Trusted HVAC Services Across Long Island
Whether your system needs repair, maintenance, or replacement, our team is ready to help keep your home comfortable year-round in Nassau & Suffolk Counties.
Cooling and heating solutions for homes and businesses in Nassau and Suffolk County
Air Conditioning
Keep your home cool and comfortable with professional AC installation, repair, and maintenance services.
Heating Systems
Reliable furnace, boiler, and hydronic heating services to keep your home warm during Long Island winters.
Heat Pumps
Energy-efficient heat pump systems that provide both heating and cooling for year-round comfort.
Ductless Mini-Splits
Flexible heating and cooling solutions for homes without ductwork or for rooms that need better temperature control.
Indoor Air Quality
Improve the air inside your home with humidifiers, filtration systems, and ventilation solutions.
Water Heaters
Installation and service for tankless and traditional water heaters to ensure reliable hot water for your home.
Ductwork & Airflow
Professional duct installation, repair, and airflow improvements to help your HVAC system perform efficiently.
Commercial HVAC
Heating and cooling solutions designed to support small businesses and commercial spaces.
A Team You Can Trust for Home Comfort
Elm Air is committed to delivering dependable heating and cooling services for homeowners across Long Island. Our technicians focus on honest recommendations, quality workmanship, and solutions that keep your home comfortable in every season.
Experienced Technicians
Knowledge You Can Rely On
Our trained technicians bring years of hands-on experience diagnosing, repairing, and installing HVAC systems.
Reliable
Service
Comfort When You Need It
We respond quickly and work efficiently to restore comfort to your home without unnecessary delays.
Trusted
HVAC Brands
Quality Systems That Last
We install and service trusted HVAC brands known for performance, efficiency, and long-term reliability.
Local
Commitment
Proudly Serving Long Island
Elm Air proudly supports and serves communities across Nassau and Suffolk County.
Need HVAC Help?
Our Team Is Ready
Whether you need a repair, routine maintenance, or a new heating or cooling system, Elm Air is here to help. Our experienced technicians proudly serve homeowners across Nassau and Suffolk County with reliable HVAC solutions.
Trusted by Homeowners Across Long Island
Our customers trust Elm Air for reliable heating and cooling services. Read real reviews from homeowners who have experienced our work firsthand.