Accelerating Clean Cooling & Heating

Contact UsNewsletter
01

Why this matters

Most refrigeration runs on chemicals that warm the planet, or quietly poison it.

HFCs warm the atmosphere up to 14,000× more than CO₂. Their HFO replacements break down into TFA, a forever chemical now detectable in rain, ice, and human blood.

The answer

CO₂, ammonia, hydrocarbons. Proven for over a century. They don't warm the planet, and they don't leave a forever chemical behind.

Natural refrigerants avoid both.

02
Primary metric

A year of avoided emissions, made visible.

GHG emissions Güntner avoided over the lifetime of 2023's equipment placed in the market.

Güntner · 2023

714,000metric tons of CO₂e avoided.

Over the lifetime of 2023's equipment placed in the market. The comparisons that follow show what that volume actually looks like.

03
In real-world terms

What it adds up to.

90k
homes / year
powered for a year on the same footprint
159k
petrol cars off the road
for one year of driving emissions avoided
2.9B
km not driven
distance equivalent never burned in a tank
5.9%
of Munich Metropolitan Region's
annual city emissions
04

Growth

Cumulative avoided CO₂e emissions over the years.

Güntner has been ATMO Approved since 2021, now 3 consecutive years of independently verified impact.

0
metric tons of CO₂e · GWP 20 years
0
metric tons of CO₂e · GWP 100 years
05
Founder

In the words of the people who built it.

Receiving the ATMO Approved Label for 2026 reaffirms our unwavering commitment to leading the cooling industry toward a sustainable future. At Güntner, we remain dedicated to maximizing climate impact by focusing on the highest standards of energy efficiency and natural refrigerant technology. Following the successful integration of our Impact° label, we continue to provide our partners with the transparency and innovation needed to achieve their decarbonization goals. This recognition validates our role as a global pioneer in clean, future-proof cooling solutions.

Michael Freiherr (Head of Technologies & Innovation)
06
Voices from the field

What operators say after a year on natural refrigerants.

Jakob Tercon
Business Development Manager
Zudek Srl
Performance
How has the system performed over the past year?

Yes. The performances stated in Güntner's technical documentation were confirmed also during operations. The product is very reliable.

Jakob Tercon
Business Development Manager
Zudek Srl
Quality & Reliability
How has the build quality and reliability held up?

We did not experience breakdowns or recurring issues. Güntner is benchmarked as a high-quality product in the market and in relation to its competition. If there is not a specific request by the end user, we normally always rely on Güntner's solutions.

Jakob Tercon
Business Development Manager
Zudek Srl
Safety
How has safety been operating natural refrigerants?

Yes. At Zudek we only work with ammonia and since Güntner is also experienced with this refrigerant, this gives us additional confidence.

Jakob Tercon
Business Development Manager
Zudek Srl
Service
How was the level of service and technical support?

Yes, Güntner's engineers and technicians remain committed also in aftersales.

Jakob Tercon
Business Development Manager
Zudek Srl
Satisfaction
Would you work with this company again?

As said we normally always choose Güntner for drycoolers, condensers and evaporators. Although Güntner's products may be slightly less competitive in terms of price, this is justified by the higher quality of their products.

Jakob Tercon
Business Development Manager
Zudek Srl
Training
Did the training prepare your team to run the system?

We only deal with natural refrigerants (ammonia) and with Güntner already several years, so specific training is no longer needed.

Marcel Werkhoven
Contract Manager
Frimex
Satisfaction
Would you work with this company again?

We've been doing business with Gunter for years; we have a good relationship.

Stefano Truglio
Sales Manager
Crea SPA
Performance
How has the system performed over the past year?

Yes, the system has been performing in line with the expected specifications and operational requirements. Overall, we have been very satisfied with its reliability and consistency in daily operation.

Stefano Truglio
Sales Manager
Crea SPA
Quality & Reliability
How has the build quality and reliability held up?

To date, the system has shown very good reliability and stable performance. We have not experienced any significant breakdowns or recurring issues so far.

Stefano Truglio
Sales Manager
Crea SPA
Safety
How has safety been operating natural refrigerants?

Yes, in our experience the supplier has taken the necessary safety requirements into account and delivered a system that is safe to operate. Overall, we were satisfied with the attention given to safety during the project.

Stefano Truglio
Sales Manager
Crea SPA
Service
How was the level of service and technical support?

Yes, we were satisfied with the level of service and technical support provided throughout the project. The company was collaborative, and met the expected commitments in terms of delivery and overall support.

Stefano Truglio
Sales Manager
Crea SPA
Satisfaction
Would you work with this company again?

Based on our overall experience, we would be very likely to collaborate with this company again. Their strong technical background and reliability were the main factors influencing our positive evaluation.

Stefano Truglio
Sales Manager
Crea SPA
Training
Did the training prepare your team to run the system?

Yes, the partner provided valuable technical training and educational support related to the management of their equipment. In particular, the training on their selection software was very useful and helped improve our during selection.

07
The company

Güntner: company profile.

Güntner is a globally recognized leader in heating and cooling solutions, with over 90 years of engineering expertise. The company serves a broad range of industries — from food preservation and building climate control to renewable energy systems — blending technical precision with a strong vision for the future rooted in innovation and adaptability.

Güntner specializes in high-performance heat exchangers, including air coolers, condensers, dry coolers, and gas coolers, engineered for efficiency and durability in demanding applications. Sustainability is a core principle: the company integrates renewable energy and efficient water treatment across its manufacturing facilities, and its unique "Planted Plant" concept brings greenery into industrial workspaces to foster healthier environments. All systems are designed for minimal energy and water consumption, reducing environmental impact at every level.

Work with Güntner

Tell us about your project. We'll route the conversation to the right team.

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Become ATMO Approved

Does your company use natural refrigerants?

The ATMO Approved label is independently verified. Not self-declared, not marketing. If your equipment runs on CO₂, ammonia, hydrocarbons, or water, you may qualify.

Apply for the labelLearn how the process works