Efficient, quiet, year-round comfort without the ductwork. Ductless mini-split systems provide precise temperature control, exceptional efficiency, and whisper-quiet performance.
If certain rooms in your home are always too hot, especially upstairs bedrooms or sun-facing rooms, a mini-split provides dedicated cooling exactly where you need it. Each zone can be controlled independently, eliminating hot spots permanently.
Older homes often have rooms that stay cold in winter, especially additions, finished basements, or rooms far from the main heating system. Mini-splits provide efficient heating to these problem areas, ensuring every room stays comfortable.
Mini-splits include built-in filtration that removes dust, allergens, and pollutants. They also provide better humidity control than traditional systems, eliminating musty smells and improving indoor air quality throughout your home.
If your home has inconsistent temperatures from room to room, mini-splits solve this with zoned comfort control. Each room can have its own temperature setting, eliminating the need to compromise on comfort.
Window AC units are loud, inefficient, and block windows. Mini-splits operate as low as 19dB—quieter than a whisper—and don't block windows or views. They provide superior comfort without the noise.
Mini-splits have SEER2 ratings up to 28+, making them extremely energy efficient. They can reduce your utility bills significantly compared to older central systems or window units, paying for themselves through energy savings.
Many older Nassau County homes don't have ductwork, and adding it can be expensive and disruptive. Mini-splits require no ductwork, making them perfect for older homes, additions, and spaces where ductwork isn't feasible.
AC Tune-Up
Complete 21-point AC inspection for just $89. Prevent breakdowns before the summer heat hits.
Water Heater Installation
Save $200 on a new water heater installation. Tank and tankless options available.
Furnace Tune-Up
Complete furnace inspection and cleaning for just $89. Get your system winter-ready.
Ductless mini-split systems are one of the most energy-efficient, flexible, and modern ways to heat and cool your home. Whether you're upgrading an older system, adding comfort to a new room, or renovating your space, a professionally installed mini-split gives you precise temperature control, exceptional efficiency, and whisper-quiet performance. At Home+s Air & Heat, we specialize in ductless mini-split system installation for homes and businesses across Nassau County. We install single-zone and multi-zone systems, design custom layouts, handle electrical and refrigerant line work, and ensure everything is installed to manufacturer standards for maximum longevity and performance. Mini-splits provide comfort exactly where—and how—you want it, making them perfect for older Long Island homes without central HVAC, new additions, finished basements, sunrooms, garages, and any space where you need efficient, fast comfort. For heating-only applications, see our mini-split heating installation service, or explore our additional services for other HVAC solutions.
From call to comfort in 9 easy steps
We start by evaluating your home layout, insulation levels, room sizes, electrical capacity, sun exposure, windows and airflow patterns, and existing HVAC systems. Then we design a custom mini-split solution tailored to your home's specific needs and comfort goals.
Correct sizing is everything. Oversized systems short cycle and waste energy. Undersized systems run constantly and never reach temperature. We perform Manual J load calculation, room-by-room BTU analysis, and multi-zone distribution planning. You get a system that performs perfectly year-round.
Proper placement affects airflow, efficiency, noise levels, and temperature consistency. We select optimal locations based on structural layout and comfort needs. Whether wall-mounted, ceiling cassette, or floor-mounted, we ensure each unit is positioned for maximum effectiveness.
We install the outdoor condenser with vibration pads, proper spacing, ground-mount or wall-mount brackets, weather protection, snow clearance, and airflow optimization. Everything is positioned for long-term reliability and performance.
We use high-quality insulated copper lines and secure them in a low-visibility, aesthetically clean line set cover. We follow all EPA standards and ensure proper insulation to prevent energy loss and maintain efficiency.
Our installation includes dedicated electrical circuits, proper grounding, condensate drain installation, weather-proof disconnect box, line set insulation, and UV protection. Everything is 100% code-compliant and built to last.
