"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
5.9 miles from our Levittown HQ
HVAC repair & installation in Jericho, NY
Jericho's larger lots and high-end builds often call for zoned multi-stage systems. We've installed and maintained equipment in many of the neighborhood's signature colonials. We bring trucks fully stocked with parts for every major brand serviced in Jericho, so most repairs are completed on the first visit.
Same-day appointments available
Fully insured
Local crews, fast response
About HVAC service in Jericho
Jericho homes are among the largest we service — mid-century colonials and splits on generous lots, frequently expanded, and often carrying two systems rather than one. Load calculations matter more here than anywhere else in our radius, because guessing on a 3,000-plus square foot floor plan is expensive in both directions. ZIP 11753, 5.9 miles from our Levittown shop.
Complete service menu
Every HVAC service we offer in Jericho
All 13 services available across Jericho — usually same-day for repairs, free in-home quotes for installs.
AC Repair in Jericho
cooling · repair
Same-day cooling repairs most days across Long Island.
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AC Installation in Jericho
cooling · install
High-efficiency central AC, sized and installed right.
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Ductless Mini-Split Installation in Jericho
cooling · install
Room-by-room comfort with no ductwork required.
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AC Maintenance & Tune-Up in Jericho
cooling · maintain
Annual tune-ups that prevent breakdowns and extend equipment life.
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Heating Services in Jericho
heating · repair
Furnaces, boilers, and heat pumps — repaired, serviced, replaced.
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Furnace Repair in Jericho
heating · repair
Emergency furnace repair, day or night.
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Furnace Installation in Jericho
heating · install
High-efficiency furnaces that lower your gas bill.
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Boiler Repair & Installation in Jericho
heating · repair
Boiler repair, cleaning and installation — steam, gas & combi.
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Heat Pump Installation in Jericho
heating · install
Heat pump repair and installation — ducted & ductless.
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Water Heater Installation in Jericho
heating · install
Tank, tankless, and heat-pump water heaters — installed right.
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Whole-Home Generator Installation in Jericho
heating · install
Standby power sized and installed on Long Island.
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Emergency HVAC Repair in Jericho
heating · repair
No heat. No AC. No waiting.
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Emergency Boiler Repair in Jericho
heating · repair
Cold radiators. Leaking boiler. Call any hour.
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What we see in Jericho
Common HVAC issues by season
We regularly service Jericho year-round. Here's what tends to fail and when.
Summer in Jericho
- Second floor hot, basement cold — On a larger Jericho floor plan, one thermostat cannot satisfy every level, so July upstairs heat coincides with a basement that feels cold.
- One of two systems aging — When upstairs and downstairs systems age differently, one often struggles in a heat wave while the other still runs, hiding the problem until it fails.
- Humid shoulder-season air — Single-stage equipment on a big floor plan shuts off too soon in spring and fall, leaving humidity high even when temperatures seem moderate.
- Noisy returns in primary suites — Undersized returns in expanded colonials create whistling grilles and doors that hum, a common complaint in larger Jericho homes.
Winter in Jericho
- Unbalanced hydronic zones — Zones added over the years in Jericho Hills colonials often heat unevenly, with distant rooms running cold while others overheat.
- Finished basement stays cold — On a big floor plan the lower level is usually the weakest part of the heating design, so it feels cold while the upstairs is comfortable.
- One system fails mid-winter — With two systems in the house, a failure leaves part of it cold, and the other unit may be asked to cover far more than it was sized for.
- Modulating equipment faults — Variable and multi-stage heating equipment depends on sensors and settings. Drift or a failed sensor can leave the house short on heat without a visible breakdown.
Deep dive · Jericho
HVAC company in Jericho, NY — zoning larger homes properly
Jericho's colonials and contemporaries are big enough that a single-stage system is the wrong tool. One thermostat on the first floor cannot keep a 2,800–4,000 sq ft home even, which is why the second floor runs hot in July and the finished basement runs cold in January. The fix is zoning plus modulating equipment, not more tonnage.
Two- and three-zone conversions
Motorized dampers, a bypass-free static strategy, and a zone panel let each floor hold its own setpoint. Most Jericho retrofits run $3,800–$7,500 on top of an equipment changeout.
Variable-speed inverter systems
Modulating compressors run long and slow instead of blasting and stopping, which cuts noise, evens out temperatures, and pulls far more humidity in shoulder season.
Quiet-by-design installs
Correct return sizing, lined plenums, and isolated equipment pads. On premium homes the noise complaint is usually undersized returns, not the equipment itself.
Maintenance for multi-stage equipment
Modulating systems need firmware, sensor, and static-pressure checks — not just a filter swap. Our tune-up covers all three.
Central AC and heating for larger Jericho homes
Our Jericho mini-split page covers ductless work. This section addresses central systems, where the size and history of Jericho housing changes the engineering.
Two-system homes
Upstairs and downstairs systems are common here. We evaluate them independently — they rarely age at the same rate.
Room-by-room Manual-J
On expanded colonials we calculate per room, since additions shift the load away from where the original equipment was aimed.
Furnace and boiler service
Gas and oil, including hydronic zones added piecemeal over the years and never properly balanced.
Staged and variable equipment
On larger floor plans two-stage and variable-speed equipment earns its cost in humidity control, not just efficiency ratings.
Why Jericho chooses us
Local Long Island knowledge — not a national chain.
- Just 5.9 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
Jericho sits 5.9 miles inside our 9-mile service zone.
Transparent Jericho pricing
Real numbers, before any work starts
No surprise charges, ever. Jericho 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 Jericho confirmed in writing after on-site diagnosis. No work begins without your approval.
Brands serviced in Jericho
We service every major HVAC brand
No matter what's installed in your Jericho 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
Jericho HVAC questions, answered
Our Jericho home has separate upstairs and downstairs systems; should I replace them together?+
Not necessarily. Two-system Jericho homes rarely age at the same rate, so we evaluate each independently. If one fails and the other is healthy, replacing only the failed one can be reasonable, though matching controls and airflow matters. If both are near the end of their lives, one visit can save disruption.
Why are the vents in my large Jericho house so noisy?+
Noise usually points to returns that are too small for the airflow, not to the equipment itself. In big Jericho homes that grew by additions, return paths rarely grew with them. Adding return capacity or correcting duct sizing often quiets the house without replacing anything.
Does the variable-speed equipment in my Jericho home need different maintenance?+
Yes. Modulating systems depend on sensors, settings and airflow, so a filter swap is not enough. In Jericho we check firmware, sensor readings and static pressure along with the usual coil and drain work, because drift in any of them can leave a big house short on comfort without any visible breakdown.
Do you provide HVAC service in Jericho, NY?+
Yes — Jericho (ZIP 11753) is well within our 9-mile service radius. We're just 5.9 miles away, so Jericho addresses usually get same-day appointments.
How fast can you get to my Jericho home for emergency service?+
For complete no-heat or no-cool emergencies in Jericho, 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 Jericho?+
We're fully insured for residential HVAC work in Jericho 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 Jericho?+
Our diagnostic visit in Jericho 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 Jericho homeowners?+
Yes — through Synchrony Home Financing. Jericho 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 Jericho?+
Jericho 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 Jericho service pages
Nearby service areas
Towns near Jericho we also serve
Need HVAC service in Jericho?
Call now and we'll dispatch a technician — usually same-day across Jericho and ZIP 11753.