Lab refrigerators and freezersENERGY STAR certified
So-Low Environmental DH4-45SGD
45 cu ft high performance refrigerator lab refrigerator.
Total volume
45 cu ft
Daily energy use
3.21 kWh/day
Form factor
Upright
NSF/ANSI 456 certified
No
Of 927 certified high performance refrigerator lab refrigerators and freezers, 880 have a lower daily energy use than the DH4-45SGD (3.21 kWh/day).
At 3.21 kWh/day it uses about 1,172 kWh a year, roughly $152 at 13¢/kWh.
- Maker
- So-Low Environmental
- Model
- DH4-45SGD
- Type
- High Performance Refrigerator
- Form factor
- Upright
- Total volume
- 45 cu ft
- Doors
- 2
- Glass doors
- 2
- Defrost
- Variable
- Daily energy use
- 3.21 kWh/day
- NSF/ANSI 456 certified
- No
- Refrigerant
- R-290
- On the market since
- Dec 2017
- ENERGY STAR certified
- 2 Feb 2018
Certified under the same record
The maker lists these as the same machine or a variant of it: DH4-45SGDCH, EC4-45SGD.
Source: ENERGY STAR certified lab refrigerators and freezers dataset, US EPA, record 4479636, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the DH4-45SGD
Certified lab refrigerators and freezers from other makers, same color class, within 20% of its speed.
| Model | Type | Form factor | Total volume | Daily energy use |
|---|---|---|---|---|
| LabRepCo, LLC LABL-45-SG | High Performance Refrigerator | Upright | 45 cu ft | 3.21 kWh/day |
| American BioTech Supply ABT-HC-LP-49 | High Performance Refrigerator | Upright | 45.3 cu ft | 2.48 kWh/day |
| American BioTech Supply ABT-HC-49S | High Performance Refrigerator | Upright | 45.3 cu ft | 2.48 kWh/day |
| Ares Scientific ARS-HC-49S | High Performance Refrigerator | Upright | 45.3 cu ft | 2.48 kWh/day |
| Ares Scientific ARS-HC-CP-49 | High Performance Refrigerator | Upright | 45.3 cu ft | 2.48 kWh/day |
| Biomedical Solutions, Inc. BSI-HC-49S | High Performance Refrigerator | Upright | 45.3 cu ft | 2.48 kWh/day |
So-Low Environmental
More So-Low Environmental lab refrigerators and freezers
| Model | Type | Form factor | Total volume | Daily energy use |
|---|---|---|---|---|
| DH4-10GD | High Performance Refrigerator | Upright | 10 cu ft | 1.45 kWh/day |
| DH4-38SGD | High Performance Refrigerator | Upright | 38 cu ft | 3.03 kWh/day |
| DH4-27GD | High Performance Refrigerator | Upright | 27 cu ft | 2.26 kWh/day |
| DH4-12GD | High Performance Refrigerator | Upright | 12 cu ft | 1.62 kWh/day |
| DH4-49GD | High Performance Refrigerator | Upright | 49 cu ft | 3.16 kWh/day |
| DH4-74GD | High Performance Refrigerator | Upright | 72 cu ft | 4.2 kWh/day |
| DH4-23GD | High Performance Refrigerator | Upright | 23 cu ft | 2.25 kWh/day |