This is where most cheap installers cut corners. We don't. We pull a deep vacuum, pressure test with nitrogen, confirm refrigerant balance, check for leaks, and validate system performance. This ensures peak efficiency and long equipment life.
We test airflow, heating and cooling performance, thermostat accuracy, refrigerant pressures, temperature split, and noise levels. We verify everything is operating correctly and efficiently before we leave.
After installation, we clean up everything, show you how to use the remote, demonstrate settings and efficiency modes, and register your system for full manufacturer warranty. You get a perfect installation and complete peace of mind.
Our technicians are licensed HVAC professionals with certifications in ductless system installation. We're fully insured and bonded, protecting you and your home throughout the installation process.
We're EPA-certified to handle refrigerant work safely and legally. Proper refrigerant handling is critical for system performance and environmental protection. We follow all regulations and best practices.
We take pride in clean, professional installations that look great and perform perfectly. Our line set covers, proper mounting, and attention to detail ensure your mini-split installation enhances your home's appearance.
Every home is different. We design custom zoning plans based on your home's layout, usage patterns, and comfort needs. Whether single-zone or multi-zone, we ensure optimal comfort and efficiency.
You're not getting a rushed 'slap-and-go' install. We install systems to the highest standard, following manufacturer specifications and industry best practices. We install it right the first time so you never experience performance issues.
We use only high-quality materials from trusted manufacturers. From refrigerant lines to electrical components, everything is built to last and perform at peak efficiency for years to come.
No fees. No surprises. Just honest service.
One outdoor unit + one indoor air handler
One outdoor unit + two indoor units
One outdoor unit + multiple indoor units
Additional costs: Ceiling cassette units (+$800-$1,500 per zone), Electrical work if needed ($300-$1,200). Financing available with affordable monthly payments starting around $79-$199/month. Final pricing depends on brand, home layout, line set length, and electrical requirements. We provide detailed quotes after assessment.
See instant pricing in 30 seconds. No commitment required. Schedule your free home visit today.
Don't let budget concerns delay your comfort. We offer flexible financing options through Synchrony Bank to make upgrading your system affordable with low monthly payments.
Starting at $24.99/month — 2 annual tune-ups, 10% off all services, and priority scheduling.
Business+ plans start at $499/year — includes 2 rtu tune-ups, 10% off all services, and priority scheduling.
Real reviews from real homeowners in Nassau County
Selected from 66+ verified Google reviews
"Installed a 4-zone mini-split system in our older home that had no ductwork. The installation was professional and completed in one day. Each room now has perfect temperature control, and our energy bills have dropped significantly. Highly recommend!"
"Added a mini-split to our finished basement. The installation was clean and professional, and the system is whisper-quiet. Our basement is now comfortable year-round. Great service and excellent results!"
"Replaced our old window AC units with a 3-zone mini-split system. The difference is incredible—quiet, efficient, and each room can have its own temperature. Installation was smooth and the technicians were professional throughout."
"Installed a mini-split in our sunroom addition. The system works perfectly for both heating and cooling, and the installation was done without disrupting our home. Very satisfied with the service and the system performance."
Factory-trained technicians for all major HVAC manufacturers









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Get answers to common questions about our services
A single-zone mini-split installation typically takes 4-6 hours. Multi-zone systems (2-4 zones) usually take 1-2 days depending on complexity and access.
No, that's their main advantage. Mini-splits deliver conditioned air directly to rooms through wall-mounted or ceiling units, eliminating the need for ductwork entirely.
Yes, very. Mini-splits can achieve 20+ SEER2 ratings and eliminate duct losses (which waste 20-30% of energy in central systems). They're among the most efficient heating and cooling options available.
Single-zone mini-splits typically cost $3,000-$6,000 installed. Multi-zone systems range from $6,000-$15,000+ depending on the number of zones and complexity. We provide detailed quotes during consultation.
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Enjoy whisper-quiet, energy-efficient comfort all year long. Control your comfort, reduce your bills, and upgrade your home with a high-performance ductless mini-split system.
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