.
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Furnace Installation in Wantagh
heating · install
High-efficiency furnaces that lower your gas bill.
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Boiler Repair & Installation in Wantagh
heating · repair
Boiler repair, cleaning and installation — steam, gas & combi.
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Heat Pump Installation in Wantagh
heating · install
Heat pump repair and installation — ducted & ductless.
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Water Heater Installation in Wantagh
heating · install
Tank, tankless, and heat-pump water heaters — installed right.
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Whole-Home Generator Installation in Wantagh
heating · install
Standby power sized and installed on Long Island.
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Emergency HVAC Repair in Wantagh
heating · repair
No heat. No AC. No waiting.
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Emergency Boiler Repair in Wantagh
heating · repair
Cold radiators. Leaking boiler. Call any hour.
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What we see in Wantagh
Common HVAC issues by season
Our trucks roll through Wantagh year-round. Here's what tends to fail and when.
Summer in Wantagh
- Salt-pitted condenser fins — Condensers south of Merrick Road take bay air daily. Pitted aluminum fins and flaking coil coatings cut airflow and heat rejection, so the AC runs long and cools less each summer.
- Clammy, damp-feeling rooms — Humid bay air leaks in through return ducts and attic gaps. The house reads cool on the thermostat but still feels sticky, especially in lower levels of Wantagh split-levels.
- Corroded contactors and disconnects — Salt moisture eats the outdoor electrical parts. Pitted contacts cause hard starts, buzzing and sudden shutdowns, often on the first heat wave of the season.
- Slow condensate drains — Warm humid conditions grow algae fast in drain lines. A clogged condensate line trips the safety switch or drips onto ceilings and furnace closets.
Winter in Wantagh
- Rust on outdoor units and vents — Salty air does not take winter off. Exterior flue caps, outdoor heat pump cabinets and mounting feet in south Wantagh keep corroding through the cold months.
- Damp basement equipment — Humid air in lower-level mechanical spaces rusts burner parts, cabinet panels and boiler jackets, and can lead to unreliable ignition on cold nights.
- Cold rooms in split-levels — Short duct runs to nearby rooms and long runs to the far ones leave some Wantagh bedrooms chilly while the thermostat level stays satisfied.
- Frosted heat pump coils — Damp winter air makes outdoor heat pump coils ice up. A weak defrost cycle or corroded sensor leaves the unit frozen and the house cooler than it should be.
Deep dive · Wantagh
HVAC company in Wantagh, NY — south-shore specialists
Wantagh sits close enough to the Great South Bay that every outdoor condenser we service south of Merrick Rd shows salt pitting on the aluminum fins by year 6. That changes what we install and how we maintain it. We're the Wantagh HVAC company that specs coastal-grade equipment by default — not as an upcharge.
AC installation & replacement
16–18 SEER2 inverter systems with copper-tube / aluminum-fin coils and stainless mounting hardware. Typical 2.5–3 ton install $7,200–$9,800, often same-day.
Furnace & heat pump installs
High-efficiency 96% gas furnaces or cold-climate heat pumps (great fit for Wantagh's smaller ranches). NYSERDA Clean Heat rebates apply.
Same-day AC & heat repair most days
$199 diagnostic (waived with repair), most repairs done in one visit — capacitors, contactors, blower motors, ignitors, flame sensors.
Annual maintenance for salt exposure
Homes south of Sunrise Hwy get coil rinse + fin comb + line-set jacket inspection to stop the corrosion cycle that kills Wantagh condensers by year 7.
Furnace, boiler, and water heater service in Wantagh
Our Wantagh AC repair and AC installation pages cover cooling in depth. Heating and hot water are what this hub adds, and in the south-of-Merrick blocks both come with the same corrosion considerations as the condenser.
No-heat diagnosis
Gas and oil furnaces plus hydronic boilers. Ignitors, flame sensors, and circulators stocked for first-visit repair.
Furnace replacement
High-efficiency gas furnaces sized off a heat loss calculation, with venting rerouted where the old chimney no longer qualifies.
Water heaters
Tank replacement is usually same-day; tankless where the gas line genuinely supports it, which we verify before quoting.
Coastal placement
South of Merrick Road we raise outdoor equipment and use stainless hardware, because standard fasteners fail early here.
Why Wantagh chooses us
Local Long Island knowledge — not a national chain.
- Just 2.4 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
Wantagh sits 2.4 miles inside our 9-mile service zone.
Transparent Wantagh pricing
Real numbers, before any work starts
No surprise charges, ever. Wantagh 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 Wantagh confirmed in writing after on-site diagnosis. No work begins without your approval.
Brands serviced in Wantagh
We service every major HVAC brand
No matter what's installed in your Wantagh 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
"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
Wantagh HVAC questions, answered
Do homes up near the Wantagh Parkway need coastal-grade equipment like the ones south of Merrick Road?+
Not always. Wantagh is long north to south, and the bay air that pits condenser coils is mostly a problem for blocks below Merrick Road. For a home farther north we look at how exposed the condenser's side of the house actually is before recommending coated coils or stainless hardware, rather than assuming the whole town needs the same package.
Why does my Wantagh split-level feel clammy even when the AC is running?+
In Wantagh the humidity coming off the bay gets pulled in through leaky return ducts and attic or crawlspace gaps. The system cools the air but never dries the house properly. Sealing the returns, checking the condensate drain, and confirming the unit isn't short-cycling usually does more than turning the thermostat down.
Why do the outdoor disconnect and wiring on my Wantagh condenser look rusty?+
Salt moisture settles on the electrical box, contactor and fittings, not only on the coil. Near Mandalay and other bay-side Wantagh streets that corrosion can cause hard starts or a unit that quits on a hot afternoon. A pre-season check of the contacts, the disconnect and the line-set insulation catches most of it early.
Do you provide HVAC service in Wantagh, NY?+
Yes — Wantagh (ZIP 11793) is well within our 9-mile service radius. We're just 2.4 miles away, so Wantagh addresses usually get same-day appointments.
How fast can you get to my Wantagh home for emergency service?+
For complete no-heat or no-cool emergencies in Wantagh, 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 Wantagh?+
We're fully insured for residential HVAC work in Wantagh 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 Wantagh?+
Our diagnostic visit in Wantagh 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 Wantagh homeowners?+
Yes — through Synchrony Home Financing. Wantagh 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 Wantagh?+
Wantagh 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 Wantagh service pages
Nearby service areas
Towns near Wantagh we also serve
Need HVAC service in Wantagh?
Call now and we'll dispatch a nearby technician — usually same-day across Wantagh and ZIP 11793.