Fronius solar inverters reviews

Based on 5885 ratings Aus Ranking

  • 5 star 4695
  • 4 star 1079
  • 3 star 55
  • 2 star 22
  • 1 star 34

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About Fronius, Solar Inverters

Fronius solar inverters review

Fronius Customer Service: 03 8340 2900

Fronius is a European company that was established by founder Günter Fronius in Austria in 1945. Mr. Fronius kicked off with a repair shop for radios and electrical equipment and soon started making battery chargers, then welding transformers.

The company grew over time from being a welding and battery charger manufacturer to become one of the most prominent European players in the solar market. Its solar division has been operating in this field since 1992, so they have decades of experience - and this shows in Fronius inverter products.

In late 2010, Fronius opened its Australian office based in Melbourne where it not only provides customer service and technical assistance, but also offers product demonstrations and training courses.

Fronius make some of the best inverters in the world. They used to be playing catch up with SMA in terms of industry reputation and quality, but I would argue they have well and truly caught up in recent years. I would happily have one of these inverters on my house.

The inverters are easy to 'export limit', if your local network insists on this as part of your solar connection agreement. But you do have to buy the 'Fronius Smart Meter (FSM)' accessory to do this (about $500 extra). The FSM also allows full consumption monitoring (over and above solar monitoring) although I am not a fan of the Fronius SolarWeb monitoring software.

Personally, I prefer Solar Analytics and always recommend adding Solar Analytics to your Fronius inverter and using that for monitoring instead.

Fronius solar inverters usually come with 2 solar inputs (or MPPTs). Their MPPT efficiency is legendary. And if you have a symmetrical east/west facing roof you can often put both the east and the west array into one input - leaving the second inverter input free for a third roof area.

The only downside with the Fronius hardware that I am aware of is their inverters are fan cooled and can be rather noisy. Keep them away from living areas!

Fronius Solar Inverter Warranty Notes

All Fronius string inverters are accompanied by 5 years Fronius Warranty Plus. However, by registering at www.solarweb.com, customers can receive an additional 5 years warranty free of charge.

If you should experience what you believe to be a warranty related issue with your Fronius inverter, you should first contact the original installer of the unit. However, if that installer is no longer around, don't panic.

Fronius advise that in this situation they first require the customer to find an qualified solar installer to verify the issue with the inverter - but this needs to be paid for my the customer. Once the issue has been confirmed, the installer will then contact the company on your behalf. Fronius will then work with the installer to arrange for replacement of the inverter. If a customer needs help in finding an installer, the company is able to make a recommendation.

Do you own one of these inverters? Share your experiences with other Australians by leaving a Fronius inverter review.

Fronius Solar Inverter Reviews

app is excellent to keep up with performances of a great inverter, but is only early yet seems to be right choice
Bought From: Freedom Energy Solutions Group Pty Ltd
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Our original solar installation back in 2012 I think must have been struck by lightening burning a hole in 1 panel 7blowing the inverter. Our new system is so far superior, though only 4.5 KW we get a check instead of a bill each period even with a cloudy spring and summer.
Bought From: Green Star Solar Pty Ltd
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Bought From: Koala Solar Show additional information
Bought From: Clayton Solar and Electrical Pty Ltd Show additional information
This is the second time I’ve used this brand, and would do so again in a heartbeat, terrific.
Bought From: Adapt Energy
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Bought From: Solargain Wangaratta

Manufacturer Reply

Hi Stuart,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Very happy with Fronius SolarWeb and the consumption monitoring which has allowed me to maximise usage of my solar production
Bought From: Cola Solar

Manufacturer Reply

Hi Shane,
Thank you for your feedback!
We are so happy to hear you are loving the Solar.web monitoring portal.
Kind Regards,
Fronius Australia


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Bought From: SolarWide Pty Ltd

Manufacturer Reply

Hi Jonathan,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Very tidy install
Bought From: Dennis Brothers Electrical Pty Ltd

Manufacturer Reply

Hi Paul,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Solar Wholesalers SA

Manufacturer Reply

Hi Enid,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Hytech Solar Batteries Show additional information
Bought From: Velocity Solar Geelong

Manufacturer Reply

Hi Luke,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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No negative issues to report. It is reliable and its performance matches their advertised performance.
Bought From: East Coast Energy Solutions Pty Ltd

