AC Installation Near Me
Expert air conditioning installation across Nassau County. Free estimates, 0% financing, and all major brands.
AC Unit Replacement & New AC Installation in Nassau County
Whether you're replacing an aging AC unit, adding central air to a home that's never had it, or upgrading to a high-efficiency heat pump system, our certified technicians deliver expert AC installation throughout Nassau County, NY. We handle every type of cooling system—central split systems, ductless mini-splits, heat pumps, and high-velocity systems—matched to your home's specific needs through professional Manual J load calculations.
Nassau County's diverse housing stock—from Levittown's post-war Cape Cods to Garden City's spacious colonials and Hicksville's split-levels—each present unique installation challenges. Homes without existing ductwork benefit from ductless mini-splits or high-velocity systems, while homes with ductwork can upgrade to modern high-SEER2 central AC units that cut energy costs by 30-50%. We also help maximize available incentives including IRA tax credits up to $2,000 for qualifying heat pump installations and PSEG Long Island rebates up to $1,000.
New AC Unit Options for Your Home
We install every type of cooling system — from AC unit replacement to brand-new installations
Central AC Systems
Traditional split systems with outdoor condenser and indoor evaporator coil. SEER2 ratings up to 24+. Best for homes with existing ductwork. $4,500–$10,000 installed.
Heat Pump Systems
Year-round heating AND cooling in one unit. IRA tax credit eligible (up to $2,000). Works efficiently down to -13°F. $5,000–$15,000 installed.
Ductless Mini-Splits
No ductwork needed. Perfect for additions, converted spaces, or homes without ducts. Zone control for individual room comfort. $3,500–$12,000 installed.
High-Velocity Systems
Small-duct systems ideal for older homes. 2" flexible tubes fit between walls and ceilings without major renovation. $8,000–$16,000 installed.
What Size AC Do You Need?
We perform a Manual J load calculation for every installation, but here's a general guide for Nassau County homes
| Home Size (sq ft) | AC Size (Tons) | Typical Nassau County Home |
|---|---|---|
| 800–1,200 | 1.5–2.0 | Levittown Cape Cod, starter home |
| 1,200–1,800 | 2.0–3.0 | Split-level, ranch, expanded Cape |
| 1,800–2,500 | 3.0–4.0 | Colonial, bi-level, large ranch |
| 2,500–3,500 | 4.0–5.0 | Large colonial, custom home |
* Actual sizing depends on insulation, windows, orientation, and other factors. We always perform a professional load calculation.
Why Choose Us for AC Installation Near You?
AC Brands We Install
Factory-trained technicians for all major HVAC manufacturers
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Don't see your brand? We service all major manufacturers! Call us to confirm.
What Nassau County Homeowners Say
"Replaced our 20-year-old AC with a Carrier Infinity system. The difference is night and day—every room is perfectly cool and our electric bill dropped 40%."
"Installed central AC in our colonial that never had it. They ran all new ductwork through the attic cleanly. Professional crew from start to finish."
"Our Cape Cod needed a creative solution—they installed a high-velocity system that fits perfectly. Cool air in every room without bulky ductwork."
Our Installation Process
Free Consultation
We assess your home, ductwork, insulation, and cooling needs on-site
Custom Proposal
We recommend the best AC system for your home with transparent pricing
Professional Install
Our certified team installs your new system to manufacturer specs
Quality Assurance
We test, calibrate, and walk you through your new AC system
AC installation in Nassau County typically ranges from $3,500 for a ductless mini-split to $16,000+ for a high-velocity whole-home system. Central AC systems average $4,500-$10,000 installed. Financing available with payments as low as $79/month.
AC Installation Near You — By City
Expert AC installation in every Nassau County community
From our Jericho headquarters, we install central air conditioning, heat pumps, and ductless systems in Jericho, Syosset, Hicksville, Woodbury, Plainview, Westbury, Old Westbury, Bethpage, Mineola, Carle Place, East Meadow, Old Bethpage, New Cassel, Williston Park, Garden City, Levittown, Hempstead, Uniondale, Farmingdale, Bellmore, North Bellmore, Wantagh, Manhasset, Great Neck, Roslyn, New Hyde Park, Floral Park, Glen Cove, Oyster Bay, Locust Valley, Brookville, Port Washington, and surrounding areas throughout Nassau County, Long Island.
Frequently Asked Questions
More HVAC Services Near You
Visit Our Jericho Office
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Home+ Air & Heat
55 Jericho Tpke Suite 203, Jericho, NY 11753
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