Ductless Mini-Split AC Installation for Long Island Homes
Energy-efficient cooling and heating with whisper-quiet performance, customized comfort, and year-round reliability.
Best Time for Mini-Split Installation
Why Homeowners Choose Mini-Splits
No Ductwork Required
Perfect for: Older homes, home additions, finished basements, attics, sunrooms, garages, home offices. No costly duct installation, no airflow loss, no structural changes.
Extremely Energy-Efficient
Inverter technology: Compressor adjusts output in real time for precision comfort. Benefits: Lower monthly bills, less temperature fluctuation, longer compressor lifespan, reduced environmental impact. SEER2 ratings: 18-30 (far surpassing traditional AC).
Zoned Temperature Control
Independent control: Each indoor air handler controls specific area. Benefits: Keep bedrooms cooler, reduce temperature in unused rooms, customize comfort, lower energy usage. No more thermostat battles.
Whisper-Quiet Operation
Near-silent indoor operation: As low as 19 dB. Perfect for: Bedrooms, nurseries, offices, living rooms, media rooms.
Year-Round Heating & Cooling
Heat pump functionality: Cooling in summer, heating in winter. Benefits: Lower heating costs than gas or electric furnaces. High-efficiency models operate down to -13°F.
Better Air Quality
Multi-stage filtration: Reduces dust, allergens, mold spores, pet dander, odors. Result: Cleaner air and better comfort in one system.
Ideal for Older Homes Without Ductwork
Nassau County solution: Many older homes built before central air. Eliminates: Noisy window units, high summer bills, uneven temperatures. Provides: Clean, efficient, permanent solution.
Why Choose a Mini-Split AC System?
If you want powerful cooling without ductwork, inconsistent temperatures, or high energy bills, a ductless mini-split system is one of the best HVAC investments you can make. Whether you're adding comfort to a single room or your entire home, mini-splits deliver exceptional efficiency, zoned temperature control, and improved air quality compared to traditional systems. Home+ Air & Heat provides expert mini-split AC installation for homeowners across Nassau County, NY. Our certified technicians design, install, and optimize your system for maximum comfort, longevity, and energy savings — all backed by professional workmanship and premium support. Mini-split systems offer several advantages over central AC or window units. They're ideal for homes without ductwork, renovations, additions, or any space needing efficient heating and cooling. No costly duct installation. No airflow loss. No structural changes.
What's Included in Our Mini-Split Installation
Mini-Splits vs. Central AC — Which Is Better?
Our Simple Process
From call to comfort in 5 easy steps
In-Home Assessment & System Sizing
Determine: Room size, insulation levels, window placement, sun exposure, existing electrical capacity, best location for indoor heads/outdoor condenser. Result: Correct sizing prevents short cycling, weak cooling, high bills, premature failure.
System Design
Create detailed plan: Number of zones, type of indoor units, refrigerant line routing, condensate drainage solutions, outdoor condenser placement, electrical requirements. Benefit: Clean layout = better aesthetics + efficiency.
Installation Day
Certified techs install with precision: Mounting indoor air handlers, running refrigerant line sets, running electrical wiring, installing condensate drain lines, setting up outdoor condenser, vacuuming system, pressure testing, sealing wall penetration, ensuring proper clearance. Standard: Follow all manufacturer specifications for optimal performance.
System Start-Up & Testing
Test: Refrigerant pressures, airflow strength, temperature output, electrical safety, condensate drainage, communication between units, overall performance. Quality control: Mini-split must pass all tests before job completion.
Customer Orientation
Teach: How to use remote controls, how to manage zones, how to maintain system, when to clean filters, how to maximize energy efficiency. Support: Answer all questions, ensure customer confidence with new system.
Types of Systems We Install
Single-Zone Mini-Split Systems
One outdoor unit connected to one indoor air handler. Ideal for: Bedrooms, attics, sunrooms, offices, home gyms, basements. Benefits: Affordable, efficient, easy installation. Price range: $3,800-$6,500 installed.
Multi-Zone Mini-Split Systems
One outdoor condenser supporting multiple indoor units. Common setups: 2-zone, 3-zone, 4-zone, 5-zone, 8-zone systems. Ideal for: Cooling multiple rooms or entire home. Benefits: Independent zone control, energy savings, whole-home comfort. Price range: $6,500-$28,000+ depending on zones.
Wall-Mounted Units
Sleek units mounted high on walls (most popular). Benefits: Easy installation, high efficiency, flexible placement, quiet operation. Best for: Most residential applications.
Ceiling Cassette Units
Installed inside ceiling for clean, modern look. Ideal for: Large living spaces, open floor plans, commercial areas. Benefits: design, 360-degree airflow.
Ducted Mini-Split Systems
Tiny duct runs connect to multiple rooms. Best for: Homes wanting indoor units, low-profile designs, luxury builds. Benefits: Invisible indoor units, central-AC aesthetics with mini-split efficiency.
Floor-Mounted Units
Units installed at floor level. Great for: Attics with slanted ceilings, spaces without enough wall clearance. Benefits: Flexible placement, easy maintenance access.
Why Choose Home+ Air for Mini-Split Installation
Certified Mini-Split Specialists
Factory-trained technicians on all major ductless brands
Custom Design Service
Proper sizing and zone planning for optimal efficiency
Professional Installation Standards
Manufacturer specifications followed precisely
All Major Brands Installed
Mitsubishi, Fujitsu, Daikin, LG, Gree, and more
Transparent Pricing
Clear quotes with no fees
Lifetime Support
Ongoing maintenance, repairs, and priority service
Transparent Pricing
No fees. No surprises. Just honest service.
Single-Zone System
Perfect for single rooms or small spaces
- One outdoor unit
- One indoor air handler
- Complete installation
- System testing & training
- Manufacturer warranty
- Energy-efficient operation
Multi-Zone Systems (2-3 Zones)
Ideal for multiple rooms or small homes
- One outdoor condenser
- 2-3 indoor air handlers
- Custom zone design
- Complete installation
- System testing & training
- Independent zone control
- Manufacturer warranty
Whole-Home Systems (4-8 Zones)
Complete home comfort with maximum efficiency
- Large capacity outdoor unit
- 4-8 indoor air handlers
- Comprehensive zone design
- Professional installation
- Advanced controls
- Whole-home comfort
- Maximum energy savings
- Extended warranty available
- Financing available
Additional costs may apply for: Electrical panel upgrades, longer line set runs (>25 feet), ceiling cassette installation, concrete pad for outdoor unit, wall bracketing, extra insulation, specialized drainage solutions. Free in-home assessment and quote available.
Get Your Ductless Mini-Split AC Installation for Long Island Homes Instant Quote
See instant pricing in 30 seconds. No commitment required. Schedule your free home visit today.
Finance Your New AC System
Stay cool this summer with affordable monthly payments. Partner with Synchrony Bank for trusted financing with quick approval and flexible terms.
*Based on approved credit. Install plans include 9.99% APR for 132 months, 7.99% APR for 61 months, and 5.99% APR for 37 months.
Save with Home+ Membership
Starting at $24.99/month — 2 annual tune-ups, 10% off all services, and priority scheduling.
Own a Commercial Property?
Business+ plans start at $499/year — includes 1 unit · 2 tune-ups/yr, 10% off all services, and priority scheduling.
Get Your Mini-Split AC Installed Today
Experience modern, energy-efficient, quiet cooling with a professionally installed ductless mini-split system. Whether you need to cool a single room or your entire home, Home+ Air provides expert installation, clear pricing, and unmatched reliability. Free in-home assessment and quote available.
Schedule Free Quote