Call Our HVAC Specialists in
Massapequa, NY, at (516) 882-7462

Superior HVAC Services

Maintain the temperature of your property with superior heating and air-conditioning repair services from our HVAC company in Massapequa, New York . With over 24 years of experience, Giant Mechanical Systems provides it's customers affordable service and installation services for all types of heating and air-conditioning systems.

You can trust in our expertise—Our skilled technicians assist residential, commercial, and industrial properties with their refrigeration, indoor air quality, and dehumidification needs. Call us at (516) 882-7462 to schedule our HVAC services.


HVAC Services

  Heating & Air-Conditioning Installation

Have our skilled staff install a brand-new air-conditioning and heating system into your building or home.

Air-Conditioning Repair

We carry high-quality chillers, boilers, de-humidification systems, ventilation systems, energy management systems, rooftop equipment, and split air-conditioning systems.


HVAC Services

Additionally, we install central air-conditioning systems and provide fully customizable installation services. Contact us for more information about our quality systems.

 Heater & Air-Conditioning Repair

Trust our technicians to repair your commercial, industrial, or residential heating and air-conditioning systems. From computerized circuit boards and boilers to custom environmental systems, airflow and quality issues, and electrical components, our air-conditioning repair services cover all possible components and problems.

Air-Conditioning Repair

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