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Westinghouse 3.9 kW 2.0E Cool Only Box Air Conditioner W/ LCD Remote

WWH39CWA
$849
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Licensed Trade Installation is required for this product. The Good Guys Home Services Team can arrange fully licensed and insured professionals to handle this installation.
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Product Overview

Simple, economic and reliable Because there are no separate indoor and outdoor units, its easier to install a window wall cooling only model. And because its a Westinghouse, you know it is reliable and built to last. Compact design The super compact design means that window wall cooling only air conditioners are discreet and unobtrusive in your home. They are also perfect for cooling smaller family homes and space-restricted areas. Control from your armchair The remote-control unit lets you conveniently control all functions. Fresh air delivery The fresh air return provides additional ventilation to your room and can also assist in humidity control. The easy-to-service dust filter removes dust and other larger airborne particles for cleaner air. Features - All-in-One Design - All-in-One Design - Remote Control - Fresh Air Return - Availability

Key Features

  • 3.9 kW cooling capacity with multiple airflow options
  • LCD remote control
  • Eco, low, medium, and high fan speed settings
Licensed Trade Installation is required for this product. The Good Guys Home Services Team can arrange fully licensed and insured professionals to handle this installation.

Key Specifications

Brand:
Westinghouse
Model Number:
WWH39CWA
Cooling Capacity (kW):
3.9
Energy Rating - Cooling in Average Climate (Star):
1.5
Timer:
Yes - 12 Hour

Heating & Cooling

Maximum Airflow (m3/hr):
2304

Options

Controls:
Buttons & Remote Control
Programs:
Sleep Mode

General Information

Type:
Box Air Conditioner
Noise Level (dBA):
Indoor: 50, Outdoor: 60
Speeds:
4
Additional Features:
Fresh air return

Warranty

Manufacturer's Warranty:
5 Year

Manuals & Downloads

Westinghouse_WWH39CWA_Factsheet.pdf
Download
Westinghouse_WWH39CWA_ProductDetailer.pdf
Download

Heating & Cooling

Maximum Airflow (m3/hr):
2304

General Information

Type:
Box Air Conditioner
Noise Level (dBA):
Indoor: 50, Outdoor: 60
Speeds:
4
Additional Features:
Fresh air return

Manuals & Downloads

Westinghouse_WWH39CWA_Factsheet.pdf
Download
Westinghouse_WWH39CWA_ProductDetailer.pdf
Download

Product Dimensions

Product Height (mm):
428
Product Depth (mm):
700
Product Width (mm):
660

Box 1 Dimensions

Box 1 Height (mm):
490
Box 1 Width (mm):
736
Box 1 Depth (mm):
860
Box 1 Weight (kg):
69

Product Reviews of Westinghouse 3.9 kW 2.0E Cool Only Box Air Conditioner W/ LCD Remote

Westinghouse 3.9 kW 2.0E Cool Only Box Air Conditioner W/ LCD Remote WWH39CWA

Overall Rating Snapshot

5.0 stars

5 out of 5 stars from 1 review

100% of users recommend this product

4
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3
0
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  • 5 out of 5

    Fantastic performance great looking unit

    Quieter than previous models astetically much better looking unit great performance love the ease of use keeps the room cool without a huge expense of a ducted system.Hghly recommend this unit great job good guys for an excellent product recommend.

    Carmine

    Confirmed purchase 18 October 2025

    Published on 12 November 2025

    Yes, I recommend this product.

    This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.

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ABOUT THE GOOD GUYS REVIEWSThe Good Guys product reviews are collected from verified purchasers who may have received an incentive in return for providing an authentic review.

The below information is AI generated based on Australian websites information around this item. We have done our best to ensure its accuracy but suggest verifying any information within this tab before purchasing.

At a glance

The Westinghouse 3.9 kW Cool Only Box Air Conditioner is a compact, window/wall-mounted unit ideal for cooling small to medium rooms in apartments or homes. Its all-in-one design makes installation straightforward, while features like an LCD remote, auto swing, and timer add everyday convenience. Best for users seeking reliable, no-fuss cooling; however, it lacks heating functionality found in some premium models.

What it’s great for

  • Reliable Cooling
  • Simple Installation
  • Everyday Comfort
  • Compact Spaces

Where it works best

  • Apartments
  • Small Homes
  • Bedrooms
  • Home Offices

Who it’s for

  • Renters
  • Homeowners
  • Small Families
  • DIY Installers

Things to consider

Does not provide heating-cooling only, so not suitable for year-round climate control like reverse-cycle or split systems.

Apartment cooling suitability

Highly suitable for apartments due to compact size and single-unit installation.

Diy installation friendliness

8/10 - Designed for straightforward window or wall mounting; may still require two people for handling.

Noise level vs category

7/10 - Operates at a typical noise level for window/wall units; quieter than older models but not as silent as split systems.

Energy efficiency score

7/10 - Offers solid efficiency for its class, but not the highest available among premium alternatives.

Key benefits

  • All-in-One Design: Simplifies installation with no separate indoor or outdoor units required.
  • LCD Remote Control: Offers convenient operation of all functions from anywhere in the room.
  • Auto Swing: Distributes cool air evenly for consistent comfort.
  • Timer Function: Enables scheduled cooling to match your routine and save energy.
  • Sleep Mode: Adjusts settings automatically for quieter, energy-efficient overnight operation.
  • Gold Shield Heat Exchangers: Enhanced corrosion resistance for longer-lasting performance.
  • Fresh Air Return: Provides additional ventilation and helps manage humidity.
  • Easy-Clean Dust Filter: Captures dust and larger airborne particles for cleaner air.

Q: What room size is a 3.9 kW box air conditioner usually suited to?

A: A 3.9 kW cooling capacity is typically suited to a small to medium room of about 20 to 35 square metres. The better fit depends on ceiling height, insulation, sun exposure and how much heat the room picks up during the day.

Q: Does the Westinghouse cool only design mean it cannot be used for heating?

A: Yes. This is a cool only box air conditioner, so it is designed to lower room temperature in warm weather and does not provide reverse-cycle heating. If winter heating matters, a heating and cooling model is the better match.

Q: What should I check before replacing an older box air conditioner with this Westinghouse unit?

A: Check the existing wall or window opening size, the cabinet depth and whether the structure can support the unit. Box air conditioners are not as flexible as portable models, so a close fit matters for airflow, sealing and stability.

Q: Is a box air conditioner like this usually louder than a split system?

A: Yes. A box air conditioner usually sounds more noticeable than a split system because the compressor and fan are housed in the same unit. It can still suit bedrooms or living areas, but noise sensitivity is worth weighing before buying.