Appliances / Window air conditioners / ZAFRO
ZAFRO 54091EWA1-8K-ZAZ
8,100 BTU · Window room air conditioner
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- Plus running cost. Add $731 of electricity over 10 years. That is the part the price tag hides.
- Compare. Pick your state below, then check the cheaper-to-run models of the same size.
About the ZAFRO 54091EWA1-8K-ZAZ
The ZAFRO 54091EWA1-8K-ZAZ is a 8,100 BTU window room air conditioner certified by ENERGY STAR. Its official test figure is 402 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $73 a year, or $731 over a typical 10-year life.
That is 54% less energy than the federal maximum for this type of air conditioner (875 kWh a year), a saving of about $86 a year compared with a model that only just meets the standard.
Among 492 window models it ranks #138 for running cost. The cheapest model of this type would save $258 in electricity over 10 years, though it may differ in size and features.
If you want the same type and a similar size for less to run, the ZAFRO 54091EWA0-8K-ZAZ uses 373 kWh a year and would save about $53 over 10 years.
Listed features: heat mode.
Cost to run where you live
402 kWh a year (ENERGY STAR test figure) × 18.19¢ per kWh, the average residential price in the U.S. for Jan–Aug 2026 (EIA). Your bill depends on your utility and how you use it.
Cheaper to run, same type and size
Or see every medium rooms (8,000 to 10,000 btu) model ranked.
| ZAFRO 54091EWA0-8K-ZAZ | 8100 BTU | $68/yr | saves $53 |
| BLACK+DECKER BDM08C | 8000 BTU | $68/yr | saves $49 |
| DuraSTAR DRWAC081XVB1 | 8000 BTU | $68/yr | saves $49 |
| Frigidaire FHWW085WF1 | 8000 BTU | $68/yr | saves $49 |
Specs
| Brand | ZAFRO |
| Model | 54091EWA1-8K-ZAZ |
| Type | Window |
| Energy use | 402 kWh / year |
| Federal maximum for this type | 875 kWh / year |
| Size | 8,100 BTU |
| Width | 18.9 in |
| Features | Heat mode |
| Efficiency (CEER) | 15.1 |
| Mounting | Straddles Windowsill |
| Voltage | 115 V |
| Inverter (variable speed) | Yes |
| Heat mode | Yes |
| Refrigerant | R-32 |
| Height | 15.4 in |
| Depth | 30.4 in |
| Weight | 63.7 lb |
Specs and energy use from the ENERGY STAR certified products list (U.S. EPA). An asterisk in a model number stands for colour or finish codes. HouseholdLeak is not affiliated with ENERGY STAR or the EPA.
Questions people ask
How much does the ZAFRO 54091EWA1-8K-ZAZ cost to run?
About $73 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 402 kWh a year. In a state with expensive power it can be much more; pick your state on this page to see your number.
How much will the ZAFRO 54091EWA1-8K-ZAZ cost in electricity over its life?
About $731 over 10 years, a typical life for a room air conditioner. Add that to the price you pay to get the true cost to own.
Is the ZAFRO 54091EWA1-8K-ZAZ energy efficient?
Yes. It is ENERGY STAR certified and uses 54% less energy than the federal maximum for its type.
Is there a cheaper air conditioner to run of the same type and size?
Yes. The ZAFRO 54091EWA0-8K-ZAZ uses 373 kWh a year, about $53 less in electricity over 10 years.
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