Appliances / Window air conditioners / Frigidaire

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Through the WallENERGY STAR certified

Frigidaire FHTC125WC1

12,000 BTU · Through the Wall room air conditioner · 2 colour/finish versions

Electricity, 10 years
$1,179
Per year
$118

Check the price at the store, then add $1,179 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 $1,179 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)
$118
Over 10 years
$1,179
Saves vs the federal maximum
$100/yr
Rank for running cost
#33 of 58

About the Frigidaire FHTC125WC1

The Frigidaire FHTC125WC1 is a 12,000 BTU through the wall room air conditioner certified by ENERGY STAR. Its official test figure is 648 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $118 a year, or $1,179 over a typical 10-year life.

That is 46% less energy than the federal maximum for this type of air conditioner (1,199 kWh a year), a saving of about $100 a year compared with a model that only just meets the standard.

Among 58 through the wall models it ranks #33 for running cost. The cheapest model of this type would save $404 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 Friedrich WCVT12B10B uses 596 kWh a year and would save about $95 over 10 years.

Cost to run where you live

Electricity per year
$118
Electricity over 10 years
$1,179
Add the price you pay
+ $1,179

648 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 large rooms (over 10,000 to 15,000 btu) model ranked.

Friedrich WCVT12B10B11200 BTU$108/yrsaves $95
Friedrich WCVT10B10A11000 BTU$116/yrsaves $24
Wallmaster WCVT12B30B11800 BTU$116/yrsaves $20
Friedrich WCVT10B30A11100 BTU$116/yrsaves $15

Specs

BrandFrigidaire
ModelsFHTC125WC1, FHTC125WC2
TypeThrough the Wall
Energy use648 kWh / year
Federal maximum for this type1199 kWh / year
Size12,000 BTU
Width24.1 in
Efficiency (CEER)13.9
MountingDoes Not Straddle Window or Windowsill
Voltage230 V
Inverter (variable speed)Yes
Heat modeNo
RefrigerantR-32
Height14.7 in
Depth20.9 in
Weight59.1 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 FHTC125WC1 cost to run?

About $118 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 648 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 FHTC125WC1 cost in electricity over its life?

About $1,179 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 FHTC125WC1 energy efficient?

Yes. It is ENERGY STAR certified and uses 46% 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 Friedrich WCVT12B10B uses 596 kWh a year, about $95 less in electricity over 10 years.

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