Professional HVAC & Mechanical Services
Elite Solutions for Every Space.
At Elite Comfort Group, we understand that no two buildings are the same. From the high-hardness water issues common in Long Island to the humid summers and freezing winters, our services are designed to address local challenges. We offer a full spectrum of mechanical services including installation, maintenance, and complex repairs. Our goal is to maximize your system’s efficiency while lowering your utility costs. We are your one-stop shop for residential and commercial comfort.

Comprehensive HVAC & Mechanical Services.
Whether you need a precision furnace repair, a high-efficiency AC installation, or specialized indoor air quality solutions, our team handles it all. We specialize in both residential and commercial mechanical systems with a focus on longevity and efficiency.
Heating System Installation & Replacement
When your heating system is aging, inefficient, or beyond repair, we handle the full replacement process — from equipment selection to a clean, code-compliant install. We work with all major brands and system types.
Preventive Maintenance
The best service call is the one you never have to make. Our maintenance programs keep residential and commercial systems running at peak performance, extend equipment life, and catch problems before they become expensive failures.
Heating Repair & Troubleshooting
No heat when you need it most is not an option. Our technicians diagnose and repair heating system failures fast — with the skills to back it up and the parts to get it done right.
Ductwork Installation, Repair & Sealing
Leaky or poorly designed ductwork wastes energy and kills comfort. We install, repair, and seal duct systems to maximize efficiency and airflow throughout your home or building.
Cooling System Installation & Replacement
From central air to high-efficiency systems, we design and install cooling solutions built for Long Island summers. Every installation is sized correctly, installed clean, and backed by our workmanship warranty.
Indoor Air Quality Solutions
Filtration, UV systems, ventilation — we help you breathe cleaner air inside your home or facility. Especially important in tightly sealed modern construction.
Air Conditioning Repair & Troubleshooting
Warm air, short cycling, or a system that won't turn on — we find the problem and fix it. No guesswork, no upselling parts you don't need.
Humidification & Dehumidification Systems
Long Island humidity is no joke. We install and service whole-home and commercial humidification and dehumidification systems that protect your structure, your equipment, and your comfort.
Ductless Mini-Split Installation & Service
Flexible, efficient, and ideal for additions, older homes, or zone-controlled spaces. We install and service all major ductless brands with precision.
Heat Pump Installation & Service
Heat pumps are the future of efficient heating and cooling. We install and service cold-climate heat pumps designed to perform through Long Island winters.
New Construction HVAC
We work with builders and developers from the ground up — designing and installing HVAC systems that meet code, perform efficiently, and last. Emergency Service When something fails and you can't wait, we're available. Our team is equipped and ready to respond when it matters most.
Ventilation & Exhaust Fan Service
Proper ventilation protects air quality and prevents moisture damage. We service, repair, and install exhaust fans and ventilation systems for residential and commercial applications.
Rooftop Unit (RTU) Service & Replacement
Commercial rooftop units require experience, the right equipment, and attention to detail. We handle RTU maintenance, repair, and full replacement for commercial clients across Long Island.
Energy Recovery Ventilator (ERV)
Service ERVs bring fresh air in without sacrificing energy efficiency. We service and maintain ERV systems to keep them operating at spec.
Commercial HVAC Service Agreements
Protect your business, your tenants, and your equipment with a structured preventive maintenance agreement. We offer customized commercial PM programs built around your equipment inventory and operational needs.
Boiler Service, Repair & Replacement
Hydronic heating systems demand specific expertise. We service, repair, and replace residential and commercial boilers — including complex diagnostic work other companies pass on.
Water Filtration & Treatment Systems
Clean water matters. We install and service whole-home and point-of-use water filtration systems — including solutions for the high-hardness well water common across Long Island.
