High-Efficiency Precision Air Conditioner for Optimal Climate Control

What is a Precision Air Conditioner?

A Precision Air Conditioner is a specialized cooling system designed to maintain constant temperature and humidity for sensitive electronic equipment in data centers, server rooms, telecom facilities, and other mission-critical environments. Unlike standard comfort air conditioners, a Precision Air Conditioner operates 24/7/365 with high sensible heat ratio (≥0.9) and large airflow to handle concentrated heat loads from IT equipment.

Precision Air Conditioner

Proven Track Record in Precision Cooling

With over 20 years of manufacturing experience, Hisurp has shipped more than 10,000 units of Precision Air Conditioner to data centers, server rooms, and telecom facilities across Asia, Europe, and the Americas. Our first Precision Air Conditioner was delivered in 2005 – and it is still running reliably today.

Proof of our experience:

Monthly container loading: 30+ containers of Factory expansion from small workshop to 50,000m² facility

Customer site photos available – showing our product in real operation

What cooling capacities are available for your Precision Air Conditioner?

Hisurp offers Precision Air Conditioner units across a wide capacity range:

Series	Cooling Capacity	Typical Application
Small	7.5 – 20 kW	Server closets, small IT rooms
Medium	25 – 50 kW	Medium data centers, computer rooms
Large	60 – 100 kW	Large data centers, industrial facilities
High Capacity	100 – 150 kW	Enterprise data centers, colocation

Custom capacities are also available upon request.

Technical Comparison Table

Feature	Small Series	Medium Series	Large Series
Cooling Capacity	7.5 – 20 kW	25 – 50 kW	60 – 150 kW
Sensible Heat Ratio	≥0.9	≥0.9	≥0.9
Airflow	2,200 – 5,000 m³/h	6,800 – 12,000 m³/h	15,000 – 34,000 m³/h
Compressor Type	Fixed-speed / Inverter	Scroll / Inverter	Scroll (tandem/digital)
Fan Type	EC centrifugal	EC centrifugal	EC / Belt-driven
Noise Level	≤65 dB(A)	≤70 dB(A)	≤72 dB(A)
Power Supply	380-415V/3Ph/50Hz	380-415V/3Ph/50Hz	380-460V/3Ph/50/60Hz
Refrigerant	R410A / R407C	R410A / R407C	R410A / R407C
Heating (Optional)	3 – 6 kW	9 – 15 kW	18 – 56 kW
Humidification (Optional)	3 – 4 kg/h	4 – 8 kg/h	8 – 25 kg/h

Installation Guide

Installation Step	Key Points
Site Preparation	Reserve service space, ensure floor/ceiling load capacity, verify power supply
Indoor Unit Installation	Level installation, drain pipe slope, seal upflow/downflow openings
Outdoor Unit Installation	Maintain spacing (avoid hot air recirculation), vibration pads, weather protection
Refrigerant Piping	Copper pipe specification, max pipe length & height difference, pressure test, vacuuming
Electrical Connection	Power cable sizing, circuit breaker selection, communication wiring, grounding
System Commissioning	Pre-power check, parameter setup, operation test, alarm verification

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Close Control Unit Air Conditioner

Hisurp Close Control Unit Air Conditioner, also: precision air conditioner, close control unit, is a high-quality product that fully considers the requirements for temperature, humidity, and cleanliness. Compared with modular air conditioners, CCR unit is hygienic, space-saving, and easy to install, thus having a lower initial investment.

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Fan Wall Array Air Conditioner

The Fan Wall Array Air Conditioner is a next-generation ventilation wall system engineered specifically for heat dissipation and temperature & humidity control in computer room environments. It replaces the traditional raised-floor air supply method with a side wall air supply structure powered by a fan wall matrix, offering a more efficient and energy-saving airflow organization model.

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Free Cooling Air Conditioner

Free Cooling Precision Air Conditioner for Energy-Efficient Year-Round Temperature Control
Hisurp's Free Cooling Air Conditioner is designed for technical rooms and process environments that require stable temperature control, continuous operation, and lower energy consumption. It is suitable for data-related equipment rooms, communication rooms, control rooms, laboratories, electrical rooms, and other spaces where heat is generated throughout the year and indoor conditions must remain stable.

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In-row Cooling Units

Hisurp's In-row Cooling Units are designed for equipment-intensive environments where localized heat removal, stable airflow management, and precise cooling control are required. It is suitable for data rooms, equipment cabinets, control areas, electrical rooms, communication rooms, and other technical spaces where heat loads are concentrated and traditional room-level air conditioning may not provide the most efficient cooling path.
Installed close to the heat source, an in-row air conditioner helps shorten airflow distance, improve cooling effectiveness, and reduce hot spots in high-density equipment layouts. Compared with conventional perimeter cooling methods, this approach supports more targeted air delivery and better temperature uniformity in cabinet-row arrangements.

