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<< Back to Knowledge
Frequently Asked Questions
The natural refrigerant R744 (CO
2
)
Characteristics of R744
What is R744?
Are R744 and CO2 the same thing?
What are the main characteristics of R744?
Why is R744 environmentally friendly?
Does R744 have any impact on the Ozone layer?
Is R744 flammable?
Is R744 toxic?
Where does the CO2 used in refrigeration come from?
Is R744 a totally new refrigerant?
Applications
For which applications is R744 suitable?
What are the main benefits of R744 in Hot Water Heat Pumps?
What is the state of development in this field?
What are the main benefits of R744 in commercial refrigeration?
What is the state of development in this field?
Mobile Air Conditioning
Technology
How does a R744 MAC system work?
What pressure can a R744 system reach in operation?
How do R744 systems differ from those using HFC-134a?
What is the benefit of high-pressure operation?
Which components are different in R744 systems compared to current ones?
Are there any additional benefits resulting from the design of R744 systems?
What is the performance of a R744 MAC system compared to a current one?
Are there special requirements for using a R744 MAC system?
Can I also use the R744 MAC for heating my car?
What are the benefits for the driver?
How fast can a R744 system cool a car?
How much CO2 is needed during one life cycle?
Does a R744 MAC system require servicing?
Environment
Is CO2 not supposed to contribute to global warming?
What are direct emissions?
How does a R744 MAC system reduce direct emissions?
What are indirect emissions?
How does a R744 MAC system reduce indirect emissions?
How can I help the environment by using R744?
Concretely, how much greenhouse gases can R744 save to the atmosphere?
Economy & Market
Are R744 MAC systems already available?
For what kind of cars is R744 suitable?
How much fuel does a MAC system normally consume?
How much fuel can be saved by using a R744 MAC system?
Is a car equipped with R744 MAC more expensive than a present one ... when producing and buying a car?
... when driving and servicing a car?
... when disposing of a car?
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Most active members
Wynand Groenewald
BayBreeze - CO2 heating and cooling applications
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Andrew Kegler
Ergonomy LLC
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Johnson Controls
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Industry News
UPDATE:
Germany awards R744 system for its high-efficiency
CHILLING FACTS 2010 - The Supermarket Refrigeration Scandal Continues
SPAR Netherlands converts to R744 trailers
Global CO2 Supermarket Map - Making progress visible
R744 making inroads in Europe, Australia, and beyond
UK catching up in CO
2
supermarket refrigeration
A complete HFC-free supermarket
Recent Comments
Dear Eddy Jansen Are you only looking for CO2 hea...
KINDLY SEND ME INFORMATION WITH REGARDS TO HEAT PU...
I would like to see a sumple of your R744 parts a...
Hi i need a electronic expansion valve for test r...
A corrected version of the Chilling Facts report h...
Hi everybody I want some informations about the s...
Quero saber se é possível substituir R-22 por R744...
