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Westinghouse C3.9 kW, H3.6 kW Reverse Cycle Box Aircon W/ LCD Remote
WWH39HWA
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$899
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Product Overview
Key Features
- 3.9 kW cooling and 3.6 kW heating capacity
- 1.5 star cooling and 1 star heating energy ratings
- Eco, low, medium and high fan speed settings
Key Specifications
- Brand:
- Westinghouse
- Model Number:
- WWH39HWA
- Cooling Capacity (kW):
- 3.9
- Heating Capacity (kW):
- 3.6
- Energy Rating - Cooling in Average Climate (Star):
- 1.5
- Energy Rating - Heating in Average Climate (Star):
- 1
- Timer:
- Yes - 12 Hour
Heating & Cooling
- Maximum Airflow (m3/hr):
- 2376
Options
- Controls:
- Buttons & Remote Control
- Programs:
- Sleep mode
General Information
- Type:
- Reverse Cycle Box Air Conditioner
- Noise Level (dBA):
- Indoor: 50, Outdoor: 60
- Speeds:
- 4
- Additional Features:
- Fresh air return
Warranty
- Manufacturer's Warranty:
- 5 Year
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):
- 790
- Box 1 Weight (kg):
- 55
Product Reviews of Westinghouse C3.9 kW, H3.6 kW Reverse Cycle Box Aircon W/ LCD Remote
Overall Rating Snapshot
5 out of 5 stars from 1 review
100% of users recommend this product
Good Value Appliance
Easy swap for my old Kelvinator air con. Nice and cold
Ali Walker
Confirmed purchase 5 October 2025
Published on 28 October 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.
You've viewed 1 of 1 reviews
ABOUT THE GOOD GUYS REVIEWS
The 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 3.9kW Reverse Cycle Box Aircon is a compact window/wall unit ideal for apartments and smaller homes. It offers reliable cooling and heating, easy DIY installation, and convenient remote control. Its standout features include corrosion-resistant heat exchangers and auto restart. One limitation: it may be noisier than split systems, especially in quiet spaces.
What it’s great for
- Year-round Comfort
- Quick Cooling
- Simple Heating
- Easy Installation
- Space-saving Air Conditioning
Where it works best
- Apartments
- Small Homes
- Bedrooms
- Living Rooms
- Space-restricted Areas
Who it’s for
- Renters
- Homeowners
- DIY Enthusiasts
- Small Families
- Apartment Dwellers
Things to consider
Noise levels are higher than split systems, which may be noticeable in very quiet rooms.
Apartment cooling suitability
Excellent - compact size and reverse cycle make it ideal for apartment living.
Diy installation friendliness
8/10 - Designed for straightforward installation without specialist tools.
Noise level vs category
6/10 - Typical for window/wall units; may be noticeable in quiet environments.
Energy efficiency score
7/10 - Good energy rating for its class, but less efficient than premium split systems.
Key benefits
- Reverse Cycle: Provides both cooling and heating for year-round comfort.
- LCD Remote Control: Allows convenient operation from anywhere in the room.
- Auto Swing: Ensures even air distribution for consistent temperature.
- Timer Function: Lets you schedule operation for energy savings and convenience.
- Sleep Mode: Adjusts settings for quieter, more comfortable overnight operation.
- Gold Shield Heat Exchangers: Enhanced corrosion resistance for longer-lasting performance.
- Auto Restart: Automatically resumes operation after power interruptions.
- Compact Design: Fits easily into window or wall spaces, ideal for smaller rooms.
Q: What size room is a 3.9 kW cooling and 3.6 kW heating box air conditioner best suited to?
A: It is typically suited to a small to medium room, roughly around 15 to 25 square metres in average conditions. Hot western rooms, poor insulation or large windows can reduce effective coverage and may require a higher-capacity unit.
Q: How does this Westinghouse box air conditioner compare with a split system for noise and airflow?
A: A box air conditioner usually sounds louder indoors than a split system because the compressor and fan sit in the same unit. The trade-off is simpler replacement in an existing window or wall opening, without separate indoor and outdoor units.
Q: Can this reverse cycle box air conditioner heat a room in winter as well as cool it in summer?
A: Yes, the reverse cycle design provides both cooling and heating, with 3.9 kW cooling and 3.6 kW heating output. Heating performance is practical for everyday winter use, though reverse cycle units can feel less effective in very cold outdoor conditions.
Q: Does a box air conditioner like this need a suitable window or wall opening before buying?
A: Yes, box air conditioners are designed to fit a compatible window or wall sleeve opening, so physical fit matters before purchase. Measure the existing opening carefully and allow for support, drainage and clear external airflow, then discuss with your electrician.
Q: What does the LCD remote add compared with basic manual controls on a box air conditioner?
A: The LCD remote makes it easier to change temperature, mode and fan settings from across the room instead of using the unit controls. That is especially useful at night or when the air conditioner is mounted higher in a wall or window opening.