hvac supplies



Most frequent questions and answers

AD Engineering offers a variety of HVAC linesets designed for different applications, including standard and mini-split systems. The primary differences lie in the diameter, insulation type, and length, tailored to specific cooling or heating requirements.

Copper AC refrigerant coils are highly efficient, offering superior thermal conductivity, durability, and resistance to corrosion, which enhances the overall performance and longevity of HVAC systems.

Mini-split systems provide flexible, energy-efficient heating and cooling solutions with minimal installation disruption, making them ideal for residential properties looking to manage individual room temperatures effectively.

Ensuring compatibility involves checking the specifications of both the HVAC system and the linesets, including size, type, and required refrigerant. Consultation with AD Engineering can help identify the most suitable options.

Yes, AD Engineering provides custom lengths for copper refrigerant coils to meet specific installation needs, ensuring a precise fit and optimized performance for various HVAC systems.

AD Engineering offers a range of energy-efficient HVAC products designed to reduce energy consumption and costs while maintaining optimal comfort levels.

Yes, mini-split systems are versatile, offering both heating and cooling capabilities. They are ideal for climates where both functions are necessary throughout the year.


Choosing the right size involves considering the capacity of the HVAC system, the distance between the indoor and outdoor units, and the specific installation requirements. Consulting with a professional is recommended for accurate sizing.

Environmental factors such as climate, humidity, and air quality play a significant role in selecting HVAC equipment, dictating the system’s efficiency, capacity, and the type of insulation required.

AD Engineering offers comprehensive support for installation and maintenance, including technical guidance, troubleshooting advice, and recommendations for ensuring optimal performance and longevity of HVAC systems.

AD Engineering utilizes high-quality, durable insulation materials for HVAC linesets, enhancing system efficiency by minimizing thermal loss, preventing condensation, and ensuring consistent temperature control.

Flared end types are designed for secure, leak-resistant connections without the need for additional welding, ideal for systems requiring frequent disassembly. Plain ends are typically used in permanent installations where a welded or soldered connection is preferred for its durability.

Shop our HVAC Products

Ready to elevate your HVAC system's performance? Dive into our comprehensive selection of top-quality linesets, mini-split systems, and copper AC refrigerant coils designed for efficiency and durability.

Whether you're tackling a residential upgrade or a commercial project, AD Engineering has everything you need. Don't let compatibility or selection doubts hold you back—our expert team is here to guide you to the perfect solution.

Visit our shop today and take the first step towards optimized heating and cooling. Your ideal HVAC solution awaits!

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