
HVAC Services in Valley Stream, NY
Island Comfort HVAC serves Valley Stream with AC installation, furnace repair, mini splits, heat pumps, and 24/7 emergency service. NATE-certified technicians. Free estimates. Nassau County.
HVAC Services in Valley Stream, Nassau County
Valley Stream sits at the southwestern edge of Nassau County, bordering Queens. This location makes it one of the most accessible Nassau County communities from New York City, and its housing stock reflects decades of suburban development. Island Comfort HVAC has served Valley Stream homeowners with reliable heating and cooling service since 2009.
Homes in Valley Stream range from pre-war Cape Cods and bungalows in the older sections to mid-century colonials and ranches in the Gibson, Hendrickson Park, and North Valley Stream areas. Many homes are 1,200 to 2,200 square feet with a mix of gas and oil heating systems.
Our proximity to Valley Stream from Mineola ensures quick response times for both scheduled installations and emergency repairs. We are familiar with the Village of Valley Stream building department requirements and handle all permitting.


Valley Stream Housing
Pre-war Cape Cods to mid-century colonials and ranches, 1,200 to 2,200 sq ft. Mix of gas and oil heating.
HVAC Tip for Valley Stream
Valley Stream has many homes still running on oil heat. Converting to natural gas saves $1,000 to $2,000 per year in heating costs. We handle the full oil-to-gas conversion including gas line and boiler or furnace replacement.
Local landmarks: Green Acres Mall, Valley Stream State Park, Hendrickson Park, and the Valley Stream LIRR station
HVAC Services Available in Valley Stream
Every service we offer is available in Valley Stream 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 - $12,000Recent HVAC Work in Valley Stream
Emergency heating repair — gas valve replacement on Carrier furnace
What Valley Stream 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 Valley Stream Homeowners
Can you convert my Valley Stream home from oil to gas?
How quickly can you reach Valley Stream?
Do you serve all sections of Valley Stream?
Are permits required for HVAC work in Valley Stream?
What HVAC brands do you recommend for Valley Stream homes?
Also Serving Towns Near Valley Stream
Need HVAC Service in Valley Stream?
Free estimates for Valley Stream homeowners. Honest pricing. Mon–Sat, 7 am to 7 pm.