HVAC Repair in Garden City

Licensed HVAC Repair for Homes & Businesses Across Nassau County, NY

Since 2011, Five Star Mechanical has handled HVAC repair for homeowners and businesses throughout Nassau County, including Garden City, NY. Our technicians are licensed, bonded, and insured, and we work on both residential and commercial systems. Whether your furnace stopped heating or your commercial rooftop unit is running inefficiently, we’re equipped to diagnose and fix it.

Call (516) 447-2113 to schedule HVAC repair in Garden City. We offer same-day and weekend appointments for residential and commercial properties.

Heating & Cooling Systems We Repair

We repair the full range of HVAC equipment found in Nassau County homes and businesses, so you don’t need a separate contractor for each system type.

Residential systems we service:

Furnaces: forced-air heating systems, including gas and electric models
Boilers: hot water and steam heating systems
Heat pumps: both heating and cooling repair
Central air conditioning: compressor, coil, and refrigerant issues
Ductless mini-split systems: single-zone and multi-zone configurations

Commercial equipment we service:

Packaged rooftop units: common in commercial and mixed-use buildings
Commercial boilers and furnaces: high-capacity heating systems for larger facilities

We work on major brands including Trane, Carrier, Lennox, Rheem, Bryant, Coleman, Mitsubishi Electric, and Fujitsu. Air conditioners and heat pumps contain refrigerants that require EPA Section 608 certification to handle legally. Our technicians hold that certification.

Membership Plan Benefits for Repair Customers

Our membership plan is built for property owners who want to stay ahead of breakdowns rather than react to them. Members receive two annual maintenance visits, one each fall and spring, along with preferred scheduling on service calls.

On the cost side, members save up to $125 with waived standard diagnostic fees and receive a $100 discount on emergency diagnostic fees. All heating and air conditioning repairs carry a 10% discount for members. The plan covers labor and diagnostic services; replacement parts, filters, chemical cleanings, and refrigerant are billed separately.

Why Choose Five Star Mechanical?

Serving Deer Park, NY Since 2011

Fair & Competitive Pricing
Pricing reflects true value while maintaining industry standards.
Over 15 Years of Experience
Lean on a local team of experts with the experience to back it up.
Quality Materials & Craftsmanship
We use only the best tools and systems and ensure they're done correctly leaving no mess.
Customer Care Focused
Our top priority is delivering a quality experience to all our customers from beginning to end.

Contact Five Star Mechanical Today!

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What to Expect When You Call for Repairs

Every service call starts with a phone assessment. We ask about your system’s symptoms, age, and recent service history so we can prioritize dispatch and arrive prepared. When our technician reaches your property, they perform an on-site safety check covering power, gas, and airflow conditions in accordance with New York State and local building safety codes.

Before any work begins, we walk you through repair options and pricing. No surprises. No work started without your approval. Many repairs are completed in a single visit.

Warning Signs Your HVAC System Needs Attention

Catching a problem early can keep a minor repair from turning into a full system replacement. These are the most common indicators that something needs attention.

Sounds and performance issues to watch for:

Grinding, rattling, or banging sounds during operation
Weak or absent airflow from vents
Water leaking from an indoor unit
Frequent short-cycling, the system turning on and off repeatedly in short intervals
Error codes displayed on a thermostat or control panel

A spike in your energy bill without a change in usage habits is another signal. A clogged filter, refrigerant leak, failing motor, or control system issue can all force the equipment to work harder than it should. Power surges during electrical storms can also damage HVAC control boards and motors even when the unit appears to be running normally.

Affiliations We're Proud Of

How Nassau County’s Climate Affects Your HVAC System

Nassau County’s humid summers and coastal air exposure put real stress on cooling equipment. Salt air accelerates corrosion on outdoor condenser coils, and the heat waves that hit Long Island in July and August push central air systems hard. Come winter, forced-air heating systems carry a heavy load through sustained cold stretches.

Garden City properties span a wide range. Older buildings along Franklin Avenue may have original ductwork or aging boiler systems that call for careful repair rather than outright replacement. Newer office parks near major Nassau County roadways tend to use packaged rooftop units or modern split systems. Building age, insulation quality, and system type all factor into how we approach each repair call.

Schedule HVAC Repair in Garden City, NY

If your heating or cooling system isn’t performing, don’t wait for a full breakdown. Five Star Mechanical offers same-day and weekend appointments throughout Garden City and Nassau County. Call (516) 447-2113 to book your service call.

Repair or Replace? Factors to Consider

Not every HVAC problem justifies a full replacement, but some do. If your system is experiencing repeated breakdowns, repair costs are climbing toward a significant fraction of what a new unit would cost, or the equipment is nearing the end of its expected service life, replacement may be the more practical investment.

Equipment that has been maintained consistently tends to reach those decision points later than neglected systems. Regular maintenance visits catch small issues, such as worn capacitors or dirty coils, before they cause component failures that drive up repair costs. When we complete a repair, we’ll give you a candid assessment of your system’s overall condition so you can plan ahead rather than be caught off guard.

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