HVAC Services on Long IslandHeating, cooling & indoor air, perfected.
One Long Island team for everything HVAC — from a midnight no-heat call to a whole-home heat pump install. Licensed, insured, and trusted by neighbors across Nassau and Western Suffolk for 20+ years.
Fast, honest HVAC repair.
When your system fails, you need a real technician — fast. Our Long Island crews carry the most common parts on every truck and most repairs are completed on the first visit.
Long Island HVAC Repair offers same-day and 24/7 emergency repair for central AC, ductless mini-splits, gas and oil furnaces, boilers, and heat pumps across Nassau and Western Suffolk County. Most no-heat and no-cool calls are resolved on the first visit with flat-rate pricing and a 1-year repair warranty.
- Same-day diagnosis in most towns
- 24/7 emergency dispatch
- Flat-rate pricing — no surprises
- Trucks stocked with common parts
- 1-year warranty on every repair
AC Repair
Same-day cooling repairs across Long Island.
Learn moreFurnace Repair
Emergency furnace repair, day or night.
Learn moreBoiler Repair & Installation
Boiler installation on Long Island — steam, gas & combi.
Learn morePremium systems, engineered for your home.
We design every install around your home — Manual-J load calcs, the right brand for your situation, and a clean, code-compliant install that passes inspection the first time.
We install high-efficiency central AC, ductless mini-splits, gas furnaces, boilers, and cold-climate heat pumps across Long Island. Every install includes Manual-J load calculations, premium equipment from Mitsubishi, Carrier, Trane, Lennox, and Rheem, and up to a 10-year parts warranty with $0-down financing available.
- Free in-home consultation
- Manual-J load calculation
- Old-system removal & disposal
- Up to 10-year parts warranty
- $0-down financing available
AC Installation
High-efficiency central AC, sized and installed right.
Learn moreDuctless Mini-Split Installation
Room-by-room comfort with no ductwork required.
Learn moreFurnace Installation
High-efficiency furnaces that lower your gas bill.
Learn moreHeat Pump Installation
Year-round comfort with one efficient system.
Learn moreTune-ups that prevent breakdowns.
Annual maintenance is required by most manufacturer warranties — and it's the single best way to extend equipment life and lower your utility bills. Our service plans cover heating and cooling year-round.
Annual HVAC tune-ups for Long Island homes include a 21-point inspection, coil cleaning, refrigerant pressure check, electrical test, and filter replacement. Regular maintenance keeps manufacturer warranties valid, lowers energy bills by up to 15%, and prevents the most common summer and winter breakdowns.
- 21-point system inspection
- Coil & condenser cleaning
- Refrigerant level check
- Electrical & safety test
- Maintains factory warranty
AC Maintenance & Tune-Up
Annual tune-ups that prevent breakdowns and extend equipment life.
Learn moreFrom "I need help" to
total comfort — in 4 steps.
Book in 60 seconds
Pick a time online or call our 24/7 dispatch — confirmed instantly.
Diagnose on-site
A senior tech inspects, diagnoses, and quotes flat-rate pricing before any work starts.
Fix or install clean
Most repairs done same-day. Most installs in 1–2 days. Floors covered, debris hauled.
Comfort, guaranteed
1-yr repair warranty · 10-yr parts on installs · Lifetime workmanship.
Transparent pricing.
No surprises.
Flat-rate quotes presented in writing before any work begins. Financing and rebate paperwork handled in-house — so you focus on comfort, not paperwork.
See full financing & rebates0% APR
12 monthsSame-as-cash on qualifying installs for approved buyers.
Low monthly
Up to 120 moSpread the cost with fixed-rate plans tailored to your budget.
$8,000+
In rebates stackedFederal IRA credits + PSEG Long Island + NYSERDA — we file for you.
Long Island's most reviewed HVAC team.
"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."
"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%."
"Mitsubishi mini-splits in three rooms. Quiet, efficient, and they handled all the rebate paperwork. Could not be happier."
Service questions, answered.
We provide repair, installation, and annual maintenance for central AC, ductless mini-splits, gas/oil furnaces, boilers, and cold-climate heat pumps across Nassau County and Western Suffolk.
We charge a flat diagnostic fee that's waived if you approve the repair. All repair quotes are flat-rate and presented in writing before any work begins — no surprise charges.
Yes. Our dispatch line is staffed 24/7. For true no-heat or no-cool emergencies, we typically arrive on-site within 2–4 hours across our Long Island service area.
We install premium variable-speed systems from Mitsubishi, Carrier, Trane, Lennox, and Rheem, plus value-tier options. We repair every major brand including Goodman, Daikin, Bryant, and York.
Yes. Federal IRA credits up to $2,000 for heat pumps, plus PSEG Long Island and NYSERDA rebates that can stack to $8,000+ on qualifying systems. We file all paperwork for you.
Yes. We partner with Synchrony for 0% APR for 12 months on approved credit, plus low-monthly plans up to 120 months. Most homeowners are approved in 60 seconds with a soft credit check.
Repairs come with a 1-year warranty. New installations include up to a 10-year parts warranty and our lifetime workmanship guarantee.
We serve all of Nassau County and Western Suffolk — including Garden City, Hempstead, Hicksville, Massapequa, Huntington, Smithtown, Babylon, and 40+ other towns.
Let's get you
comfortable.
Same-day service across Nassau and Western Suffolk. Talk to a real human in under 60 seconds.