INABA DENKO is a leading Japanese manufacturer of HVAC accessories for air-conditioning and heat pump installations, with over 85 years of experience.

Our core product range includes trunking systems (Pipe cover), copper pipes, drain hoses, pipe supports, condenser risers, and mounting brackets—ideal for mini-split, VRF, and unitary heat pump applications.

Our SLIMDUCT pipe cover series stands for quality, precision, and durability. With its sleek and modern design, it blends seamlessly into contemporary homes while providing long-lasting protection for your valuable piping.