Rear Door Heat Exchangers

Active, Passive, or Microchannel Models

Our Rear Door Heat Exchangers (RDHx), used in combination with our Cooling Distribution Units, provide the most energy and space-efficient, high-density server rack cooling on the market, as tested by Silicon Valley Leadership Group (SVLG) who found that this system used just 20% of energy compared to conventional close-control air conditioning unit systems.

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Benefits & Features
Technical Specifications
Product Literature

Types of Rear Door Heat Exchangers

Passive (up to 30 kW of cooling) — No fans except the server fans are used in the system
Active (up to 50 kW of cooling) — High-efficiency fans are used as part of the system
Microchannel (up to 20 kW of cooling) — Microchannel heat exchangers use a pumped refrigerant that removes heat more efficiently than water

Benefits & Features

Efficiency and Cost Savings

Reduces cooling energy consumption by 90% or more.
Reduces capital and total cost of ownership by 50%.
100% sensible cooling with no condensate.

Installation Ease

Units install in minutes, ideal for retrofit or replacing existing units.
Provide the most flexible upgrade path.
No re-arrangement of enclosures required.

Flexibility and Scalability

Compatible with most enclosures and racks.
Top feed or bottom feed connections.

Case Studies

University of Warwick

Hadron Collider

Technical Specifications

ServerCool® RDHx’s/CDU Cooling

Range of Effective Cooling (kW per rack)

5.0 - 30.0

Energy per 15 0kW Cooling (kW)

2.8

Approx. Capital Expenditure + Energy Cost for 150 kW Cooling for 5 Years

87,600

CO² Emissions for 150 kW Cooling for 5 Years

53,524 kg

Footprint per 150kW Cooling (m²)

0.4

Upgrade Path and Flexibility

Easy Retrofit

Noise Addition in Data Center

Low

Built-in Redundancy of Moving Parts

Yes

Condensate-Free Operation

Yes

Low (<3 bar) Operating Pressure for Safety

Yes

Consequence of Failure or Leak

Small Volume Secondary Water Loop, No Impact on Shut Down

For complete specifications, see the Rear Door Heat Exchanger and Cooling Distribution Unit Brochure.

Product Literature

Active Rear Door Heat Exchanger Product Brochure

Rear Door Heat Exchangers

Rear Door Heat Exchangers

Types of Rear Door Heat Exchangers

Benefits & Features

Case Studies

Technical Specifications

Product Literature

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