HVAC Services Melville NY | Call D & D Heating And Cooling

95 Broadhollow Rd, Melville, NY 11747

(631) 367-4328

Business Offerings

  • HVAC installation or replacement
  • HVAC system repair

About the Company

D & D Heating And Cooling is your trusted local HVAC expert serving Melville, NY, and the surrounding communities. We specialize in addressing the most common and costly local HVAC problems, including refrigerant leaks and improper system installations. Our certified technicians provide precise leak detection and EPA-compliant repairs to restore your AC's cooling power and efficiency. More importantly, we believe proper installation is the foundation of system longevity and performance. We ensure every unit is sized, placed, and calibrated correctly for your Melville home, preventing future breakdowns and high energy bills. From emergency repairs to expert installations, D & D is committed to keeping your family comfortable year-round.

Question Answers

What should I do if I suspect a refrigerant leak in my Melville home's AC?

If you notice weak airflow, ice on the coils, or your AC isn't cooling properly, a refrigerant leak is a common culprit here in Melville. The first step is to turn off your system to prevent further damage and call D & D. Our technicians use advanced electronic detectors to pinpoint the exact location of the leak. We then perform a permanent, EPA-compliant repair and recharge the system to the manufacturer's exact specifications, ensuring optimal efficiency and cooling for your home.

Why is proper HVAC installation so important for Long Island homes?

Improper installation is a leading cause of premature system failure and high energy costs in our area. An incorrectly sized or poorly installed unit has to work much harder, leading to frequent breakdowns and uneven temperatures. At D & D, we perform a detailed load calculation for your specific Melville home to ensure your new system is the perfect size. Our meticulous installation process focuses on proper airflow, secure electrical connections, and correct refrigerant charge, guaranteeing reliability, efficiency, and comfort from day one.

Can D & D help improve the efficiency of my current HVAC system?

Absolutely. Many local efficiency problems stem from undiagnosed issues like small refrigerant leaks or installation flaws. We start with a comprehensive system evaluation to check for leaks, assess ductwork, and verify thermostat calibration. Often, a professional tune-up and minor repair can significantly boost your system's performance and lower your energy bills. If a replacement is the best option, we'll provide honest, upfront advice and ensure your new system is installed correctly to deliver maximum efficiency for years to come.

Business Location & Hours



Mon:Open 24 hours
Tue:Open 24 hours
Wed:Open 24 hours
Thu:Open 24 hours
Fri:Open 24 hours
Sat:Open 24 hours
Sun:Open 24 hours


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