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Midea 3.9KW Reverse Cycle Box Air Conditioner
MWFF39H
$999
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Product Overview
Key Features
- Heating and Cooling Solution
- 3.9kW Cooling and 3.5 kW Heating capacity, Wi Fi, Remote Control , 10Amp Plug & Lead
Key Specifications
- Brand:
- Midea
- Model Number:
- MWFF39H
- Cooling Capacity (kW):
- 3.9
- Heating Capacity (kW):
- 3.5
- Energy Rating - Cooling in Average Climate (Star):
- 2
- Energy Rating - Heating in Average Climate (Star):
- 0.5
Heating & Cooling
- Compatible Room Size:
- 18-26 m²
- Maximum Airflow (m3/hr):
- 532.8
- Inverter Compressor:
- Yes
Efficiency
- Energy Star Rating - Cooling in Hot Climate (Star):
- 2
- Energy Star Rating - Heating in Hot Climate (Star):
- 1
- Energy Star Rating - Cooling in Cold Climate (Star):
- 2
- Energy Star Rating - Heating in Cold Climate (Star):
- 0.5
Options
- Controls:
- Remote control
General Information
- Type:
- Box Air Conditioner
- Colour:
- White
- Noise Level (dBA):
- Indoor side sound power 57.1 dB(A), Outdoor side sound power 67.3 dB(A)
- What's In The Box:
- Air Conditioner, Remote Control, Instruction Manual
Warranty
- Manufacturer's Warranty:
- 5 Year
Heating & Cooling
- Compatible Room Size:
- 18-26 m²
- Maximum Airflow (m3/hr):
- 532.8
- Inverter Compressor:
- Yes
Options
- Controls:
- Remote control
Warranty
- Manufacturer's Warranty:
- 5 Year
Product Dimensions
- Product Height (mm):
- 428
- Product Depth (mm):
- 680
- Product Width (mm):
- 660
- Product Weight (kg):
- 50.4
Box 1 Dimensions
- Box 1 Height (mm):
- 515
- Box 1 Width (mm):
- 746
- Box 1 Depth (mm):
- 815
- Box 1 Weight (kg):
- 54
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Product Reviews of Midea 3.9KW Reverse Cycle Box Air Conditioner
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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 Midea 3.9KW Reverse Cycle Box Air Conditioner is a compact, dual-function unit ideal for small to medium spaces. It suits renters and homeowners seeking easy installation and reliable year-round climate control. Key strengths include WiFi control, efficient cooling, and heating. One limitation: it may be louder than split systems, especially at higher fan speeds.
What it’s great for
- Year-round climate control
- Quick cooling
- Efficient heating
- Easy installation
- Smart home integration
Where it works best
- Apartments
- Small homes
- Bedrooms
- Living rooms
- Rental properties
Who it’s for
- Renters
- Homeowners
- Small families
- Students
- DIY enthusiasts
Things to consider
Noise levels are higher than premium split systems, which may affect comfort in very quiet spaces.
Apartment cooling suitability
Highly suitable for apartments up to 15 m² due to compact size and efficient cooling.
Diy installation friendliness
Designed for straightforward window or wall installation; ideal for DIY users with basic tools.
Noise level vs category
6/10 - Typical for window wall units; higher than split systems, especially at max fan speed.
Energy efficiency score
7/10 - Good energy rating for its class, but not as efficient as premium inverter models.
Key benefits
- Reverse Cycle Function: Provides both cooling and heating for year-round comfort.
- WiFi Control: Allows remote operation and scheduling via smartphone app.
- Auto Restart: Automatically resumes operation after power outages.
- Sleep Function: Adjusts settings for quieter, energy-saving overnight use.
- Check Filter Indicator: Alerts when filter maintenance is needed for optimal performance.
- Auto Swing Air Direction: Distributes air evenly throughout the room.
- Fresh Air Ventilation: Enhances indoor air quality by introducing outside air.
- On/Off Timer: Enables scheduled operation to match your routine.
Q: What size room is a 3.9kW reverse cycle box air conditioner best suited to?
A: A 3.9kW unit typically suits a small to medium room of about 35 to 55 square metres. Actual performance depends on ceiling height, sun exposure, insulation and window area, so hot west-facing rooms may need more capacity.
Q: Can this Midea box air conditioner heat as well as cool?
A: Yes. Reverse cycle means it can cool in summer and provide electric heating in winter from the same unit. Heating output is usually most effective in mild to cool conditions and can feel less efficient in poorly insulated rooms.
Q: Is a box air conditioner noisier indoors than a split system?
A: Yes. A box air conditioner usually sounds more noticeable indoors because the compressor and fan are housed in the same cabinet. A split system places the compressor outside, so it is often the quieter choice for bedrooms.
Q: Does this reverse cycle box air conditioner need to be installed in a window or wall opening?
A: Yes. A box air conditioner is designed for a fixed window or wall opening so the rear of the unit can vent heat outdoors. It is not a portable floor unit, and the opening, support and circuit should be discussed with your electrician.
Q: Is a box air conditioner like this a better choice than a portable air conditioner for the same room?
A: Yes, for a fixed room it is usually the stronger option. Box units generally cool and heat more effectively than portable models of similar claimed capacity because they vent directly outside, but they do require a permanent window or wall fit.