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Kaltra
Kaltra logo
  • Products
      • CHILLERS
          • AIR-COOLED CHILLERS
            • Lightstream Screw-W Inverter
            • Lightstream Screw-W
            • Lightstream Screw II Inverter
            • Lightstream Screw II
            • Lightstream Scroll II
            • Lightstream Turbo II
            • Ultracompact II
            • Ultracompact
          • FREE COOLING CHILLERS
            • Lightstream Freecool
            • Lightstream Screw-V Inverter
            • Lightstream Screw-V
            • Lightstream Scroll
            • Lightstream Turbo
            • Ultracompact II Freecool
          • WATER-COOLED CHILLERS
            • Powerstream Screw Inverter
            • Powerstream Screw
            • Powerstream Screw DC
            • Powerstream Turbo
            • Easystream II Inverter
            • Easystream II
      • PRECISION AIR CONDITIONERS
          • DIRECT EXPANSION A/C
            • Lambda DX/DXU
            • Compact DX
            • Delta DX/DC
          • CHILLED WATER A/C
            • Lambda CW/CWU
            • Compact CW
            • Delta CW/CWU
          • IN THE NEWS

            • Refrigerant economizer option available for Lambda DX CRAC units

               DX precision air conditioner

              Read more

            • Kaltra to launch dual-circuit precision cooling units

               CRAH precision air conditioner

              Read more

      • IT / DATA CENTER COOLING
          • ROOM-BASED COOLING
            • Lambda CW II-M
          • ROW-BASED COOLING
            • Lambda In-Row CW II
            • Lambda In-Row CW
          • RACK-BASED COOLING
            • In-Rack CW
          • IN THE NEWS

            • Kaltra extends its range of precision air conditioners for IT cooling

               CRAC precision cooling unit

              Read more

            • 50% capacity increase for new generation in-row cooling system

               In-row cooling unit

              Read more

      • CONDENSERS
          • AIR-COOLED CONDENSERS
            • Bora Series
            • Bora XL Series
            • Borrum Series
            • Mistral Series
            • CNM Series
            • LCC Series
          • IN THE NEWS

            • Kaltra extends its portfolio with evaporative condensers

               Bora air-cooled condenser

              Read more

            • Low-charge air-cooled condensers for use with low-GWP refrigerants

               Low-charge air-cooled condenser

              Read more

      • DRY COOLERS
          • DRY COOLERS
            • Bora Series
            • Bora XL Series
            • Mistral Series
            • Jumbo Cooler
            • LCD Series
          • IN THE NEWS

            • Kaltra raises the bar for industrial dry coolers

               Mistral series dry cooler

              Read more

            • Dry coolers vs. wet cooling towers

               Dry cooler

              Read more

      • HEAT EXCHANGERS
          • MICROCHANNEL HEAT EXCHANGERS
            • Microchannel Condensers
            • Microchannel Evaporators
            • Microchannel Water Coils
            • Small Cooling Coils
            • Replacement Coils
          • PROTECTIVE COATINGS
            • Electrophoretic Coating
            • TCP-Coating
            • Nano-Scale Coating
          • IN THE NEWS

            • Industry trends in heat transfer technology

               Microchannel condenser

              Read more

            • Innovative coating improves heat exchanger performance

               Microchannel evaporator

              Read more

  • Technologies
      • HEAT EXCHANGERS
          • MICROCHANNEL HEAT EXCHANGERS
            • Microchannel Condensers
            • Microchannel Evaporators
            • Microchannel Water Coils
            • Serpentine Heat Exchangers
            • Replacement Coils
          • PROTECTIVE COATINGS
            • Electrophoretic Coating
            • TCP-Coating
            • Nano-Scale Coating
          • IN THE NEWS

            • Kaltra expands manufacturing facilities for microchannel heat exchangers

               MCHE manufacturing

              Read more

            • Kaltra creates a leading edge with nanoscale coating for microchannel heat exchangers

               Microchannel heat exchanger

              Read more

      • FREE COOLING
          • FREE COOLING
            • Lightstream Freecool
            • Lightstream Screw-V Inverter
            • Lightstream Screw-V
            • Lightstream Scroll
            • Lightstream Turbo
            • Ultracompact II Freecool
          • IN THE NEWS

