HVAC Services for Every Long Island Home
From new installations to emergency repairs, Island Comfort HVAC delivers reliable heating and cooling solutions across Nassau and Suffolk County. NATE-certified technicians. Upfront pricing. Free estimates on every job.
New System Installation
Carrier Factory Authorized and Lennox Premier dealer. Every installation includes a full load calculation, equipment sizing, and a written warranty.
$5,500 - $12,500Central AC Installation
Whole-home cooling with Carrier and Lennox systems. Sized for your home, installed in 1 to 2 days.
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$4,200 - $9,800Furnace Installation
High-efficiency gas furnaces with 10-year heat exchanger warranties. Old unit removal included.
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$3,500 - $8,500Mini Split Installation
Ductless heating and cooling for additions, attics, and homes without ductwork. Single and multi-zone.
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$6,500 - $15,000Heat Pump Installation
Year-round heating and cooling in one system. Air-source and ground-source options with PSEG rebate help.
Learn More$5,000 - $12,000Boiler Installation
Gas and oil boiler installation for hydronic radiant heat systems. 10-year heat exchanger warranty.
Learn MoreRepair, Maintenance & Emergency Service
Same-day repair available. 24/7 emergency service for no-heat and no-cool situations. Annual maintenance plans that prevent costly breakdowns.
$175 - $1,200AC Repair
Same-day air conditioning repair for all makes and models. 90-day warranty on every repair.
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$150 - $900Furnace Repair
Emergency furnace repair available 24/7. All brands serviced with upfront, honest pricing.
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$149 - $349/yrHVAC Maintenance
Annual tune-ups that prevent breakdowns and extend system life. Plans from $149 per year.
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$1,500 - $5,000Ductwork Services
New ductwork installation, duct repair, and duct sealing. Improve airflow and efficiency.
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Call for pricingEmergency HVAC
24/7 emergency heating and cooling repair across Nassau and Suffolk County. Fast response times.
Learn MoreWhy Long Island Homeowners Trust Us
NATE Certified
Every technician is NATE certified and EPA 608 licensed.
Upfront Pricing
Written quotes before work begins. No hidden fees, ever.
Licensed & Insured
Nassau HIC #H2409170000. Suffolk HIC #54721-H. $2M liability.
3,200+ Homes
Serving Long Island homeowners since 2009 with a 4.9 Google rating.
HVAC Pricing on Long Island
Real price ranges based on our recent projects. Final pricing depends on home size, ductwork condition, and equipment tier.
| Service | Price Range | Warranty | |
|---|---|---|---|
| Central AC | $5,500 – $12,500 | 10-year parts, 1-year labor | Get Quote |
| Furnace | $4,200 – $9,800 | 10-year heat exchanger, 5-year parts | Get Quote |
| Mini Split | $3,500 – $8,500 | 7-year compressor, 5-year parts | Get Quote |
| Heat Pump | $6,500 – $15,000 | 10-year compressor, 5-year parts | Get Quote |
| Boiler | $5,000 – $12,000 | 10-year heat exchanger, 2-year labor | Get Quote |
| AC Repair | $175 – $1,200 | 90-day repair warranty | Get Quote |
| Furnace Repair | $150 – $900 | 90-day repair warranty | Get Quote |
| Maintenance | $149 – $349/year | Priority scheduling included | Get Quote |
Financing available. 0% for 18 months on qualifying installations.
Serving All of Nassau & Suffolk County
Based in Mineola, our trucks cover every town on Long Island. No extra travel charges within our service area.
Ready for a Free Estimate?
Call us or fill out our quick form. No pressure, no obligation. Mon–Sat, 7 am to 7 pm.