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The register · 178 models

Water coolers

Water coolers certified under ENERGY STAR, bottled and point-of-use, with hot and cold options and the energy each uses in a day.

Certified models

178

Makers

28

Types

4

most are bottle - top load

Latest certification

Aug 2026

By type

  • Bottle - Top Load 60
  • Bottle - Bottom Load 54
  • Tap Water Source 47
  • Conversion-type 17

By maker

Water coolers by brand

Lowest daily energy use

ModelTypeTypeDaily energy use
Crystal Mountain GLED2WTW1ACBottle - Bottom LoadCook and Cold0.1 kWh/day
Clover B7B1Bottle - Top LoadCook and Cold0.12 kWh/day
Crystal Mountain GLSD2WTW1ACBottle - Bottom LoadCook and Cold0.12 kWh/day
Crystal Mountain AES-D2KTK1ACBottle - Top LoadCold Only0.12 kWh/day
Crystal Mountain AES-D2WTW1ACBottle - Top LoadCold Only0.12 kWh/day
Angel Water System Technology Sdn Bhd F528KB020-PTap Water SourceCook and Cold0.13 kWh/day
Waterways AWVW110ESPTap Water SourceCook and Cold0.13 kWh/day
Angel Water System Technology Sdn Bhd F528KB020-EWPXBottle - Top LoadCook and Cold0.13 kWh/day
Waterways AWWF110ESPTap Water SourceCook and Cold0.13 kWh/day
Angel Water System Technology Sdn Bhd F528KB020-POUTap Water SourceCook and Cold0.14 kWh/day
Waterways AWVW110ESBTBottle - Top LoadCook and Cold0.15 kWh/day
Angel F528KB020Bottle - Top LoadCook and Cold0.15 kWh/day
Waterways AWWF110ESBTBottle - Top LoadCook and Cold0.15 kWh/day
Vitapur VWD2236WBottle - Top LoadCook and Cold0.15 kWh/day
Vitapur VWD2066BLSBottle - Bottom LoadHot and Cold0.15 kWh/day

New

Most recently certified

ModelTypeTypeDaily energy use
KOHLER K14Tap Water SourceHot and Cold0.52 kWh/day
KOHLER K16Tap Water SourceHot and Cold0.53 kWh/day
Clover B7A1Bottle - Top LoadHot and Cold0.74 kWh/day
Coway, NECOA CHP-1301LTap Water SourceHot, Cook, and Cold Unit0.45 kWh/day
Commercial Cool CCBL01-1Bottle - Bottom LoadHot, Cook, and Cold Unit0.73 kWh/day
Crystal Mountain Tempest SeriesBottle - Bottom LoadHot and Cold0.79 kWh/day
Glacier Bay BY575Bottle - Top LoadHot and Cold0.63 kWh/day
Glacier Bay LY633Bottle - Bottom LoadHot and Cold0.63 kWh/day
Glacier Bay BY570Bottle - Top LoadHot and Cold0.59 kWh/day
Commercial Cool CCBL01Bottle - Bottom LoadHot and Cold0.56 kWh/day
Crystal Mountain AES-D2KTK1ACBottle - Top LoadCold Only0.12 kWh/day
Crystal Mountain AES-D2WTW1ACBottle - Top LoadCold Only0.12 kWh/day
Crystal Mountain AES-D2KHK1ACBottle - Top LoadHot and Cold0.52 kWh/day
Crystal Mountain AES-D2WHW1ACBottle - Top LoadHot and Cold0.52 kWh/day
Vitapur VWD1268BLSUVBottle - Bottom LoadHot, Cook, and Cold Unit0.73 kWh/day

Bottom-load water coolers

Affiliate links

Bottled coolers that load from a cabinet at the bottom, so nobody has to lift a full jug overhead.

Tehanld

Tehanld Bottom Loading Water Cooler Dispenser, Charcoal Black

$139.98

Brio

Brio Bottom Loading Water Cooler Dispenser for 5 Gallon Bottles - 3 Temperatures with Hot, Room & Cold Spouts, Child Safety Lock, LED Display with Empty Bottle Alert, Stainless Steel

$199.99

Manastin

Manastin Bottom Loading Water Cooler Dispenser, Gloss Silver

$139.99

Avalon

Avalon A4BLWTRCLR Bottom Loading Water Cooler Water Dispenser - 3 Temperature Settings - Hot, Cold & Room Water, Durable Stainless Steel Cabinet, Bottom Loading - UL/Energy Star Approved

$179.99

Prices retrieved from Amazon on 2026-09-29 and may since have changed; the price on Amazon at the time of purchase is the one that applies. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. No manufacturer pays for a place in this list.

Source: ENERGY STAR certified water coolers data, US EPA, models listed for the US market. Data build 2026-09-29. Methodology.