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Rinnai Avenger 25MJ LPG Unflued Convector Heater - White
AV25L3
$1899
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Product Overview
Key Features
- Unflued gas room heater, portable design
- LPG fuel, 6.2 Kilowatt power output
- 5.8 Star energy rating
- Portable with variable heat settings and remote
- Child safety lock, dual timers, low emission tech
Key Specifications
- Brand:
- Rinnai
- Model Number:
- AV25L3
- Fuel Type:
- Liquid Petroleum Gas (LPG)
- Compatible Room Size:
- 53m2
- Power:
- 6200W
- Energy Rating (Star):
- 5.8
- Thermostat:
- Yes
Heating & Cooling
- Gas Input:
- 8.5 - 25MJ/h
- Heating Settings:
- Variable
Options
- Remote Control:
- Yes
- Timer:
- Yes - dual digital timers for mornings and evenings
Safety
- Safety:
- Child Safety Lock
- Installation:
- Must be checked and serviced every two years by a licensed and registered plumber
General Information
- Type:
- Unflued Portable Gas Heater
- Colour:
- White
- Portability:
- Portable
- Availability:
- Not available in Victoria due to state legislation. Not available in SA (Gas Heaters over 18MJ must be flued)
- Additional Features:
- Low Emission Technology, Economy Mode, Preheat Feature
Warranty
- Manufacturer's Warranty:
- 5 Year
Heating & Cooling
- Gas Input:
- 8.5 - 25MJ/h
- Heating Settings:
- Variable
Safety
- Safety:
- Child Safety Lock
- Installation:
- Must be checked and serviced every two years by a licensed and registered plumber
Warranty
- Manufacturer's Warranty:
- 5 Year
Product Dimensions
- Product Height (mm):
- 485
- Product Width (mm):
- 610
- Product Depth (mm):
- 245
Box Dimensions
- Box Height (mm):
- 660
- Box Width (mm):
- 320
- Box Depth (mm):
- 700
- Box Weight (kg):
- 16
Product Reviews of Rinnai Avenger 25MJ LPG Unflued Convector Heater - White
Overall Rating Snapshot
4.7 out of 5 stars from 27 reviews
96% of users recommend this product
What customers say, summarised by AI
- Provides efficient, instant heat suitable for large open areas and homes.
- Temperature control and remote offer convenience, though some report uneven temp maintenance.
- Stylish and quiet design with a casing that stays cool to touch for safety.
- Easy to operate and install if a gas connection is already present.
- High efficiency rating, but several users note considerable gas usage.
- Some customers experienced confusion with LPG vs natural gas models during purchase.
Awesome Back Filters
Julie
Confirmed purchase 9 July 2025
Published on 6 August 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.
Perfect for our house
Temperature control is amazing
Lesley
Confirmed purchase 16 August 2023
Published on 2 September 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.
Good
Good
Anand
Confirmed purchase 13 May 2023
Published on 13 August 2023
Yes, I recommend this product.
Check out what this reviewer thought after the first 3-6 months.
Value for money
Efficient and easy to use
Paul Strugnell
Confirmed purchase 7 July 2023
Published on 7 August 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.
Kerry
Confirmed purchase 15 June 2023
Published on 10 July 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.
Great
Very effective
Anand
Confirmed purchase 13 May 2023
Published on 28 May 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.
Excellent product
My last gas Rinnai gas heater is at least 40 yrs old, so it was time to upgrade my new Rinnai Avenger 25 is shear luxury, the instant heat is unbelievable, I would highly recommend this product.
Linda Torrens
Confirmed purchase 10 May 2023
Published on 24 May 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.
Good
need to have a little longer to see how long gas kasts.
Pep Nichols
Confirmed purchase 7 August 2022
Published on 24 August 2022
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Brilliantly efficient
This product is stylish, efficient, wonderfully warming and quiet
Lorna
Confirmed purchase 22 May 2022
Published on 20 August 2022
Yes, I recommend this product.
Check out what this reviewer thought after the first 3-6 months.
Very good
Very good
Marilyn
Confirmed purchase 4 June 2022
Published on 21 June 2022
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 27 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 Rinnai Avenger 25MJ LPG Unflued Convector Heater is a powerful, portable gas heater ideal for large open plan areas. It features dual programmable timers, a remote control, and high energy efficiency (5.8 star rating), making it well-suited for families and those seeking convenience and cost savings. Its main limitation is that it requires an LPG gas connection point, which may not suit all households.
What it’s great for
- Quick Room Heating
- Energy Efficient Heating
- Large Space Warming
- Family Comfort
Where it works best
- Large Living Rooms
- Open Plan Homes
- Family Areas
- Rental Properties
Who it’s for
- Families
- Renters
- Homeowners
- People Needing Portable Heating
Things to consider
Requires an LPG gas connection point, which may not be available in all homes.
Room size suitability
Best for large open plan living areas up to 90 m²
Energy efficiency score
9/10 - 5.8 star rating, among the most efficient in its class
Family safety rating
8/10 - Includes tip-over switch and low emission technology, but requires careful LPG handling
Portability rating
9/10 - Lightweight and portable with easy relocation
Noise level vs category
7/10 - Quiet operation for a gas heater, but some fan noise may be noticeable
Key benefits
- Dual Programmable Timers: Set heating schedules for morning and evening to match your routine.
- Remote Control: Adjust settings from anywhere in the room for maximum convenience.
- 5.8 Star Energy Efficiency: Lower running costs and reduced energy consumption compared to standard gas heaters.
- Economy Mode: Automatically adjusts output to maintain comfort while saving energy.
- Low Emissions Technology: Produces less than half the emissions of the Australian standard for unflued gas heaters.
- Tip-over Safety Switch: Automatically shuts off the heater if accidentally knocked over.
- Portable Design: Easily move the heater to different rooms as needed.
- Large Heating Capacity: Effectively warms large open plan spaces quickly.
Q: How much LPG does the Rinnai Avenger 25 use in real-world use?
A: At full output, a 25MJ LPG heater typically uses about 0.5kg of gas per hour. That means a common 9kg LPG bottle lasts roughly 18 hours on maximum heat, or longer if the heater is run on a lower setting.
Q: What does the running cost look like for the Rinnai Avenger 25 LPG heater?
A: Running cost depends on local LPG refill pricing, but a 25MJ heater using about 0.5kg per hour is roughly $1.40 to $1.90 per hour if a 9kg refill costs $25 to $35. Actual cost is lower when the heater is not used on maximum output.
Q: Is the Rinnai Avenger 25 better suited to large rooms or smaller spaces?
A: It is generally better suited to larger living areas, because 25MJ/h is a high heat output for a portable indoor gas heater. As a rough guide, that can suit about 55 to 85 square metres, depending on insulation, ceiling height and climate.
Q: Can the Rinnai Avenger 25 LPG heater be used in a bedroom or tightly sealed room?
A: No. As an unflued gas heater, it needs fresh-air ventilation during use and is better suited to ventilated living areas. It is not the right choice for small sealed spaces, because unflued heaters release combustion products into the room.
Q: What should buyers know about choosing the LPG version of the Rinnai Avenger 25?
A: This model is the LPG version, so it is designed to run from bottled gas rather than a natural gas bayonet connection. That makes it suitable where bottled LPG is already used, but it is not the right match for homes set up only for natural gas.