Appliances / Window air conditioners / Frigidaire

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WindowENERGY STAR certified

Frigidaire FHWW245WF2

24,000 BTU · Window room air conditioner

Electricity, 10 years
$2,372
Per year
$237

Check the price at the store, then add $2,372 of electricity to get the true cost. We may earn a commission if you buy through these links.

  1. Price. Check what it costs at the store.
  2. Plus running cost. Add $2,372 of electricity over 10 years. That is the part the price tag hides.
  3. Compare. Pick your state below, then check the cheaper-to-run models of the same size.
Per year (U.S. avg)
$237
Over 10 years
$2,372
Saves vs the federal maximum
$210/yr
Rank for running cost
#458 of 492

About the Frigidaire FHWW245WF2

The Frigidaire FHWW245WF2 is a 24,000 BTU window room air conditioner certified by ENERGY STAR. Its official test figure is 1,304 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $237 a year, or $2,372 over a typical 10-year life.

That is 47% less energy than the federal maximum for this type of air conditioner (2,461 kWh a year), a saving of about $210 a year compared with a model that only just meets the standard.

Among 492 window models it ranks #458 for running cost. The cheapest model of this type would save $1,899 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 K�hl KCVM18B30B uses 1,074 kWh a year and would save about $418 over 10 years.

Cost to run where you live

Electricity per year
$237
Electricity over 10 years
$2,372
Add the price you pay
+ $2,372

1,304 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 very large rooms (over 15,000 btu) model ranked.

K�hl KCVM18B30B20900 BTU$195/yrsaves $418
Hisense AW2223TW3W22000 BTU$200/yrsaves $371
Friedrich KHVM24B34B21700 BTU$216/yrsaves $211
LG LW2422IVSM(208V)23500 BTU$221/yrsaves $160

Specs

BrandFrigidaire
ModelFHWW245WF2
TypeWindow
Energy use1304 kWh / year
Federal maximum for this type2461 kWh / year
Size24,000 BTU
Width25.4 in
Efficiency (CEER)13.8
MountingDoes Not Straddle Window or Windowsill
Voltage230 V
Inverter (variable speed)Yes
Heat modeNo
RefrigerantR-32
Height17.9 in
Depth23.6 in
Weight101.4 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 Frigidaire FHWW245WF2 cost to run?

About $237 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 1,304 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 Frigidaire FHWW245WF2 cost in electricity over its life?

About $2,372 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 Frigidaire FHWW245WF2 energy efficient?

Yes. It is ENERGY STAR certified and uses 47% 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 K�hl KCVM18B30B uses 1,074 kWh a year, about $418 less in electricity over 10 years.

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