
HVAC Services in Syosset, NY
Island Comfort HVAC serves Syosset with AC installation, furnace repair, mini splits, heat pumps, and 24/7 emergency service. NATE-certified technicians. Free estimates. Nassau County.
HVAC Services in Syosset, Nassau County
Syosset is an affluent community in northern Nassau County known for its top-rated schools and spacious homes. Island Comfort HVAC serves Syosset with premium HVAC installation and service that matches the quality these homes deserve.
Syosset homes are among the largest in Nassau County, with many colonials and expanded ranches ranging from 2,500 to 4,500 square feet. These larger homes require properly sized HVAC systems with adequate airflow distribution.
We bring our experience with high-end installations to every Syosset project, ensuring quiet operation, efficient performance, and a system designed for your home’s specific layout and needs.


Syosset Housing
Large colonials, expanded ranches, and newer construction. Homes typically 2,500 to 4,500 sq ft requiring higher-capacity systems.
HVAC Tip for Syosset
Syosset’s larger homes benefit from variable-speed equipment that adjusts output to match the actual load. This prevents the uncomfortable temperature swings common with single-stage systems in large spaces.
Local landmarks: Syosset-Woodbury Community Park, Cold Spring Harbor (nearby), and the Long Island Expressway corridor
HVAC Services Available in Syosset
Every service we offer is available in Syosset with the same pricing, warranties, and professional standards as across Long Island.
AC Installation
$5,500 - $12,500Furnace Installation
$4,200 - $9,800Mini Split Installation
$3,500 - $8,500Heat Pump Installation
$6,500 - $15,000AC Repair
$175 - $1,200Furnace Repair
$150 - $900HVAC Maintenance
$149 - $349/yrDuctwork Services
$1,500 - $5,000Emergency HVAC
Call for pricingBoiler Installation
$5,000 - $12,000What Syosset Homeowners Say
“James came out the same day we called. Diagnosed the issue in 20 minutes, had our AC back running within the hour. His crew installed our whole system four years ago and it has been flawless. Cannot recommend enough.”
“We got four quotes for central air. Island Comfort was the only company that showed up on time, explained every option without pressure, and gave us a written quote the same visit. System runs perfectly. Fair price.”
HVAC Questions from Syosset Homeowners
What HVAC system do you recommend for a large Syosset home?
Can you install zoned HVAC in my Syosset colonial?
How quickly can you reach Syosset?
Do you handle Syosset building permits?
Do you offer high-end thermostat options?
Also Serving Towns Near Syosset
Need HVAC Service in Syosset?
Free estimates for Syosset homeowners. Honest pricing. Mon–Sat, 7 am to 7 pm.