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Hitachi DX Interface and Control Box

DX Interface and Control Box

The DX Interface or direct expansion kit is a set of “pressure valves/control box” that connects a Hitachi VRF unit or UTOPIA IVX to a system with an evaporator coil and can be controlled as an indoor unit.
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Hitachi Econofresh EF-456NE Fresh air module

Econofresh EF-456NE Fresh air module

The Econofresh can be attached to the RPI size 4, 5 & 6 ducted units. Fresh and recycled air is controlled using a series of dampers.
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Hitachi heat recovery ventilation system

KPI-(E/H/X)3E Energy / Heat Recovery

Hitachi’s Ventilation products adjust the temperature and humidity of incoming fresh air to match the indoor environment, ensuring a stable indoor temperature and saving energy.
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A tablet showing a Hitachi control application

Hitachi Controls

Hitachi offers a wide range of control systems, from simple to complex, which enables intelligent management of its products and systems.
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Blog HVAC Equipment
When is it Time to Replace Your AC Unit?

Improve Your HVAC System With a Complete Range of Products

Outdoor units in a sequence on a rooftop

VRF Outdoor Units

Heat recovery and heat pump systems for applications up to 36 tons.

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VRF Indoor Units

Ducted and non-ducted indoor units.

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Split Systems

The ideal option for personalized comfort, delivering the right amount of heating and cooling.

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