"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
5.6 miles from our Levittown HQ
HVAC repair & installation in South Farmingdale, NY
South Farmingdale's post-war ranches off Conklin St often run on 30+ year old gas furnaces and aging condensers. We replace and right-size in a single day with no downtime. We bring trucks fully stocked with parts for every major brand serviced in South Farmingdale, so most repairs are completed on the first visit.
Same-day appointments
Licensed & insured
Local crews, fast response
About HVAC service in South Farmingdale
Long Island HVAC Repair provides licensed, same-day HVAC service to South Farmingdale, NY (ZIP 11735) and surrounding neighborhoods like Conklin Street, Powell Avenue, Melville border. From our Levittown HQ just 5.6 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 South Farmingdale
All 9 services available across South Farmingdale — same-day for repairs, free in-home quotes for installs.
AC Repair in South Farmingdale
cooling · repair
Same-day cooling repairs across Long Island.
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AC Installation in South Farmingdale
cooling · install
High-efficiency central AC, sized and installed right.
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Ductless Mini-Split Installation in South Farmingdale
cooling · install
Room-by-room comfort with no ductwork required.
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AC Maintenance & Tune-Up in South Farmingdale
cooling · maintain
Annual tune-ups that prevent breakdowns and extend equipment life.
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Furnace Repair in South Farmingdale
heating · repair
Emergency furnace repair, day or night.
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Furnace Installation in South Farmingdale
heating · install
High-efficiency furnaces that lower your gas bill.
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Boiler Repair & Installation in South Farmingdale
heating · repair
Boiler installation on Long Island — steam, gas & combi.
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Heat Pump Installation in South Farmingdale
heating · install
Year-round comfort with one efficient system.
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Water Heater Installation in South Farmingdale
heating · install
Tank, tankless, and heat-pump water heaters — installed right.
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What we see in South Farmingdale
Common HVAC issues by season
We regularly service South Farmingdale year-round. Here's what tends to fail and when.
Summer in South Farmingdale
- 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 South Farmingdale.
Winter in South Farmingdale
- 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 South Farmingdale.
- 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 South Farmingdale chooses us
Local Long Island knowledge — not a national chain.
- Just 5.6 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
South Farmingdale sits 5.6 miles inside our 9-mile service zone.
Transparent South Farmingdale pricing
Real numbers, before any work starts
No surprise charges, ever. South Farmingdale 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 South Farmingdale confirmed in writing after on-site diagnosis. No work begins without your approval.
Brands serviced in South Farmingdale
We service every major HVAC brand
No matter what's installed in your South 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
"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
South Farmingdale HVAC questions, answered
Do you provide HVAC service in South Farmingdale, NY?+
Yes — South Farmingdale (ZIP 11735) is well within our 9-mile service radius. We're just 5.6 miles away, so most South Farmingdale addresses get same-day appointments.
How fast can you get to my South Farmingdale home for emergency service?+
For complete no-heat or no-cool emergencies in South 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 HVAC services do you offer in South Farmingdale?+
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 South Farmingdale.
Do you service my brand of equipment in South Farmingdale?+
We service all major brands in South Farmingdale 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 South Farmingdale?+
Yes. We're fully NY State licensed and insured for residential HVAC work in South Farmingdale and across Nassau County. We pull permits and coordinate inspections on every install that requires them.
Do you offer financing for South Farmingdale homeowners?+
Yes — through Synchrony Home Financing. South Farmingdale 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 South Farmingdale?+
South Farmingdale 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 South Farmingdale we also serve
Need HVAC service in South Farmingdale?
Call now and we'll dispatch a technician — usually same-day across South Farmingdale and ZIP 11735.