home+ — Homets Air and Heat
    24/7 Emergency(516) 259-1191
    5.0(66 reviews)
    Expert installation, lifetime support

    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
    Spring and fall offer ideal installation weather and best availability. However, we install year-round. Summer is our busiest season, so book early for faster scheduling. Winter installations often qualify for off-season promotions.

    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.

    Current Offers

    Deals & Savings

    View All
    SPRING SPECIAL
    $1,000 OFF

    AC / Heat Pump Install

    Save $1,000 on any central AC or heat pump installation. Includes our 10-year labor warranty.

    Exp. June 30, 2026
    LIMITED TIME
    $89

    AC Tune-Up

    Complete 21-point AC inspection for just $89. Prevent breakdowns before the summer heat hits.

    Exp. May 31, 2026
    BONUS
    FREE

    Smart Thermostat w/ System Install

    Get a FREE smart thermostat ($250 value) with any full AC, heat pump, or furnace installation.

    Exp. June 30, 2026

    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. Homets 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

    In-Home Assessment & System Sizing (room size, insulation, windows, sun exposure, electrical capacity, optimal head/condenser placement)
    Custom System Design (zones, indoor unit types, refrigerant line routing, condensate drainage, outdoor placement, electrical requirements)
    Professional Installation Day (mounting indoor air handlers, running refrigerant line sets, electrical wiring, condensate drain lines, outdoor condenser setup, system vacuuming, pressure testing, wall penetration sealing, proper clearance verification)
    Complete System Start-Up & Testing (refrigerant pressures, airflow strength, temperature output, electrical safety, condensate drainage, unit communication, overall performance)
    Customer Orientation & Training (remote control usage, zone management, system maintenance, filter cleaning schedule, energy efficiency maximization)
    Manufacturer Warranty Registration (full warranty protection, extended warranty options)
    100% Satisfaction Guarantee (quality workmanship commitment)
    Ongoing Support & Maintenance Plans (annual service options, priority scheduling)

    Mini-Splits vs. Central AC — Which Is Better?

    Ductwork Needed: Mini-Split (No) vs Central AC (Yes)
    Energy Efficiency: Mini-Split (Very high, SEER2 18-30) vs Central AC (Moderate, SEER2 14-18)
    Installation Time: Mini-Split (1-2 days) vs Central AC (3-5 days)
    Zoning: Mini-Split (Excellent, independent zones) vs Central AC (Limited, expensive zoning systems)
    Air Quality: Mini-Split (High filtration) vs Central AC (Varies)
    Lifespan: Mini-Split (12-20 years) vs Central AC (10-15 years)
    Noise Level: Mini-Split (Very quiet, 19 dB+) vs Central AC (Moderate)
    Heating Ability: Mini-Split (Yes, heat pump) vs Central AC (No)
    Conclusion: If your home has no ductwork or you want zoned control, mini-splits are the clear winner.

    Our Simple Process

    From call to comfort in 5 easy steps

    1

    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.

    2

    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.

    3

    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.

    4

    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.

    5

    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 Homets 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.

                Most Popular

                Single-Zone System

                Starting at $3,800

                Perfect for single rooms or small spaces

                • One outdoor unit
                • One indoor air handler
                • Complete installation
                • System testing & training
                • Manufacturer warranty
                • Energy-efficient operation
                Get Free Quote

                Multi-Zone Systems (2-3 Zones)

                Starting at $6,500

                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
                Get Free Quote

                Whole-Home Systems (4-8 Zones)

                Custom Quote

                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
                Get Free Quote

                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.

                Instant 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.

                Instant pricing for 3 system tiers
                Available rebates & incentives
                Energy savings estimate
                Easy scheduling for free home visit
                Licensed & Insured
                Price Match Guarantee
                No Fees
                30-Second Quote
                Synchrony Bank - Official Financing Partner

                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.

                New AC installation as low as $89/month*
                Quick Approval
                0% Interest Options
                FDIC Insured
                View Financing Options

                *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.

                No ContractsCancel Anytime
                View Home+ Plans

                Own a Commercial Property?

                Business+ plans start at $499/year — includes 2 rtu tune-ups, 10% off all services, and priority scheduling.

                No ContractsSatisfaction Guarantee
                View Business+ Plans

                What Our Customers Say

                Real reviews from real homeowners in Nassau County

                Selected from 66+ verified Google reviews

                "We had three zones installed for our older home that had no central air. The installation was clean, fast, and professional. Now every room is perfectly comfortable and our electric bills are actually lower than when we used window units. Best home investment we've made."

                RT
                Robert T.
                Garden City, NY
                May 2024
                3-Zone Mini-Split Installation

                "Installed a single zone in our master bedroom and it's been amazing. Whisper quiet, energy efficient, and keeps the room perfectly cool in summer and warm in winter. Homets Air did a great job with the installation and explaining how everything works."