            • Free cooling modules to integrate with air-cooled chillers

               Air-cooled chiller

              Read more

            • Free cooling chillers: energy savings through reducing the need for DX mechanical cooling

               Free cooling chiller

              Read more

      • EVAPORATIVE COOLING
          • EVAPORATIVE COOLING
            • Ultracompact II Chillers
            • Bora Condensers
            • Bora Dry Coolers
            • Jumbo Cooler
          • IN THE NEWS

            • Enhancing air-cooled chiller performance with evaporative cooling

               Evaporatively-cooled chiller

              Read more

            • Hybrid dry coolers: a water-saving cooling solution

               Hybrid dry cooler

              Read more

      • REFRIGERANTS
          • LOW-GWP REFRIGERANTS
              • R1234ze
              • R513a
              • R449a
              • R450a
              • R455a
              • R452b
              • R454a
              • R454b
              • R454c
              • R32
          • IN THE NEWS

            • Microchannel coils: your best choice for propane applications

               Microchannel coil

              Read more

            • Lower-GWP alternatives to refrigerant R410a for air-cooled chillers

               Low-GWP refrigerants

              Read more

  • Insights
      • PRODUCT UPDATES
        • LATEST PRODUCT UPDATES
            • Microchannel tube with variable port sizeKaltra introduces microchannel coils with axially-graded tube port sizesApril 14, 2025
            • MCHEselect online selection softwareKaltra releases MCHEselect: online selection software for microchannel heat exchangersMarch 20, 2025
            • Microchannel coilChilled water coil design enhanced for application flexibility and extended lifespanFebruary 27, 2025
            • MCHE nanoscale coatingKaltra creates a leading edge with nanoscale coating for microchannel heat exchangersDecember 1, 2024
            • 3F05 aluminum alloy tubesKaltra to deliver first microchannel heat exchangers made of 3F05 aluminum alloyOctober 30, 2024
            • MCHE selection toolKaltra announces the launching of an updated online MCHE selection toolOctober 25, 2024
          • Read all
      • PRESS RELEASES
        • LATEST PRESS RELEASES
            • Microchannel heat exchanger design softwareKaltra releases MCHEdesign – intelligent software support for microchannel heat exchanger designOctober 3, 2025
            • Microchannel coil manufacturing plantKaltra reports 250% year-on-year growth in microchannel coil sales for data center applicationsSeptember 12, 2025
            • MCHE helium leak test stationKaltra’s second factory reaches nominal capacity of 800,000 microchannel heat exchangers annuallySeptember 1, 2025
            • Microchannel coil selection software AI modeKaltra announces AI-powered design mode for its MCHE selection softwareJuly 8, 2025
            • Kaltra manufacturing plantPrecision-engineered MCHEs through smart component selectionJune 27, 2025
            • Automatic core builderKaltra accelerates factory automation with new core builders and CAB furnace expansionMay 30, 2025
          • Read all
      • CASE STUDIES
        • LATEST CASE STUDIES
            • Automatic core builderKaltra accelerates factory automation with new core builders and CAB furnace expansionMay 30, 2025
            • MCHE continuous CAB furnaceKaltra significantly lifted its production capacity in 2025April 23, 2025
            • Air-cooled chillerMore Lightstream Screw II deals underwayMarch 21, 2024
            • MCHE replacement coils for York chillersKaltra supplied replacement coils for large chiller installation in Florida, USAJuly 8, 2023
            • Air-cooled chillerFirst Ultracompact-V II chillers delivered for Stettler Mauritius – the world’s leading manufacturer of sapphire productsMay 23, 2023
            • Air-cooled screw chillerKaltra supplies high-efficient chillers for Sloterdijk, a business district in AmsterdamDecember 6, 2022
          • Read all
      • ARTICLES
        • LATEST ARTICLES
            • Automated helium leak testingHelium leak test explainedJune 25, 2025
            • Microchannel evaporator coilRefrigerant distribution in microchannel evaporator at multiport tube levelFebruary 18, 2025
            • MCHE productionExploring heat exchanger inclination angle: effects on heat transfer and air pressure dropsJanuary 6, 2025
            • Microchannel heat exchangerMicrochannel coil cleaner: could it be used or not?December 10, 2024
            • Microchannel coilThe effect of protective coatings on the thermal-hydraulic performance of MCHEsNovember 8, 2024
            • Microchannel evaporatorRefrigerant distribution optimization for microchannel evaporators: Part IISeptember 6, 2024
          • Read all
  • Services
      • SUPPORT
        • SUPPORT/MAINTENANCE
          • Technical Support
          • Maintenance Service
          • Replacement Parts
          • Delivery
      • SERVICES
        • VALUE-ADDED SERVICES
          • Engineering/Manufacturing
          • Startup/Commissioning
          • Remote Services
          • Equipment Upgrades
      • Support Home
  • About
    • ABOUT KALTRA
    • Contacts
    • Corporate News
    • Career
  • Menu Menu

