Long Island’s climate swings from sticky, humid summers along Jones Beach to chilly, Nor’easter-driven winters in Huntington and Montauk. You need a system that adapts to salt-laden air, high humidity and sub-freezing temperatures. When you search for the best HVAC systems in Long Island, Universe Home Services stands out as the region’s go-to expert. With decades of local experience, our team understands how to keep your Sag Harbor ranch or Glen Cove colonial comfortable through every season.

Why It’s Important to Choose the Best HVAC for your Long Island Home
Selecting the right unit goes beyond simple comfort. It directly impacts your monthly bills and environmental footprint. By opting for energy-efficient HVAC equipment, you’ll see lower utility costs, more consistent indoor temperatures and reduced wear on components. Quality systems run quieter, deliver balanced airflow and cut down on hot or cold spots, making life easier whether you’re hosting a barbecue in Smithtown or working from home in Sea Cliff.
Air Source Heat Pumps
Air source heat pumps transfer warmth from the outdoors into your residence during winter and reverse the process in summer. Modern models handle HVAC for New York’s climate challenges, efficiently operating even when temperatures dip into the teens. They excel in well-insulated houses, townhouses and newer construction, providing both heating and cooling without the need for a separate furnace. If your fuel options are limited or you want a single-unit solution, heat pumps offer year-round performance and cleaner energy use.
Central AC
Central air conditioning uses a split-system design with an outdoor condenser and indoor coil connected to ductwork. It delivers strong, uniform cooling throughout larger residences or those with existing ducts. Standard units achieve SEER ratings of 14–18, balancing upfront cost with ongoing efficiency. Central AC is ideal if you already have a gas furnace or coil setup; pairing it with variable-speed blowers can further stabilize humidity and airflow in multi-zone layouts.
Ductless Mini-Splits
Ductless mini-split systems consist of an outdoor compressor and one or more indoor air handlers mounted on walls or ceilings. They offer zone-by-zone temperature control, so you can cool a sunroom, guest suite or home office independently. Their compact footprint and lack of ducts reduce installation disruption, perfect for retrofits, additions or residences without existing ductwork. High SEER ratings (up to 30) translate to savings, especially in spaces where centralized systems struggle to maintain consistent comfort.
Oil-Fired Furnaces
Oil-fired furnaces burn heating oil in a combustion chamber, generating hot air distributed through ductwork. They produce high BTU output, making them reliable backup heat when temperatures plummet. This type of system suits older Long Island houses without natural gas service, offering robust warmth at the flip of a switch. Routine maintenance, cleaning nozzles, replacing filters and tuning burners, is essential to preserve efficiency and prevent soot buildup.
Oil-Fired Boilers
Oil-fired boilers heat water that circulates through radiators, baseboards or in-floor piping. The result is gentle, even warmth without the noise or draft of forced-air systems. Boilers excel in houses with existing hydronic networks or those looking to add radiant floor heating. While installation costs can be higher, they provide long-term reliability and stable temperatures, even in bitter East End winters.
Why Choose Us?
From Great Neck to Babylon, Universe Home Services delivers same-day service and free replacement estimates so you can make informed decisions quickly. We offer financing options, plus military, veteran and senior discounts alongside seasonal coupons to keep your project budget-friendly. Our technicians explain what’s wrong with your system and outline potential issues, then deploy a well-built team that arrives swiftly and installs faster than most competitors. With over 70 years in business, an abundant staff ready for winter emergencies, and warranties on select repairs and installations, we guarantee top-quality service and products every time.
Ready to optimize your comfort and savings? Contact Universe Home Services today for tailored heating and cooling systems in Long Island. Find out which option aligns with your property’s needs and budget with a personalized quote.