Toshiba RAC-WK0512CMRU vs RAC-WK0612CRRU

Which Air Conditioner Is Better?

Products

Toshiba RAC-WK0512CMRU
Toshiba RAC-WK0612CRRU

Tested using Methodology v1.1

Updated Sep 03, 2026 05:17 PM

Amazon

Tested using Methodology v1.0

Updated Sep 01, 2026 02:02 PM

Amazon
Toshiba RAC-WK0512CMRU Picture

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Toshiba RAC-WK0612CRRU  Picture

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Our Verdict

Toshiba RAC-WK0512CMRU

Toshiba RAC-WK0612CRRU

The Toshiba RAC-WK0612CRRU and Toshiba RAC-WK0512CMRU are both window-mounted ACs with slightly different capacities. The WK0612CRRU is the fractionally larger, pricier option with an advertised capacity of 6,000 BTU/hr, compared to the WK0512CMRU's 5,000 BTU/hr. This gap in capacity isn't sufficient to run the risk of cooling an equivalently sized room too quickly and causing a buildup of humidity. The WK0612CRRU's somewhat greater capacity also means its compressor cycles less rapidly, resulting in larger, more frequent swings in humidity and temperature. On the upside, the WK0612CRRU, unlike the WK0512CMRU, has a digital thermometer that lets you set the desired temperature and comes with a remote control to operate the unit from a distance.

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Variants

  • RAC-WK0512CMRU (White)
  • RAC-WK0612CRRU (White)

Check Price

White
RAC-WK0512CMRU
Amazon
White
RAC-WK0612CRRU
Amazon
White
RAC-WK0512CMRU
Walmart.com
White
RAC-WK0612CRRU
Walmart.com
White
RAC-WK0512CMRU
Lowes.com
White
RAC-WK0612CRRU
Lowes.com
White
RAC-WK0512CMRU
HomeDepot.com
White
RAC-WK0612CRRU
HomeDepot.com
White
RAC-WK0512CMRU
BestBuy.com
White
RAC-WK0612CRRU
BestBuy.com
White
RAC-WK0512CMRU
Toshiba
White
RAC-WK0612CRRU
Toshiba
White
RAC-WK0512CMRU
Staples.com
White
RAC-WK0612CRRU
Staples.com
Read more

Main Differences for
Large Room

Threshold 

0.10

Large Room 
 

7.3
7.0

Capacity 
 

6.5
6.9

Inside Noise 
 

7.4
7.0

Full Comparison

Design

Size 
 

8.0
8.1

Dimensions Photo 
 

Compare High-Res
Toshiba RAC-WK0512CMRU Dimensions Photo
Compare High-Res
Toshiba RAC-WK0612CRRU  Dimensions Photo

Height  

31 cm (12.2")
31 cm (12.0")

Width  

42 cm (16.4")
41 cm (16.2")

Depth  

36 cm (14.2")
34 cm (13.3")

Body  

Front Picture 
 

Toshiba RAC-WK0512CMRU Front Picture

Back Picture 
 

Toshiba RAC-WK0512CMRU Back Picture

Type 
 

Window A/C
Window A/C

Material 
 

Metal
Metal

Weight  

16 kg (36 lbs)
18 kg (39 lbs)

Power Cord Length  

1.9 m (6.1 ft)
1.9 m (6.2 ft)
Performance

Capacity 
 

6.5
6.9

Cooling Capacity @ 100% Thermal Load  

 Preview Graph
Toshiba RAC-WK0512CMRU Cooling Capacity @ 100% Thermal Load
 Preview Graph
Toshiba RAC-WK0612CRRU  Cooling Capacity @ 100% Thermal Load

Advertised Coverage 
 

150 ft² (14 m²)
250 ft² (23 m²)

Advertised Capacity (DOE) 
 

5,000 BTU/hr
6,000 BTU/hr

Time To Cool From 28°C To 21°C 
 

56 min (0.93 hrs)

Sensible Energy Exchanged 
 

4,615 BTU (1,353 Wh)

Latent Energy Exchanged 
 

384 BTU (113 Wh)

Tested Capacity 
 

3,429 BTU/hr (1,006 W)
5,356 BTU/hr (1,571 W)

