Appliances / Window air conditioners / TCL

Window

TCL H18W4KW: $171 a year to run

This room air conditioner uses 938 kWh of electricity a year. At the U.S. average price that is $171 a year and $1,706 over a typical 10-year life. It ranks #447 of 492 window models for running cost.

  1. Price. Check what it costs at the store (links below).
  2. Plus running cost. Add $1,706 of electricity over 10 years. That is the part the price tag hides.
  3. Compare. Pick your state to see your real number, then check the cheaper-to-run models of the same size.
Per year (U.S. avg)
$171
Over 10 years
$1,706
Saves vs the federal minimum
$92/yr
Size
18,000 BTU

Where to buy

Compare the price, then add the running cost below to get the true cost.

Cost to run where you live

Electricity per year
$171
Electricity over 10 years
$1,706
Add the price you pay
+ $1,706

938 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 KCVS16B30B15400 BTU$131/yrsaves $393
BLACK+DECKER BDM18C18000 BTU$154/yrsaves $171
Brothers 10238718000 BTU$154/yrsaves $171
Friedrich KCVS16B30A16200 BTU$154/yrsaves $171

Specs

BrandTCL
ModelH18W4KW
TypeWindow
Energy use938 kWh / year
Federal maximum for this type1442 kWh / year
Width26 in

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.

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