Lab refrigerators and freezersENERGY STAR certified
So-Low Environmental DH4-23GD
23 cu ft high performance refrigerator lab refrigerator.
Total volume
23 cu ft
Daily energy use
2.25 kWh/day
Form factor
Upright
NSF/ANSI 456 certified
No
Of 927 certified high performance refrigerator lab refrigerators and freezers, 692 have a lower daily energy use than the DH4-23GD (2.25 kWh/day).
At 2.25 kWh/day it uses about 821 kWh a year, roughly $107 at 13¢/kWh.
- Maker
- So-Low Environmental
- Model
- DH4-23GD
- Type
- High Performance Refrigerator
- Form factor
- Upright
- Total volume
- 23 cu ft
- Doors
- 1
- Glass doors
- 1
- Defrost
- Variable
- Daily energy use
- 2.25 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: DH4-23GDCH, DH4-23GDCH-SS, DH4-23GDSS, EC4-23GD..
Source: ENERGY STAR certified lab refrigerators and freezers dataset, US EPA, record 4480315, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the DH4-23GD
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-23-HG | High Performance Refrigerator | Upright | 23 cu ft | 2.25 kWh/day |
| Labrepco, Inc. LHE-26-HG-PHNSF | High Performance Refrigerator | Upright | 23 cu ft | 1.68 kWh/day |
| Labrepco, Inc. LHU-26-HG-PHNSF | High Performance Refrigerator | Upright | 23 cu ft | 1.68 kWh/day |
| Labrepco, Inc. LHP-26-CRTHG | High Performance Refrigerator | Upright | 23 cu ft | 1.68 kWh/day |
| DAI Scientific Equipment DAI-HC-LP-26-TS | High Performance Refrigerator | Upright | 23 cu ft | 1.68 kWh/day |
| DAI Scientific Equipment DAI-HC-LB-26 | High Performance Refrigerator | Upright | 23 cu ft | 1.68 kWh/day |
So-Low Environmental
More So-Low Environmental lab refrigerators and freezers
| Model | Type | Form factor | Total volume | Daily energy use |
|---|---|---|---|---|
| DH4-45SGD | High Performance Refrigerator | Upright | 45 cu ft | 3.21 kWh/day |
| 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 |