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Fujitsu C3.5kW H3.7kW Reverse Cycle Split System
SET-ASTG12KMTC
NOT AVAILABLE
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Product Overview
Key Features
- 3.5kW cooling and 3.7kW heating for year-round comfort
- 5 star cooling rating, 24 hour timer, wireless remote
- Apple-Catechin and Ion Deodorisation filters for clean air
Key Specifications
- Brand:
- Fujitsu
- Model Number:
- SET-ASTG12KMTC
- Cooling Capacity (kW):
- 3.5
- Heating Capacity (kW):
- 3.7
- Energy Rating - Cooling in Average Climate (Star):
- 4.5
- Energy Rating - Heating in Average Climate (Star):
- 3
- Timer:
- Yes - 24 Hours
Heating & Cooling
- Maximum Airflow (m3/hr):
- 770
- Inverter Compressor:
- Yes
- Human Sensor:
- Yes
- Filters:
- Advanced filtration: Apple-Catechin filter maintains air quality throughout the home & Long-Life Ion Deodorisation Filter powerfully decomposes absorbed odours
- Indoor Unit Model No.:
- ASTG12KMTC
- Outdoor Unit Model No.:
- AOTG12KMTC
Efficiency
- Energy Star Rating - Cooling in Hot Climate (Star):
- 4.5
- Energy Star Rating - Heating in Hot Climate (Star):
- 3.5
- Energy Star Rating - Cooling in Cold Climate (Star):
- 5
- Energy Star Rating - Heating in Cold Climate (Star):
- 2.5
Safety
- Installation:
- This product contains no user-serviceable parts. Always consult authorized service personnel for repairing, installation, and relocation of this product. Improper installation or handling will cause leakage, electric shock, or fire.
General Information
- Type:
- Reverse Cycle Air Conditioner
- Colour:
- White
- Noise Level (dBA):
- Indoor: 42, Outdoor: 59
- Additional Features:
- Low Noise Mode (Outdoor Unit), Super Quiet Mode (Indoor Unit), Powerful Mode, Automatic Air Flow Adjustment, Auto Restart, Compatible with Air Conditioning Demand Response program
- What's In The Box:
- Wireless remote controller
Warranty
- Manufacturer's Warranty:
- 5 Year
Manuals & Downloads
- Fujitsu - SET-ASTG12KMTC - User Manual.pdf
- Download
Heating & Cooling
- Maximum Airflow (m3/hr):
- 770
- Inverter Compressor:
- Yes
- Human Sensor:
- Yes
- Filters:
- Advanced filtration: Apple-Catechin filter maintains air quality throughout the home & Long-Life Ion Deodorisation Filter powerfully decomposes absorbed odours
- Indoor Unit Model No.:
- ASTG12KMTC
- Outdoor Unit Model No.:
- AOTG12KMTC
Safety
- Installation:
- This product contains no user-serviceable parts. Always consult authorized service personnel for repairing, installation, and relocation of this product. Improper installation or handling will cause leakage, electric shock, or fire.
Warranty
- Manufacturer's Warranty:
- 5 Year
Indoor Unit Dimensions
- Indoor Unit Width (mm):
- 834
- Indoor Unit Height (mm):
- 270
- Indoor Unit Depth (mm):
- 222
- Indoor Unit Weight (kg):
- 10
Outdoor Unit Dimensions
- Outdoor Unit Width (mm):
- 799
- Outdoor Unit Height (mm):
- 542
- Outdoor Unit Depth (mm):
- 290
- Outdoor Unit Weight (kg):
- 32
Box 1 Dimensions
- Box 1 Height (mm):
- 934
- Box 1 Width (mm):
- 940
- Box 1 Depth (mm):
- 375
- Box 1 Weight (kg):
- 48
Product Reviews of Fujitsu C3.5kW H3.7kW Reverse Cycle Split System
Overall Rating Snapshot
4.5 out of 5 stars from 251 reviews
90% of users recommend this product
What customers say, summarised by AI
- Very quiet operation; ideal for bedrooms and other living spaces.
