Air Conditioning Couplings
National Hose – Air Conditioning Hose Couplings for Reliable HVAC Connections
National Hose supplies air conditioning hose couplings engineered for leak-free performance in automotive, mobile, and industrial HVAC systems. Built to handle refrigerants, lubricants, and high-pressure conditions, these couplings maintain efficient, long-lasting operation in all types of climate-control applications.
Available in a wide range of sizes, thread types, and configurations, our A/C couplings offer chemical compatibility, corrosion resistance, and easy installation. Whether for passenger vehicles, heavy equipment, or plant refrigeration systems, National Hose delivers durable couplings that prevent leaks and keep systems running efficiently.
With Houston-based inventory and expert technical support, we help you find the right A/C hose couplings for your pressure, media, and environmental requirements.
Value Added Advantage:
Locally stocked A/C hose couplings for all HVAC applications
Leak-resistant design for refrigerant and oil compatibility
Durable, corrosion-resistant materials for long service life
Expert guidance for automotive, industrial, and mobile systems
Choose National Hose—your Houston leader in high-performance A/C hose couplings for reliable, efficient HVAC connections.