Appliances / Window air conditioners / TCL

Illustration. Product photo coming soon.
WindowTop 10% cheapest to runENERGY STAR certified

TCL T05WV9MB

5,000 BTU · Window room air conditioner · 2 colour/finish versions

Electricity, 10 years
$498
Per year
$50

Check the price at the store, then add $498 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 $498 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)
$50
Over 10 years
$498
Saves vs the federal maximum
$17/yr
Rank for running cost
#13 of 492

About the TCL T05WV9MB

The TCL T05WV9MB is a 5,000 BTU window room air conditioner certified by ENERGY STAR. Its official test figure is 274 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $50 a year, or $498 over a typical 10-year life.

That is 25% less energy than the federal maximum for this type of air conditioner (365 kWh a year), a saving of about $17 a year compared with a model that only just meets the standard.

Among 492 window models it ranks #13 for running cost, in the cheapest 10%. The cheapest model of this type would save $25 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 BLACK+DECKER BDM05C uses 260 kWh a year and would save about $25 over 10 years.

Cost to run where you live

Electricity per year
$50
Electricity over 10 years
$498
Add the price you pay
+ $498

274 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 small rooms (under 8,000 btu) model ranked.

BLACK+DECKER BDM05C5000 BTU$47/yrsaves $25
Brothers 1023725000 BTU$47/yrsaves $25
Frigidaire FHWC055TF15000 BTU$47/yrsaves $25
Frigidaire FHWC056TF15000 BTU$47/yrsaves $25

Specs

BrandTCL
ModelsT05WV9MB, T05WV9RB
TypeWindow
Energy use274 kWh / year
Federal maximum for this type365 kWh / year
Size5,000 BTU
Width16 in
Efficiency (CEER)13.7
MountingStraddles Window
Voltage115 V
Inverter (variable speed)Yes
Heat modeNo
RefrigerantR-32
Height12.5 in
Depth15.5 in
Weight41.9 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 TCL T05WV9MB cost to run?

About $50 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 274 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 TCL T05WV9MB cost in electricity over its life?

About $498 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 TCL T05WV9MB energy efficient?

Yes. It is ENERGY STAR certified and uses 25% 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 BLACK+DECKER BDM05C uses 260 kWh a year, about $25 less in electricity over 10 years.

Want the cheapest picks every week?

Join the free Leak Club. One short email with the lowest-cost picks we found.

Join the Leak Club