- Heats and cools rooms quickly and effectively, even in larger areas.
- Reliable, with many customers returning for additional units after years of use.
- Features such as automatic air flow, sleep/weekly timers, and energy-saving modes are popular.
- Remote control is generally user-friendly, but some find it difficult or lacking backlight.
- Installation experiences vary; some found it quick and tidy, others reported high costs or poor service.
Pros
Quiet (39)
Easy (26)
Efficient (18)
Quality (12)
Cleaning (3)
Efficiency (3)
Reliable (3)
Speed (3)
Value (1)
Cheap (1)
Safety (1)
Good quality, silent and works well
Missing wofi control, wish it was smart ac.
SmilePlease
Confirmed purchase 24 July 2023
Published on 17 October 2025
Yes, I recommend this product.
Check out what this reviewer thought after the first 3-6 months.
Simple
Fast working unit with good features and works as good as a bigger split system
Greg
Confirmed purchase 11 October 2024
Published on 5 November 2024
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Remote control
Not liking that much
Vicki hearn
Confirmed purchase 15 March 2023
Published on 14 October 2024
Check out what this reviewer thought after the first 3-6 months.
Great features
Good and reliable
John northorpe
Confirmed purchase 18 August 2023
Published on 16 November 2023
Yes, I recommend this product.
Check out what this reviewer thought after the first 3-6 months.
Fantastic Product
While it is a little bulky in appearance the benefits far out way that, it is very quite, it cools the whole of our home efficiently. Air quality is maintained as the filter absorbs dust, mold spores & other harmful microorganisms. Functions include Automatic Air Flow Adjustment, Sleep & Weekly Timer, Quiet Mode & Powerful Mode. Good Energy usage, it has the Human Sensor that delivers optimal efficiency & temperature control. If theres no movement after 20 minutes, the air conditioner switches to energy saving mode & only back again once movement is detected. No more hot humid rooms, perfectly cooled & the Air quality is amazing. Remote Control is User Friendly. We purchased it from the Good Guys at Warners Bay, NSW who gave us excellent service, a great price & the Installation was a breeze. I have no hesitation in recommending this wonderful product.
Carol & Bob Ross
Confirmed purchase 24 October 2023
Published on 13 November 2023
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Quiet. Working well
The air conditioners are working well. They cool the room beautifully and they are quiet. Very pleased.
Desi
Confirmed purchase 14 August 2023
Published on 13 November 2023
Yes, I recommend this product.
Check out what this reviewer thought after the first 3-6 months.
Got 2 Fujitsu's very good.brand
Highly recommend 5 star rating
Pat
Confirmed purchase 11 August 2023
Published on 10 November 2023
Yes, I recommend this product.
Check out what this reviewer thought after the first 3-6 months.
Fantastic Product
The 3.5 Fujitsu easily cools our smallish home, 2 bedrooms, Hall Way, Lounge, Dinning Room & Kitchen. Apple-Catechin filter 1, air quality is maintained as the filter absorbs dust, mold spores & other harmful microorganisms, this is excellent as my husband gets Asthma. Super Quite, Automatic Air Flow Adjustment, Sleep & Weekly Timer, Quiet Mode & Powerful Mode are all wonderful features. Human Sensor that delivers optimal efficiency & temperature control that if theres no movement after 20 minutes, the air conditioner switches to energy saving mode & only back again once movement is detected, very economical. Big plus is the 5 years parts & labor Warranty. Service from Bruce & Mr Grant from the Good Guys was amazing, they both were very informative & only to happy to help us through the purchase & installation period, simply brilliant. I have no hesitation in recommending this product.
Carol & Bob Ross
Confirmed purchase 24 October 2023
Published on 9 November 2023
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Only just had it fitted
Just fitted and only tested but started with a powerful boost and cooled the bedroom in a few minutes. This is the 2nd Fujitsu I've purchased in the last few years and they are a great system.
