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Koolmore KM-RERFDSSIW-31

31.7 cu ft bottom freezer. Uses 5% less energy than the federal limit for its class. #23 of 50 bottom-freezer fridges 30+ cu ft, by yearly cost.

Source: EPA ENERGY STAR Certified Residential Refrigerators dataset, data.energystar.gov. Refreshed Oct 24, 2026.

$130 at 18.16¢/kWhper year
$1,297 at 18.16¢/kWhover 10 years

Recall check

No CPSC recall found for this brand's fridges as of Oct 24, 2026

We search CPSC recall titles and product names for refrigerators, fridges and freezers. Always confirm at cpsc.gov.

Rebates

Rebates change by ZIP code and store. Check rebates near you.

Your electric rate18.16¢per kWh. Find it on your bill. Default is the U.S. average.

Yearly cost, side by side

This model$130 at 18.16¢/kWh
Typical similar-size model (55 bottom freezer models)$130 at 18.16¢/kWh
Federal max for this class$136 at 18.16¢/kWh
Thirstiest certified bottom-freezer fridges$145 at 18.16¢/kWh
Good to know
Fridges run all day, so the EPA test figure is close to real use. A warm kitchen, frequent door opening and an ice maker can push it higher.

Also sold as

The EPA record lists no additional model numbers.

UPC: 810219782655

Certification history

ENERGY STAR certified 2026-08-18. On the market since 2026-08-18. EPA record 4696194.

Energy and specs

TypeBottom Freezer
Product class5I - Refrigerator-freezers - automatic defrost with bottom-mounted freezer with an automatic icemaker without through-the-door ice service
Total capacity31.7 cu ft
Adjusted volume39.2 cu ft
Height × width69.9 × 35.8 in
Counter depthNo
CompactNo
Built-inNo
Ice makerYes
Through-door dispenserNo
DefrostAutomatic
Connected (smart)Yes
Annual energy use714 kWh
Federal max for its class748 kWh
MarketsUnited States, Canada

Source: EPA ENERGY STAR Certified Residential Refrigerators, record 4696194. Most Efficient reflects the EPA field "meets most efficient criteria".

Similar models from other brands

Rule: certified bottom-freezer fridges within 2 cu ft of this one (29.7 to 33.7 cu ft), other brands only, lowest energy first.

BrandModelSizeEnergyCost
SamsungRF30BB6602**30.1 cu ft545 kWh$99 at 18.16¢/kWh/yr
LGLF32S6000*31.7 cu ft600 kWh$109 at 18.16¢/kWh/yr
MaytagMRFF4336TZ30.5 cu ft645 kWh$117 at 18.16¢/kWh/yr
WhirlpoolWRFF3336SB30.5 cu ft645 kWh$117 at 18.16¢/kWh/yr
WhirlpoolWRFF3336SW30.5 cu ft645 kWh$117 at 18.16¢/kWh/yr
WhirlpoolWRFF3336SZ30.5 cu ft645 kWh$117 at 18.16¢/kWh/yr
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