Name: Avantco Refrigeration 178Z1RGHC
Brand: Avantco Refrigeration

Avantco Refrigeration 178Z1RGHC

21.3 cu ft vertical transparent door refrigerator. Certified at 2.09 kWh a day, or 763 kWh a year if it runs every day. #68 of 136 vertical transparent door refrigerators 20–30 cu ft, by yearly cost.

$110 at 14.47¢/kWh commercialper year

$1,104 at 14.47¢/kWh commercialover 10 years

$32 at 14.47¢/kWh commercial10-yr extra vs. similar size

Commercial electric rate14.47¢per kWh, the U.S. average for businesses (EIA Electric Power Monthly, Table 5.6.A, commercial sector, August 2026). Your utility tariff may differ, including demand charges.

Yearly cost, side by side

This model$110 at 14.47¢/kWh commercial

Typical similar-size model (90 vertical transparent door refrigerator models)$107 at 14.47¢/kWh commercial

Thirstiest certified vertical transparent door refrigerators$457 at 14.47¢/kWh commercial

Good to know
For business buyers: commercial units are tested at a fixed door-opening schedule. A busy kitchen, a warm back room or blocked condenser coils will raise real use. Cleaning the condenser coils regularly keeps it close to the rating.

Also sold as

178Z1RGWMS

Certification history

ENERGY STAR certified 2022-10-06. On the market since 2022-09-19. EPA record 2402417.

Energy and specs

Type	Vertical Transparent Door Refrigerator
Marketed as	Reach-in
Configuration	Vertical
Total volume	21.26 cu ft
Doors	1 (0 solid, 1 glass)
Door type	Hinged
Height × width × depth	81.69 × 28.98 × 31.42 in
Certified daily energy	2.09 kWh per day
Yearly energy (365 days)	763 kWh
Defrost	Automatic
Refrigerant	R-290 (GWP:3 \| Lower GWP)
Markets	United States

Source: EPA ENERGY STAR Certified Commercial Refrigerators and Freezers, record 2402417. Most Efficient reflects the EPA field "meets most efficient criteria".

Similar models from other brands

Rule: certified vertical transparent door refrigerators within 2 cu ft of this one (19.3 to 23.3 cu ft), other brands only, lowest energy first.

Brand	Model	Size	Energy	Cost
True Refrigeration	T-23G-PT-HC~FGD01	20.9 cu ft	478 kWh	$69 at 14.47¢/kWh commercial/yr
Desmon Spa	PGM07G-A	19.4 cu ft	489 kWh	$71 at 14.47¢/kWh commercial/yr
Desmon Spa	PGM07G-C-A	19.4 cu ft	489 kWh	$71 at 14.47¢/kWh commercial/yr
U-Line	UCRP125-GS31A	19.4 cu ft	489 kWh	$71 at 14.47¢/kWh commercial/yr
True Refrigeration	T-23G-2-HC~FGD01	19.6 cu ft	515 kWh	$74 at 14.47¢/kWh commercial/yr
True Refrigeration	TS-23G-2-HC~FGD01	19.6 cu ft	515 kWh	$74 at 14.47¢/kWh commercial/yr

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Avantco Refrigeration 178Z1RGHC

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