"Came out same day in 95° heat. Diagnosed a bad capacitor in 15 minutes and had us cool again before dinner. Fair price, super clean work."
Sarah K.
Garden City, NY · AC Repair
8.8 miles from our Levittown HQ
HVAC repair & installation in Williston Park, NY
Williston Park's compact village blocks of Tudors and Colonials need careful equipment placement — tight side yards, decorative trim, and historic streetscape. We design every install for both code and curb appeal. We bring trucks fully stocked with parts for every major brand serviced in Williston Park, so most repairs are completed on the first visit.
Same-day appointments
Licensed & insured
Local crews, fast response
About HVAC service in Williston Park
Long Island HVAC Repair provides licensed, same-day HVAC service to Williston Park, NY (ZIP 11596) and surrounding neighborhoods like Williston Park Village, Hillside Avenue, East Williston borders. From our Levittown HQ just 8.8 miles away, our NATE-certified technicians handle AC repair & installation, furnace and boiler service, heat pumps, ductless mini-splits, water heaters, and seasonal tune-ups — all backed by upfront flat-rate pricing and a 1-year warranty.
Complete service menu
Every HVAC service we offer in Williston Park
All 9 services available across Williston Park — same-day for repairs, free in-home quotes for installs.
AC Repair in Williston Park
cooling · repair
Same-day cooling repairs across Long Island.
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AC Installation in Williston Park
cooling · install
High-efficiency central AC, sized and installed right.
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Ductless Mini-Split Installation in Williston Park
cooling · install
Room-by-room comfort with no ductwork required.
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AC Maintenance & Tune-Up in Williston Park
cooling · maintain
Annual tune-ups that prevent breakdowns and extend equipment life.
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Furnace Repair in Williston Park
heating · repair
Emergency furnace repair, day or night.
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Furnace Installation in Williston Park
heating · install
High-efficiency furnaces that lower your gas bill.
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Boiler Repair & Installation in Williston Park
heating · repair
Boiler installation on Long Island — steam, gas & combi.
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Heat Pump Installation in Williston Park
heating · install
Year-round comfort with one efficient system.
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Water Heater Installation in Williston Park
heating · install
Tank, tankless, and heat-pump water heaters — installed right.
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What we see in Williston Park
Common HVAC issues by season
We regularly service Williston Park year-round. Here's what tends to fail and when.
Summer in Williston Park
- Failed AC capacitors — the #1 summer call. We carry every common size on the truck.
- Frozen evaporator coils from dirty filters, clogged returns, or low refrigerant.
- Condensate drain backups — Long Island humidity overwhelms clogged drain lines fast.
- Salt-air corrosion on outdoor condensers — especially relevant near Williston Park.
Winter in Williston Park
- No-heat emergencies — failed igniters, flame sensors, draft inducers. Same-day or 24/7.
- Boiler short-cycling — common on older oil and steam boilers across Williston Park.
- Cold radiators or rooms — air-bound zones, failed circulator pumps, or stuck zone valves.
- Frozen condensate lines on high-efficiency furnaces during deep cold snaps.
Why Williston Park chooses us
Local Long Island knowledge — not a national chain.
- Just 8.8 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
- NY State licensed, fully insured, NATE-certified technicians
- We file PSEG and NYSERDA rebate paperwork on your behalf
- 1-year warranty on every repair · up to 10-year parts on installs
15+
Years serving LI
5,000+
Homes serviced
Licensed
& insured
NY State
⌖ HQ · Levittown, NY
9-mile radius
Williston Park sits 8.8 miles inside our 9-mile service zone.
Transparent Williston Park pricing
Real numbers, before any work starts
No surprise charges, ever. Williston Park homeowners see the full repair or install price in writing first.
Diagnostic visit
$99–$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 financing available
Final pricing in Williston Park confirmed in writing after on-site diagnosis. No work begins without your approval.
Brands serviced in Williston Park
We service every major HVAC brand
No matter what's installed in your Williston Park 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
"Replaced our 1958 boiler with a high-efficiency condensing unit. Crew was meticulous — neat piping, took the time to explain everything. Heating bill dropped 30%."
Mike D.
Huntington, NY · Boiler Installation
"Mitsubishi mini-splits in three rooms. Quiet, efficient, and they handled all the rebate paperwork. Could not be happier."
Anna R.
Massapequa, NY · Mini-Split Installation
FAQs
Williston Park HVAC questions, answered
Do you provide HVAC service in Williston Park, NY?+
Yes — Williston Park (ZIP 11596) is well within our 9-mile service radius. We're just 8.8 miles away, so most Williston Park addresses get same-day appointments.
How fast can you get to my Williston Park home for emergency service?+
For complete no-heat or no-cool emergencies in Williston Park, 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 HVAC services do you offer in Williston Park?+
Every service we offer — AC repair, AC installation, furnace repair & install, boiler service, heat pump install, ductless mini-splits, water heater install, and seasonal tune-ups — is fully available in Williston Park.
Do you service my brand of equipment in Williston Park?+
We service all major brands in Williston Park including Carrier, Trane, Lennox, Rheem, Goodman, Bryant, Mitsubishi, Daikin, Fujitsu, Weil-McLain, Burnham, Lochinvar, Navien, and more.
Are you licensed and insured to work in Williston Park?+
Yes. We're fully NY State licensed and insured for residential HVAC work in Williston Park and across Nassau County. We pull permits and coordinate inspections on every install that requires them.
Do you offer financing for Williston Park homeowners?+
Yes — through Synchrony Home Financing. Williston Park homeowners qualify for $0-down installs, 0% APR for 12 months on approved credit, and low-monthly plans up to 120 months.
What rebates can I get on a new system in Williston Park?+
Williston Park is in PSEG Long Island's service territory, so rebates of up to $1,000 on qualifying high-efficiency AC and heat pumps are available. NYSERDA programs add another $400–$1,200, and federal IRA tax credits stack on top.
Nearby service areas
Towns near Williston Park we also serve
Need HVAC service in Williston Park?
Call now and we'll dispatch a technician — usually same-day across Williston Park and ZIP 11596.