LG LP0721WSR vs Whynter ARC-14S

Tested using Methodology v1.0

Updated Jun 05, 2025 06:02 PM

See Whynter ARC-14S Review

Type Single-Hose Portable A/C

Compressor Technology Non-Inverter

Advertised Capacity (DOE) 7,000 BTU/hr

Tested Capacity 3,540 BTU/hr (1,038 W)

Type Dual-Hose Portable A/C

Compressor Technology Non-Inverter

Advertised Capacity (DOE) 9,500 BTU/hr

Tested Capacity 6,154 BTU/hr (1,805 W)

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)

Review

See LG LP0721WSR Review

Check Price

White

LP0721WSR

Black

ARC-14S

White

LP0721WSR

Black

ARC-14S

White

LP0721WSR

LG.com

Black

ARC-14S

White

LP0721WSR

Main Differences for

Large Room

Threshold

0.10

Large Room

5.6

6.8

Capacity

5.5

7.2

Full Comparison

Large Room

5.6

6.8

Bedroom/Small Room

7.0

5.8

Combined Efficiency

4.5

5.5

Oversizing Tolerance

7.7

5.7

Noise

6.7

6.5

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

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

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)

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Efficiency When Cooling

4.9

5.6

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

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

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Efficiency When Maintaining Temperature

4.3

5.4

Power Consumption While Maintaining Temperature

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

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Temperature Stability

9.0

8.1

Temperature Stability Around The Setpoint

Temperature Delta

0.2 °C (0.4 °F)

0.4 °C (0.7 °F)

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Humidity Stability

8.7

4.6

Humidity Stability Over Time

Humidity Delta

0.6%pt.

13.0%pt.

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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

Global Warming Potential (GWP)

675

Ozone Depletion Potential (ODP)

Features

Controls Picture

Compressor Technology

Non-Inverter

Thermostat Type

Digital

Dehumidification Mode

Yes

Heat Mode

Remote Control

Yes

Smart App

Show Text

Check Price

White

LP0721WSR

Black

ARC-14S

White

LP0721WSR

Black

ARC-14S

White

LP0721WSR

LG.com

Black

ARC-14S

White

LP0721WSR