Efficiency When Cooling 
 

8.4
8.2

Consumption @ 100% Thermal Load  

 Preview Graph
Toshiba RAC-WK0512CMRU Consumption @ 100% Thermal Load
 Preview Graph
Toshiba RAC-WK0612CRRU  Consumption @ 100% Thermal Load

Electrical Energy Consumed 
 

235 Wh (801 BTU)
469 Wh (1,599 BTU)

Sensible Energy Exchanged 
 

1,715 BTU (503 Wh)
4,999 BTU (1,466 Wh)

Energy Efficiency Ratio 
 

7.3
10.7

Efficiency When Maintaining Temperature 
 

7.4
7.4

Consumption @ 35% Thermal Load  

 Preview Graph
Toshiba RAC-WK0512CMRU Consumption @ 35% Thermal Load
 Preview Graph
Toshiba RAC-WK0612CRRU  Consumption @ 35% Thermal Load

Electrical Energy Consumed 
 

136 Wh (464 BTU)
326 Wh (1,112 BTU)

Sensible Energy Exchanged 
 

752 BTU (221 Wh)
1,628 BTU (477 Wh)

Energy Efficiency Ratio 
 

5.5
5.0

Temperature Stability 
 

9.6
8.5

Temperature Stability Around The Setpoint  

 Preview Graph
Toshiba RAC-WK0512CMRU Temperature Stability Around The Setpoint
 Preview Graph
Toshiba RAC-WK0612CRRU  Temperature Stability Around The Setpoint

Temperature Delta 
 

0.1 °C (0.2 °F)
0.3 °C (0.5 °F)

Humidity Stability 
 

8.5
5.7

Humidity Stability Over Time  

 Preview Graph
Toshiba RAC-WK0512CMRU Humidity Stability Over Time
 Preview Graph
Toshiba RAC-WK0612CRRU  Humidity Stability Over Time

Humidity Delta 
 

0.9%pt.
6.4%pt.

Inside Noise 
 

7.4
7.0

Inside Noise @ High  

Compressor On @ Max Setting 
 

58.8dBA
61.4dBA

Compressor Off @ Max Fan Speed 
 

57.8dBA
59.5dBA

Inside Noise @ Low  

Compressor On @ Min. Setting 
 

55.8dBA
55.6dBA

Compressor Off @ Min. Fan Speed 
 

53.1dBA
54.1dBA
Environmental Impact and Features

Environmental Impact 
 

Refrigerant 
 

R32
R32

Global Warming Potential (GWP) 
 

675
675

Ozone Depletion Potential (ODP) 
 

0
0

Features  

Controls Picture 
 

Compare High-Res
Toshiba RAC-WK0512CMRU Controls Picture
Compare High-Res
Toshiba RAC-WK0612CRRU  Controls Picture

Compressor Technology 
 

Non-Inverter
Non-Inverter

Thermostat Type 
 

Mechanical
Digital

Dehumidification Mode 
 

No
Yes

Heat Mode 
 

No
No

Remote Control 
 

No
Yes

Smart App 
 

No
No

Check Price

White
RAC-WK0512CMRU
Amazon
White
RAC-WK0612CRRU
Amazon
White
RAC-WK0512CMRU
Walmart.com
White
RAC-WK0612CRRU
Walmart.com
White
RAC-WK0512CMRU
Lowes.com
White
RAC-WK0612CRRU
Lowes.com
White
RAC-WK0512CMRU
HomeDepot.com
White
RAC-WK0612CRRU
HomeDepot.com
White
RAC-WK0512CMRU
BestBuy.com
White
RAC-WK0612CRRU
BestBuy.com
White
RAC-WK0512CMRU
Toshiba
White
RAC-WK0612CRRU
Toshiba
White
RAC-WK0512CMRU
Staples.com
White
RAC-WK0612CRRU
Staples.com

Toshiba RAC-WK0512CMRU

Toshiba RAC-WK0612CRRU

Comments

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Toshiba RAC-WK0512CMRU vs Toshiba RAC-WK0612CRRU : Main Discussion

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