Welcome to Kaltra

You are here: Home
Microchannel coils
Microchannel heat exchanger

MICROCHANNEL
HEAT EXCHANGERS

NEW-GENERATION
CHILLERS

MCHE DESIGN
SOFTWARE

MICROCHANNEL
HEAT EXCHANGERS

❯ DISCOVER

MICROCHANNEL COILS:

GLOBALLY RECOGNIZED FOR EXCELLENCE IN QUALITY

In the news

Read More Publications

2025 MCHE production
capacity expansion

April 23, 2025

Microchannel heat exchanger selection software
MCHE coating

MICROCHANNEL
HEAT EXCHANGERS

NEW-GENERATION
CHILLERS

❯ DISCOVER

MCHE DESIGN
SOFTWARE

TECHNOLOGY:

MCHE ONLINE DESIGN SOFTWARE

In the news

Read More Publications

Released: AI-driven
MCHE design software

October 3, 2025

Air-cooled chiller
Lightstream Screw Evo air-cooled chiller

MICROCHANNEL
HEAT EXCHANGERS

MCHE DESIGN
SOFTWARE

❯ DISCOVER

NEW-GENERATION
CHILLERS

EFFICIENCY:

ENERGY SAVINGS WITHOUT COMPROMISES

In the news

Read More Publications

Next-gen air-cooled
chillers launched

January 12, 2024

LEADING EFFICIENCIES

The equipment we create is ideal for those who are focused on energy efficiency: the latest technologies inbuilt in our products contribute to maximizing efficiency and energy savings.

ENVIRONMENTAL SAFETY

Kaltra is an environmental leader who promotes sustainable growth of environmental protection in all its products – all meet the latest stringent requirements and carefully engineered with attention to the reduction in the environmental impact.

HIGHEST RELIABILITY

At Kaltra, quality is a result of continuous improvements at every stage of engineering and manufacturing and forms the backbone of reliability of all equipment that came out from our factories.

FEATURED PRODUCTS

Lightstream Screw Evo air-cooled chiller

New-gen air-cooled chillers

Latest technologies integrated into Lightstream Screw Evo chillers deliver exceptional efficiency across the entire operating range and various running conditions while prioritizing environmental safety

Discover
Microchannel heat exchanger

Microchannel heat exchangers

Being a leader in microchannel coil technology, Kaltra offers products of the highest quality, corrosion resistance, and durability, suitable for diverse applications: condensers, evaporators, dry coils, and more

Discover
MCHE nano-coating

Nanoscale coating for MCHE

The nanoscale coating uses tri-chrome nanoparticles and bonding agents to create a protective, ultra-thin layer on aluminum microchannel heat exchangers, improving resistance to environmental factors

Discover

View all Kaltra products

NEWS AND INSIGHTS

Automatic core builder

Kaltra accelerates factory automation with new core builders and CAB furnace expansion

May 30, 2025
Kaltra boosts coil production with new automated core builders and CAB furnace, enhancing quality, capacity, and delivery speed in 2025 factory upgrade.
Read more
https://www.kaltra.com/wp-content/uploads/2025/05/ft_2025-mche-factory-upgrade.png 600 1200 KALTRA https://kaltra.com/wp-content/uploads/2019/09/kaltra-logo-2020-2.png KALTRA2025-05-30 00:00:002025-05-30 10:19:42Kaltra accelerates factory automation with new core builders and CAB furnace expansion
MCHE continuous CAB furnace

