Water coolersENERGY STAR certified
H2O-FLOW-UV
Tap water source water cooler.
Type
Hot and Cold
Daily energy use
0.63 kWh/day
Cold water capacity
0.55
Refrigerant
R-134a
Of 47 certified tap water source water coolers, 20 have a lower daily energy use than the H2O-FLOW-UV (0.63 kWh/day).
At 0.63 kWh/day it uses about 230 kWh a year, roughly $30 at 13¢/kWh.
- Maker
- H2O
- Model
- H2O-FLOW-UV
- Type
- Tap Water Source
- Type
- Hot and Cold
- Conditioning
- Conditioned Storage
- Capacity class
- Low Capacity
- Cold water capacity
- 0.55
- Daily energy use
- 0.63 kWh/day
- Refrigerant
- R-134a
- On the market since
- Jan 2025
- ENERGY STAR certified
- 9 Jan 2024
Source: ENERGY STAR certified water coolers dataset, US EPA, record 3360625, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the H2O-FLOW-UV
Certified water coolers from other makers, same color class, within 20% of its speed.
| Model | Type | Type | Daily energy use |
|---|---|---|---|
| Oasis PSWSA1SHS | Tap Water Source | Hot and Cold | 0.63 kWh/day |
| Primo 601375/601375-C | Tap Water Source | Hot, Cook, and Cold Unit | 0.64 kWh/day |
| Primo 601376/601376-C | Tap Water Source | Hot and Cold | 0.64 kWh/day |
| Brio CLNLPOU520SCF2 | Tap Water Source | Hot, Cook, and Cold Unit | 0.64 kWh/day |
| Oasis POUD1SHS-SK202 | Tap Water Source | Hot and Cold | 0.61 kWh/day |
| Oasis POUD1SHS-K202 | Tap Water Source | Hot and Cold | 0.61 kWh/day |