LG LP0721WSR vs Whynter ARC-14S

Which Air Conditioner Is Better?

Products

LG LP0721WSR
Whynter ARC-14S

Tested using Methodology v1.0

Updated Jun 05, 2025 05:28 PM

SEE PRICE
Amazon.com

Tested using Methodology v1.0

Updated Jun 05, 2025 06:02 PM

SEE PRICE
Amazon.com

Our Verdict

LG LP0721WSR

Whynter ARC-14S

Full comparison details regarding individual product score sets can be found in the section below

Variants

  • LP0721WSR (White)
  • ARC-14S (Black)

Check Price

White
LP0721WSR
SEE PRICE
Amazon.com
Black
ARC-14S
SEE PRICE
Amazon.com
White
LP0721WSR
SEE PRICE
BestBuy.com
Black
ARC-14S
SEE PRICE
Walmart.com
White
LP0721WSR
SEE PRICE
LG.com
Black
ARC-14S
BestBuy.com
White
LP0721WSR
Walmart.com
 

Main Differences for
Large Room

Threshold 

0.10

Large Room 

5.6
6.8

Capacity 
 

5.5
7.2

Full Comparison

Design

Size 
 

7.3
5.1

Dimensions Photo  

Height  

68 cm (26.9")
89 cm (35.1")

Width  

43 cm (16.7")
48 cm (18.9")

Depth  

35 cm (13.8")
41 cm (16.1")

Body  

Type 
 

Single-Hose Portable A/C
Dual-Hose Portable A/C

Material 
 

Plastic
Plastic

Weight  

25 kg (56 lbs)
34 kg (74 lbs)

Power Cord Length  

1.5 m (4.9 ft)
1.9 m (6.2 ft)
Show Text 
Performance

Capacity 
 

5.5
7.2

Temperature 28°C -> 21°C  

See details
See details

Advertised Coverage 
 

300 ft² (28 m²)
500 ft² (46 m²)

Advertised Capacity (DOE) 
 

7,000 BTU/hr
9,500 BTU/hr

Time To Cool From 28°C To 21°C 
 

70 min (1.17 hrs)
49 min (0.82 hrs)

Sensible Energy Exchanged 
 

3,770 BTU (1,106 Wh)
4,680 BTU (1,372 Wh)

Latent Energy Exchanged 
 

361 BTU (106 Wh)
346 BTU (101 Wh)

Tested Capacity 
 

3,540 BTU/hr (1,038 W)
6,154 BTU/hr (1,805 W)
Show Text 

Efficiency When Cooling 
 

4.9
5.6

Temperature And Power Consumption 28°C -> 21°C  

See details
See details

Electrical Energy Consumed 
 

1,114 Wh (3,799 BTU)
1,061 Wh (3,618 BTU)

Total Energy Exchanged 
 

4,131 BTU (1,211 Wh)
5,026 BTU (1,474 Wh)

Energy Efficiency Ratio 
 

3.7
4.7
Show Text 

Efficiency When Maintaining Temperature 
 

4.3
5.4

Power Consumption While Maintaining Temperature  

See details
See details

Electrical Energy Consumed 
 

904 Wh (3,083 BTU)
600 Wh (2,046 BTU)

Energy Exchanged 
 

1,709 BTU (501 Wh)
1,696 BTU (497 Wh)

Energy Efficiency Ratio 
 

1.9
2.8
Show Text 

Temperature Stability 
 

9.0
8.1

Temperature Stability Around The Setpoint  

See details
See details

Temperature Delta 
 

0.2 °C (0.4 °F)
0.4 °C (0.7 °F)
Show Text 

Humidity Stability 
 

8.7
4.6

Humidity Stability Over Time  

See details
See details

Humidity Delta 
 

0.6%pt.
13.0%pt.
Show Text 

Inside Noise 
 

6.7
6.5

Inside Noise @ High  

Compressor On @ Max Setting 
 

60.6dBA
61.2dBA

Compressor Off @ Max Fan Speed 
 

56.4dBA
58.3dBA

Inside Noise @ Low  

Compressor On @ Min. Setting 
 

59.5dBA
59.3dBA

Compressor Off @ Min. Fan Speed 
 

51.5dBA
53.1dBA
Environmental Impact and Features

Environmental Impact 
 

Refrigerant 
 

R32
R32

Global Warming Potential (GWP) 
 

675
675

Ozone Depletion Potential (ODP) 
 

0
0

Features  

Controls Picture  

Compressor Technology 
 

Non-Inverter
Non-Inverter

Thermostat Type 
 

Digital
Digital

Dehumidification Mode 
 

Yes
Yes

Heat Mode 
 

No
No

Remote Control 
 

Yes
Yes

Smart App 
 

No
No
Show Text 

Check Price

White
LP0721WSR
SEE PRICE
Amazon.com
Black
ARC-14S
SEE PRICE
Amazon.com
White
LP0721WSR
SEE PRICE
BestBuy.com
Black
ARC-14S
SEE PRICE
Walmart.com
White
LP0721WSR
SEE PRICE
LG.com
Black
ARC-14S
BestBuy.com
White
LP0721WSR
Walmart.com
 

LG LP0721WSR

Whynter ARC-14S

Comments

  1. Comparison

LG LP0721WSR vs Whynter ARC-14S: Main Discussion

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