Kaltra significantly lifted its production capacity in 2025

April 23, 2025
Kaltra boosts microchannel coil production capacity to 3 million units annually with major investments in plant machinery and infrastructure.
Read more
https://www.kaltra.com/wp-content/uploads/2025/04/ft_continuous-cab-furnace-mche.png 600 1200 KALTRA https://kaltra.com/wp-content/uploads/2019/09/kaltra-logo-2020-2.png KALTRA2025-04-23 00:00:002025-04-23 07:14:50Kaltra significantly lifted its production capacity in 2025
Air-cooled chiller

More Lightstream Screw II deals underway

March 21, 2024
The most innovatively engineered and efficient air-cooled chillers of Kaltra and leading in its class globally, Lightstream Screw II lifts new heights in sales.
Read more
https://www.kaltra.com/wp-content/uploads/2024/03/ft_lightstream-screw-ii-air-cooled.png 600 1200 KALTRA https://kaltra.com/wp-content/uploads/2019/09/kaltra-logo-2020-2.png KALTRA2024-03-21 00:00:562024-04-11 13:05:23More Lightstream Screw II deals underway

Read all publications

GLOBAL LEADER IN MICROCHANNEL COILS AND ADVANCED COOLING TECHNOLOGIES

Kaltra is a premier manufacturer of next-generation microchannel heat exchangers, supplying OEMs and system integrators in HVAC, refrigeration, ventilation, and industrial cooling sectors. With a dedicated focus on coil innovation, we offer one of the industry’s widest ranges of microchannel designs—engineered for maximum thermal efficiency, corrosion resistance, and space optimization.

As a technology-driven company, Kaltra leverages its expertise in microchannel development to power a full range of high-performance cooling systems, including air-cooled and water-cooled chillers, free cooling solutions, precision air conditioning, dry coolers, and evaporative systems.

Our success is built on continuous R&D, fast-paced innovations, and a commitment to manufacturing excellence. Today, millions of Kaltra coils are in service worldwide, trusted by leading manufacturers for their reliability, performance, and long service life—even in the harshest environments.

Kaltra proudly supports over 1,000 customers in 65 countries—ranging from small enterprises to global corporations—offering tailored thermal management solutions backed by global support.

PRESALE QUESTION?

Whether you have questions regarding equipment selection or designing your HVAC system, please contact our Presale Team and receive in-deep consultancy and comprehensive, targeted technical support.

Contact us

NEED SUPPORT?

Kaltra provides competent support and systematic troubleshooting for its customers by phone or online. Our specialists will address your issue at any time, day or night, in a rapid and purposeful manner.

24/7 Hotline

CONTACT US

For any inquiry you may have, select the right contact at Kaltra offices across Europe to mail or call us, appoint a meeting, or schedule your visit. Reach us out online to learn more about Kaltra equipment and services.

Find a contact

WHO WE WORK WITH

SwissGrid
Volkswagen
Siemens
Thyssen
Sanofi
Renault
Chemours
Unilever
NV Energy
Intel
Mitsubishi
Merck
Hyundai
Henkel
Honeywell
Google
ExxonMobile
Bombardier
Chevron
Airbus
RePower
BASF
Boeing
Bayer

View all case studies

LATEST NEWS

  • Microchannel heat exchanger design software
    Kaltra releases MCHEdesign – intelligent software support for microchannel heat exchanger designOctober 3, 2025 - 12:00 am
  • Microchannel coil manufacturing plant
    Kaltra reports 250% year-on-year growth in microchannel coil sales for data center applicationsSeptember 12, 2025 - 12:00 am
  • MCHE helium leak test station
    Kaltra’s second factory reaches nominal capacity of 800,000 microchannel heat exchangers annuallySeptember 1, 2025 - 12:00 am
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USEFUL LINKS

  • Home
  • Downloads
  • Contacts
  • Precision Cooling
  • IT/Data Center Cooling
  • Water Chillers
  • Condensers
  • Dry Coolers
  • MCHE

WHO WE ARE

Kaltra is a customer-focused developer and supplier of reliable, energy efficient thermal management equipment and solutions.

From the professionalism of our research and development engineers to the wide experience of our service team, we are dedicated to delivering you the best service possible.

More about Kaltra

CONTACTS

Kaltra GmbH

Viktualienmarkt 8
80331 Munich
Germany

Email: [email protected]

+49 (0) 911 384 333 48

Terms of Sale

Terms of Use

© 2014- Kaltra
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