Table of Contents
What is the GWP of r134a?
For example, R‑410A is made up of 50\% R‑32 and 50\% R‑125….Global warming potential values of hydrofluorocarbon refrigerants.
| Code | R-134A |
|---|---|
| Substance Name | HFC-134a |
| Chemical Name | Tetrafluoroethane |
| Chemical Formula | CH2FCF3 |
| GWP (AR4) | 1,430 |
What is the GWP of R410A?
2,088
R410A has a GWP of 2,088 meaning that if one kilogram is released into the atmosphere it would have 2,088 times the harmful effect of one kilogram of carbon. That is why we are now seeing a move to a new refrigerant – R32, which has a GWP of 675 (two-thirds less than R410a).
What does GWP of 1 mean?
Specifically, it is a measure of how much energy the emissions of 1 ton of a gas will absorb over a given period of time, relative to the emissions of 1 ton of carbon dioxide (CO2). CO2, by definition, has a GWP of 1 regardless of the time period used, because it is the gas being used as the reference.
What refrigerant has lowest GWP?
R-717
According to the California Air Resources Board, that would be R-717, which has a 100-year GWP of 0. R-717 goes by the trade name Ammonia, which has been around since the 1930s. Experts today recognize it as the most efficient refrigerant in the world.
What is the GWP of R22?
1,810
The most common refrigerant today, R-22, has a 100-year GWP of 1,810, almost 2,000 times the potency of carbon dioxide, so just one pound of R-22 is nearly as potent as a ton of carbon dioxide.
What is the GWP of Freon 12?
Refrigerants – Ozone Depletion (ODP) and Global Warming Potential (GWP)
| Refrigerant | Ozone Depletion Potential (ODP) | Global Warming Potential (GWP) |
|---|---|---|
| R-11 Trichlorofluoromethane | 1.0 | 4000 |
| R-12 Dichlorodifluoromethane | 1.0 | 2400 |
| R-13 B1 Bromotrifluoromethane | 10 | |
| R-22 Chlorodifluoromethane | 0.05 | 1700 |
Is r410a a Class 1 refrigerant?
No. Just like R-22 the new R-410A is rated as an A1 classification by ASHRAE. A means non-toxic and 1 means non-flammable.
What is GWP refrigerant?
Global Warming Potential, or GWP, is a measure of how destructive a climate pollutant is. The most common refrigerant today, R-22, has a 100-year GWP of 1,810, almost 2,000 times the potency of carbon dioxide, so just one pound of R-22 is nearly as potent as a ton of carbon dioxide.
How is GWP of refrigerant calculated?
Example calculation For example the global warming potential of HFC 404A is 3,922. Therefore the tonnes CO2 equivalent of 10kg of HFC 404a is calculated as follows: Mass (in tonnes) of F gas multiplied by GWP of F gas. = (10/1,000) * 3,922.
Is R134a low GWP?
For R134a alternatives, the situation is more favorable. Due to the already quite low GWP of R134a, a blend with R1234yf and/or R1234ze(E) allows a formulation of non-flammable refrigerants with a GWP of approx. 600.
Is R-22 a Class 1 refrigerant?
R-22 is a Class II controlled substance or ozone depletion substance (ODS). This is why R-22 has been on a gradual phase out since 2013. It is scheduled to completely phase out by 2020 https://www.epa.gov/ods-phaseout .
What are the different types of refrigerant gas?
Different types of refrigerant gases include chlorofluorocarbon (CFC), hydrochlorofluorocarbon (HCFC), hydrofluorocarbon ( HFC ), perfluorocarbon (PFC), and blends made from ammonia and carbon dioxide.
What is the refrigerant made of?
Most natural refrigerants are made from two molecules—methane and ethane. These two molecules contain only hydrogen and carbon and are known as pure hydrocarbons. To make R-22, a synthetic refrigerant, some of the hydrogen atoms are removed and replaced by chlorine and fluorine .
What is a refrigerant pump?
A refrigerant pump is part of a heating, ventilating, and air conditioning (HVAC) unit.