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Fujitsu C3.4kW H4.0kW Comfort Range Reverse Cycle Split System
SET-ASTH12KNCA
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Product Overview
Key Features
- With All DC, electricity loss is decreased and power consumption reduced
- Auto Restart
- Auto Shut Louvre
- Auto Changeover
- Automatic Air Flow Adjustment
- Automatic Louvre
Key Specifications
- Brand:
- Fujitsu
- Model Number:
- SET-ASTH12KNCA
- Cooling Capacity (kW):
- 3.4
- Heating Capacity (kW):
- 4
- Energy Rating - Cooling in Average Climate (Star):
- 3.5
- Energy Rating - Heating in Average Climate (Star):
- 2.5
- Timer:
- Yes
Heating & Cooling
- Indoor Unit Model No.:
- ASTH12KNCA
- Outdoor Unit Model No.:
- AOTH12KNCA
Efficiency
- Energy Star Rating - Cooling in Hot Climate (Star):
- 4
- Energy Star Rating - Heating in Hot Climate (Star):
- 3
- Energy Star Rating - Cooling in Cold Climate (Star):
- 4
- Energy Star Rating - Heating in Cold Climate (Star):
- 2
General Information
- Type:
- Reverse Cycle Air Conditioner
- Colour:
- White
- Noise Level (dBA):
- Indoor: 55, Outdoor: 65
- Additional Features:
- Economy Mode, Filter Sign, Low Noise Mode, On-Off Timer, Powerful Mode
- What's In The Box:
- Wireless remote controller
Warranty
- Manufacturer's Warranty:
- 5 Year
Heating & Cooling
- Indoor Unit Model No.:
- ASTH12KNCA
- Outdoor Unit Model No.:
- AOTH12KNCA
General Information
- Type:
- Reverse Cycle Air Conditioner
- Colour:
- White
- Noise Level (dBA):
- Indoor: 55, Outdoor: 65
- Additional Features:
- Economy Mode, Filter Sign, Low Noise Mode, On-Off Timer, Powerful Mode
- What's In The Box:
- Wireless remote controller
Indoor Unit Dimensions
- Indoor Unit Width (mm):
- 834
- Indoor Unit Height (mm):
- 270
- Indoor Unit Depth (mm):
- 215
- Indoor Unit Weight (kg):
- 9.5
Outdoor Unit Dimensions
- Outdoor Unit Width (mm):
- 663
- Outdoor Unit Height (mm):
- 541
- Outdoor Unit Depth (mm):
- 290
- Outdoor Unit Weight (kg):
- 25
Box 1 Dimensions
- Box 1 Height (mm):
- 596
- Box 1 Width (mm):
- 369
- Box 1 Depth (mm):
- 914
- Box 1 Weight (kg):
- 40
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Product Reviews of Fujitsu C3.4kW H4.0kW Comfort Range Reverse Cycle Split System
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At a glance
This Fujitsu reverse cycle split system is a practical choice for homes wanting one fixed unit for both cooling and heating through the year. It suits bedrooms and small-to-medium living spaces, with useful everyday features like timer control, low noise mode and powerful mode. Its main limitation is that it is not Wi-Fi enabled and does not include inverter technology found on more advanced models.
What it’s great for
- Everyday Home Cooling
- Seasonal Heating
- Bedroom Comfort
- Small Living Areas
- Simple Fixed Climate Control
Where it works best
- Bedroom
- Apartment
- Small Living Room
- Home Study
- Guest Room
Who it’s for
- Homeowner
- Renter with Permission for Fixed Installation
- Small Household
- Budget-Conscious Buyer
- Everyday User
Things to consider
It lacks Wi-Fi connectivity, a human sensor and inverter compressor technology, so it is less advanced than premium split systems focused on smarter control and potentially smoother temperature maintenance.
Room size suitability
Best suited to small-to-medium rooms such as bedrooms, studies and compact living areas
Energy efficiency score
6/10 - solid cooling ratings up to 4 stars, but heating ratings are more modest at 2 to 3 stars depending on climate
Noise level vs category average
5/10 - indoor noise up to 55 dBA and outdoor noise up to 65 dBA are fairly typical rather than especially quiet
Smart home integration score
1/10 - no Wi-Fi support and no smart home connectivity features
Allergy friendliness
Basic - includes a filter sign reminder, but there are no advanced air purification or allergen-specific features listed
Key benefits
- Reverse Cycle Operation: Provides both cooling and heating in one installed system for year-round comfort.
- 3.4kW Cooling Capacity: Well suited to everyday cooling for small-to-medium rooms such as bedrooms and compact living spaces.
- 4.0kW Heating Capacity: Delivers stronger heating output for cooler weather when you need a little extra warmth.
- On-Off Timer: Lets you schedule operation around your routine for more convenient day and night use.
- Low Noise Mode: Helps reduce operating sound for a calmer environment in bedrooms or quiet spaces.
- Powerful Mode: Boosts performance when you want to cool or heat the room faster.
- Economy Mode: Offers a lower-demand operating option when full output is not necessary.
- Energy Ratings: Cooling is rated 3.5 stars in average climate and 4 stars in hot and cold climates, while heating is rated 2.5 stars in average climate, 3 stars in hot climate and 2 stars in cold climate.
Q: What size room is this Fujitsu split system best suited to?
A: Fujitsu SET-ASTH12KNCA is best suited to a single small to medium room, with 3.4kW cooling and 4.0kW heating. It is a better fit for a bedroom or living area than a large open-plan space or whole-home air conditioning.
Q: Does this model have inverter control for steadier temperature changes?
A: No. Fujitsu SET-ASTH12KNCA does not use an inverter compressor, so it cycles on and off rather than varying output continuously. It suits everyday heating and cooling, but it is not the right choice if inverter operation is a must-have.
Q: Can I control this air conditioner from my phone or Wi-Fi?
A: No. This model is not Wi-Fi enabled, so control is from the included wireless remote rather than an app. It suits straightforward in-room use, but it does not support remote access or app-based scheduling when you are away from home.
Q: Is the Fujitsu Comfort Range suitable for a bedroom at night?
A: Yes, for many bedrooms. It includes Low Noise Mode and an on-off timer, which are useful for overnight operation. Indoor noise is rated at 55 dBA, so it is still a fixed split system rather than a near-silent unit for every sleeper.
Q: Does this Fujitsu split system include a timer and remote?
A: Yes. Fujitsu SET-ASTH12KNCA comes with a wireless remote controller and includes an on-off timer for scheduled starts or stops. That makes daily operation simple, but scheduling stays on the handset because there is no Wi-Fi control.
Q: Does it adjust automatically when no one is in the room?
A: No. This model does not include a human sensor, so it does not detect occupancy and change operation on its own. Temperature, mode and timer changes need to be set manually with the remote, which suits buyers who prefer simple controls.