Bitzer 44DES-14Y
German-engineered semi-hermetic reciprocating and screw compressors for industrial refrigeration.


Specifications
- Compression technology: Reciprocating
- Configuration: Tandem
- Enclosure / drive: Semi-Hermetic
- Cylinders: 4
- Variable speed: Not Stated
- Hazardous-area certification: Not Stated
- Product category: compressor
Qualified refrigerants & capacity
Capacity (kW) evaluated at standard conditions: ULT (-60/45 °C), LT (-35/45 °C), MT (-10/45 °C), HT (-5/45 °C).
| Refrigerant | ULT | LT | MT | HT |
|---|---|---|---|---|
| R1234yf | — | — | 15.32 | 19.16 |
| R134a | — | — | 15.64 | 19.93 |
| R404A | — | 8.29 | 27.61 | 33.74 |
| R407A | — | 5.71 | 24.82 | 31.16 |
| R407C | — | — | 23.65 | 29.71 |
| R407F | — | 6.18 | 26.56 | 33.31 |
| R448A | — | 6.28 | 26.0 | 32.51 |
| R449A | — | 6.3 | 25.89 | 32.34 |
| R450A | — | — | 13.57 | 17.32 |
| R454C | — | 5.58 | 22.49 | 28.01 |
| R455A | — | 6.03 | 24.2 | 30.16 |
| R507A | — | 8.69 | 28.34 | 34.55 |
| R513A | — | — | 16.6 | 20.9 |
Related Bitzer models
Frequently asked questions
What refrigerants does the Bitzer 44DES-14Y support?
The Bitzer 44DES-14Y is qualified for R1234yf, R134a, R404A, R407A, R407C, R407F, R448A, R449A, R450A, R454C, R455A, R507A, R513A. Capacity values at standard ULT (-60/45 C), LT (-35/45 C), MT (-10/45 C), and HT (-5/45 C) conditions are listed in the table above for each refrigerant.
What is the cooling capacity of the Bitzer 44DES-14Y?
Running on R507A, the Bitzer 44DES-14Y delivers 8.69 kW at LT, 28.34 kW at MT, 34.55 kW at HT. Use the Benchmark tool to evaluate capacity at your exact SST/SDT and superheat conditions.
Can the Bitzer 44DES-14Y be retrofit to a lower-GWP refrigerant under EU F-Gas Regulation 2024/573?
Open the F-Gas Retrofit tool with this model pre-selected to see drop-in alternatives ranked by capacity match, COP, GWP, PFAS impact, and 2026/2030/2035 phase-out timeline.
What polynomial standard is the Bitzer 44DES-14Y performance data based on?
Capacity, power, and current polynomials follow EN 12900 for European-origin brands and AHRI 540 for North American brands. Coefficients are normalized into a common form for cross-brand comparison. Fit your own data in the Polynomial Fitter tool.