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PAC Precision Air Conditioner

Hisurp PAC Precision Air Conditioner is also known as precision air conditioner, close control unit. For many buyers, a precision air conditioner is attractive because it reduces dependence on building water infrastructure and simplifies installation in retrofit projects. As the professional manufacturer, Hisurp offers air-cooled precision air conditioning systems developed for facilities that require stable temperature and humidity control, but also value compact design, practical service access, and reliable controls.

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Control Room Air Conditioner

A Control Room Air Conditioner is an ideal solution for spaces that require constant temperature, controlled humidity, and dependable air cleanliness without relying on a cooling water system. Hisurp's control room air conditioners are designed for laboratories, metrology rooms, archives, control rooms, food workshops, pharmaceutical areas, and precision machining environments where environmental consistency directly affects product quality and operational stability.
Compared with general comfort air conditioning, this unit focuses on process air control. It integrates refrigeration, dehumidification, humidification, reheating, and air circulation in one compact structure. For facilities where floor space is valuable, the unit offers a practical alternative to larger built-up systems, with simpler installation and lower initial project complexity.

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Temperature And Humidity Control Air Conditioner

Hisurp's Marine Temperature And Humidity Control Air Conditioner is designed for offshore platforms, marine technical rooms, control spaces, equipment rooms, laboratories, and other enclosed environments that require stable temperature and humidity control under demanding sea conditions. Based on Hisurp’s long experience in industrial and special air conditioning, this unit is developed to meet the practical needs of marine applications where environmental stability, durability, and equipment protection are essential.
In offshore and marine projects, indoor air conditions often affect not only personnel comfort, but also instrument reliability, process stability, material preservation, and the service life of electrical and control equipment. Compared with general air conditioning products, a marine constant temperature and humidity unit is built to handle stricter operational requirements and more complex environmental challenges.

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Centralized Control Room Air Conditioner

Hisurp Centralized Control Room Air Conditioner is also known as precision air conditioner, close control unit. For buyers in Southeast Asia, controlling humidity is often as important as controlling temperature. In tropical climates, laboratories, electronics support rooms, food workshops, pharmaceutical areas, and archives may suffer from condensation risk, mold, product inconsistency, and equipment instability if indoor RH is not properly managed. Hisurp’s Air Cooled Precision Air Conditioner is designed to solve these problems in a compact, standalone format.
The system combines refrigeration, dehumidification, humidification, reheating, and filtration in one unit. This integrated design is highly useful in projects where space is limited and a separate chilled water plant is not available or not preferred.

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Close Control Unit

Hisurp is a professional close control unit manufacturer in China, offering customized climate control solutions for laboratories, food workshops, pharmaceutical rooms, archives, precision manufacturing spaces, and industrial control environments.
The air-cooled precision series is designed for buyers who need constant temperature and humidity control without building a dedicated cooling water system. By using direct expansion refrigeration, the unit simplifies system architecture while maintaining the precision required in technical and process spaces.

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Constant Temperature And Humidity Air Conditioner

The Constant Temperature And Humidity Air Conditioner is designed for buyers who need constant temperature and humidity control without building a dedicated cooling water system. By using direct expansion refrigeration, the unit simplifies system architecture while maintaining the precision required in technical and process spaces.

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Chilled Water Precision Air Conditioner

In system of Hisurp Chilled Water Precision Air Conditioner, medium to transport heat generated inside data center to outside environment is chilled water. Chilled water having temperature of 5 to 7℃ supplied to indoor AC unit from Chiller.

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CRAC Unit

CRAC Unit is a high-quality product independently developed and designed by Hisurp based on the introduction of advanced technology. It fully considers the industrial requirements for temperature, humidity, and cleanliness, and compared with modular air conditioners, it has advantages such as small installation space, easy installation, diverse forms, high cleanliness, and low initial investment.

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Dual Coil Unit

As data centers move towards green and low-carbon development, Dual Coil Units are gradually becoming one of the important technical approaches to reduce PUE (Power Usage Effectiveness).

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Double Coil Air Conditioner

Hisurp Double Coil Air Conditioner is a dedicated advanced air conditioning system designed for high reliability scenarios. By configuring two independent cold sources, it can achieve continuous cooling and redundancy throughout the year and is widely used in critical infrastructure environments.

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Hisurp is a professional High-Efficiency Precision Air Conditioner for Optimal Climate Control manufacturer and supplier in China. We warmly welcome you to customized high-quality products at competitive prices from our factory.