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Lab refrigerators and freezersENERGY STAR certified

Follett FZRNAT5-SD

5 cu ft general purpose freezer lab refrigerator.

Total volume

5 cu ft

Daily energy use

0.66 kWh/day

Form factor

Upright

NSF/ANSI 456 certified

No

Of 9 certified general purpose freezer lab refrigerators and freezers, 0 have a lower daily energy use than the FZRNAT5-SD (0.66 kWh/day).

At 0.66 kWh/day it uses about 241 kWh a year, roughly $31 at 13¢/kWh.

Maker
Follett
Model
FZRNAT5-SD
Type
General Purpose Freezer
Form factor
Upright
Total volume
5 cu ft
Doors
1
Glass doors
0
Defrost
Variable
Daily energy use
0.66 kWh/day
NSF/ANSI 456 certified
No
Refrigerant
R-600a
On the market since
Nov 2022
ENERGY STAR certified
16 Jul 2025

Source: ENERGY STAR certified lab refrigerators and freezers dataset, US EPA, record 4478581, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the FZRNAT5-SD

Certified lab refrigerators and freezers from other makers, same color class, within 20% of its speed.

ModelTypeForm factorTotal volumeDaily energy use
PHCbi PF-L5181W-PAGeneral Purpose FreezerUpright5 cu ft0.66 kWh/day

Follett

More Follett lab refrigerators and freezers

ModelTypeForm factorTotal volumeDaily energy use
REF12i-5B-*00G*High Performance RefrigeratorUpright10.5 cu ft1.14 kWh/day
REFOMN12i-00-*00SHigh Performance RefrigeratorUpright10.5 cu ft1.14 kWh/day
REF12i-00-*00S*High Performance RefrigeratorUpright10.5 cu ft1.14 kWh/day
REF12i-5D-*00S*High Performance RefrigeratorUpright10.5 cu ft1.14 kWh/day
REF12i-5B-*00S*High Performance RefrigeratorUpright10.5 cu ft1.14 kWh/day
REFOMN12i-00-*00GHigh Performance RefrigeratorUpright10.5 cu ft1.14 kWh/day
REF12i-5D-*00G*High Performance RefrigeratorUpright10.5 cu ft1.14 kWh/day
REF12i-00-*00G*High Performance RefrigeratorUpright10.5 cu ft1.14 kWh/day

All Follett lab refrigerators and freezers