Caroline Ann
Confirmed purchase 16 October 2023
Published on 8 November 2023
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Anonymous
Confirmed purchase 10 October 2023
Published on 3 November 2023
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 10 of 251 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
This Fujitsu reverse cycle split system is a practical mid-range choice for small to medium rooms that need reliable cooling in summer and heating in winter. It suits households wanting a recognised brand, straightforward operation and balanced everyday comfort. Its main strength is year-round versatility in one system. The honest limitation is that it is not the best fit for large open-plan areas or buyers seeking advanced smart-home features.
What it’s great for
- Year-round home comfort
- Bedroom climate control
- Living area heating and cooling
- Small-to-medium room conditioning
- Everyday household use
Where it works best
- Bedrooms
- Apartments
- Small living rooms
- Home offices
- Medium-sized family rooms
Who it’s for
- Homeowners
- Renters with approval to install
- Small families
- Apartment dwellers
- Everyday households
Things to consider
This size is better suited to small or medium rooms; premium systems may offer quieter operation, stronger air purification and more advanced app or voice-control options.
Room size suitability
Best for small to medium rooms, such as bedrooms, home offices and modest living areas
Energy efficiency score
7/10 - reverse cycle systems in this capacity class are typically reasonably efficient for everyday use, but the exact Australian star rating depends on the specific model variant
Noise level vs category average
6/10 - generally in line with typical split system expectations, though premium models may run quieter at low fan settings
Smart home integration score
3/10 - likely focused on conventional remote control operation rather than advanced built-in app or voice assistant features
Allergy friendliness
Moderate - suitable for general air recirculation and basic dust capture, but not a specialist air purification solution
Key benefits
- Reverse Cycle Heating and Cooling: One system handles both summer cooling and winter heating, making it practical for year-round use.
- 3.5 kW Cooling Capacity: Well suited to keeping small to medium rooms comfortable during warmer weather.
- 3.7 kW Heating Capacity: Delivers slightly stronger heating performance for cool mornings and winter evenings.
- Split System Design: Keeps the noisiest mechanical components outside, helping maintain a more comfortable indoor environment.
- Wall-Mounted Indoor Unit: Saves floor space and works well in bedrooms, apartments and compact living areas.
- Balanced Capacity Class: This size offers a practical middle ground for everyday comfort without stepping up to a larger-room system.
Q: What room size is the Fujitsu C3.5kW H3.7kW split system best suited to?
A: It is best suited to a small to mid-sized room. In typical Australian homes, 3.5kW cooling generally suits about 15 to 25 square metres, depending on ceiling height, insulation, window area and how much afternoon sun the room gets.
Q: What does Human Sensor Control do on this Fujitsu split system?
A: Human Sensor Control detects occupancy and helps reduce unnecessary energy use when the room is empty. It is useful in bedrooms, studies or living areas that are not occupied all day, especially when paired with economy mode or timer settings.
Q: Can the weekly timer and economy mode help lower running costs on this model?
A: Yes, these features are designed to reduce power use by limiting full-output operation when it is not needed. The benefit is greatest if the system runs on a routine, such as morning heating or evening cooling, rather than all day at one set temperature.
Q: Is the heating performance stronger than the cooling performance on the Fujitsu ASTG12KMTC?
A: Yes, its rated heating capacity is 3.7kW versus 3.5kW for cooling, so it has slightly more heating output on paper. Heating efficiency also varies by climate, with lower heating star ratings shown for colder regions than for average or hot climates.
Q: Why can this Fujitsu split system wait a few minutes before restarting after being turned off?
A: Because reverse cycle split systems commonly use a short compressor protection delay before restarting. A pause of about 3 minutes is normal and helps protect the compressor from rapid stop-start cycling, especially after a mode change or power interruption.