                CL
                Catherine L.
                Hicksville, NY
                June 2024
                Single-Zone Bedroom Mini-Split

                "Converted our entire home from baseboard heat and window ACs to a 5-zone mini-split system. The difference is incredible — every room stays comfortable, energy costs dropped significantly, and the house is so much quieter. Professional installation from start to finish."

                MP
                Michael P.
                Westbury, NY
                April 2024
                5-Zone Whole Home System

                Mini-Split Brands We Install

                Factory-trained technicians for all major HVAC manufacturers

                Trane logo
                TraneThe Apple of HVACFactory Authorized
                Carrier logo
                CarrierThe OG of Air ConditioningFactory Authorized
                Lennox logo
                LennoxPremium High-EfficiencyFactory Authorized
                American Standard logo
                American StandardTrane's Smarter TwinPreferred Partner
                Rheem logo
                RheemReliable & Drama-FreePreferred Partner
                Bryant logo
                BryantCarrier's Quieter SiblingCertified
                Goodman logo
                GoodmanHonest ValueCertified
                Ruud logo
                RuudRheem's Reliable TwinCertified
                Mitsubishi Electric logo
                Mitsubishi ElectricGold Standard for DuctlessFactory Authorized
                Daikin logo
                DaikinWorld's Largest HVAC ManufacturerFactory Authorized
                Bosch logo
                BoschGerman Engineering ExcellencePreferred Partner
                LG logo
                LGSurprisingly LegitPreferred Partner

                Don't see your brand? We service all major manufacturers! Call us to confirm.

                Frequently Asked Questions

                Get answers to common questions about our services

                How long does mini-split installation take?

                Most single-zone installations take 4-8 hours to complete. Multi-zone systems typically require 1-2 days depending on the number of indoor units and complexity of the installation. We work efficiently while maintaining the highest quality standards to minimize disruption to your home.

                Can a mini-split heat my home in winter?

                Yes — modern mini-split heat pumps provide reliable heating even in freezing temperatures. High-efficiency models can operate effectively down to -13°F. They're actually more energy-efficient than traditional gas or electric furnaces, which can significantly reduce your heating costs during Nassau County winters.

                How long do mini-split systems last?

                With proper annual maintenance, ductless mini-split systems last 12-20 years on average — longer than most traditional HVAC systems. The key to longevity is regular filter cleaning (every 1-2 months) and professional yearly maintenance including coil cleaning, refrigerant checks, and electrical inspections.

                Are mini-splits worth it for just one room?

                Absolutely. Single-zone mini-splits are far more efficient and comfortable than window units. They provide superior cooling and heating, operate quietly (as low as 19 dB), offer precise temperature control, improve air quality with multi-stage filtration, and add value to your home. The energy savings alone often justify the investment within a few years.

                Do you offer financing for mini-split installation?

                Yes — we offer flexible financing options to make energy-efficient mini-split installation affordable. Many homeowners choose financing to upgrade to multi-zone systems or higher-efficiency models. Contact us to learn about current financing rates and monthly payment options.

                Can I add more zones later?

                If your outdoor unit has the capacity to support additional zones, yes — you can add more indoor air handlers later. During the initial consultation, we help you plan for potential future expansion by selecting an appropriately sized outdoor condenser. This flexibility is one of the major advantages of mini-split systems.

                Is the installation messy?

                Not at all. Mini-split installation is minimally invasive. We drill a small 3-inch hole through the wall for the refrigerant and electrical line set, mount the indoor and outdoor units, and seal everything cleanly. There's no major construction, no drywall removal, and we protect your floors and furniture throughout the process. Most customers are surprised by how clean the installation is.

                What maintenance does a mini-split require?

                Mini-splits require minimal maintenance. Homeowners should clean or replace indoor unit air filters every 1-2 months (takes 2 minutes). Professionally, we recommend annual service including coil cleaning, refrigerant pressure checks, electrical inspections, drain line flushing, and outdoor condenser cleaning. Proper maintenance ensures maximum efficiency and prevents costly repairs.

                Love Our Service? Share Your Experience!

                Help other Nassau County homeowners by leaving a quick Google review. Your feedback helps us serve you better!

                5 stars • 66 reviews

                Most Requested Services

                Our homeowners' top picks for heating, cooling & air quality

                cooling

                AC Repair

                Learn More
                heating

                Mini-Split Heating Installation

                Learn More
                additional

                Thermostat Installation

                Learn More
                additional

                AC Tune-Up & Maintenance

                Learn More
                cooling

                Mini Split vs Central Air (Long Island Guide)

                Learn More

                Browse Other HVAC Services

                Heating

                Furnaces & Boilers

                Air Quality

                Purifiers & Filters

                Emergency

                24/7 Service

                Additional

                Pest & Sealing

                View All HVAC Services

                Explore More HVAC Resources

                In-depth guides, brand comparisons, and local service pages to help you make the right decision.

                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, Homets Air provides expert installation, clear pricing, and unmatched reliability. Free in-home assessment and quote available.

                Schedule Free Quote
                Ready to Get Started?
                Same-day service available • 24/7 Emergency Response