Manufacturer Reply

Hi Phillip,
Thank you for your feedback and support!
We are glad you are loving your Fronius Inverter.
Kind Regards,
Fronius Australia


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Looks like it works well and my Son has had this inverter installed for about 4 years now and no problems
Bought From: Class A Energy Solutions
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Bought From: Fritts Solar GC

Manufacturer Reply

Hi Jamie,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Very solid backup
Bought From: Adam Solar

Manufacturer Reply

Hi Jim,
Thank you for your feedback!
We are so pleased to hear you're loving your Fronius Inverter.
Kind Regards,
Fronius Australia


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Bought From: Green Solar

Manufacturer Reply

Hi Nicholas,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Goliath Solar and Electrical

Manufacturer Reply

Hi Stuart,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Apex Solar and Electrical

Manufacturer Reply

Hi Terry,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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We selected the Fronius 8kw inverter unit. Some online reviews had negative feedback on fan noise.
The fan noise is NOT an issue! Similar to fan on a laptop PC.
Bought From: Jet Solar Melbourne GC

Manufacturer Reply

Hi Alistair,
Thank you for your feedback!
We are so happy to hear you are loving your Fronius inverter.
Kind Regards,
Fronius Australia


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10/10 so far we have no issues :)
Bought From: Samar Tech

Manufacturer Reply

Hi Shaun,
Thank you for your feedback!
We are glad you are happy with your Fronius inverter.
Kind Regards,
Fronius Australia


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Hasn’t missed a beat
Bought From: Matrix Solar Solutions Pty Ltd

Manufacturer Reply

Hi David,
Thank you for your feedback.
We appreciate your support.
Kind Regards
Fronius Australia


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Bought From: RK Solar And Consulting Sydney North

Manufacturer Reply

Hi Arron,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Koala Solar

Manufacturer Reply

Hi Gary,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Solargain Melbourne

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Hi Daniel,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Solar Wholesalers SA

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Hi Colin,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: AG Solar Pty Ltd

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Hi Conor,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Surge It Solar and Electrical

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Hi Leo,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Adapt Energy

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Hi Garth,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: SAE Group Brisbane East

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Hi Tim,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Quest Energy

Manufacturer Reply

Hi Rob,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Others only offered Goodwe or Sungrow which we were not keen on given the inverter is the heart if the system.
Bought From: Schumacher Solar & Electrical

Manufacturer Reply

Hi Bert,
Thank you for your feedback!
We appreciate your support in selecting a Fronius inverter and glad you are pleased with your purchase.
Kind Regards,
Fronius Australia


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Very happy that it will have monitoring on the mobile phone app.
Now, after 9 months use, my system is performing brilliantly. Not 1 reason to call my installer who has done a great job.
Bought From: Wilsons Solar and Electrical

Manufacturer Reply

Hi Bob,
Thank you for your feedback.
We are delighted to hear you are loving Solarweb.
Kind Regards,
Fronius Australia


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Bought From: Perth Solar Warehouse

Manufacturer Reply

Hi Andrew,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Koala Solar

Manufacturer Reply

Hi Janis,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Expert Electrical Beaudesert to Warwick

Manufacturer Reply

Hi Bob,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Hielscher Electrical and Communications Pty Ltd

Manufacturer Reply

Hi Kerry,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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The fronius has been flawless so far with no issues at all.
Bought From: Green Wave Solar Pty Ltd

Manufacturer Reply

Hi Brad,
Thank you for your feedback!
We are so pleased to hear you are loving our Fronius inverter.
Kind Regards,
Fronius Australia


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Bought From: Regen Power

Manufacturer Reply

Hi Leanne,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Quite quiet, works without any problems in my garage where the ambient temperature can go up to 45C (which is perfectly within its range). Love its PV point which can give you power during a day even if the main grid is down.
Downside - there is no LCD panels anymore but on the bright side - super nice _LOCAL_ web interface and Fronius let you query and get all those stats locally- which means no internet required and it is super easy to connect to various home automation systems.
Bought From: Keen 2B Green Pty Ltd

Manufacturer Reply

Hi Alexander,
Thank you for your feedback!
We are so happy to hear you are loving your Fronius inverter.
Kind Regards,
Fronius Australia


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Bought From: Sunrun Solar VIC

Manufacturer Reply

Hi Paresh,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Perth Solar Warehouse

Manufacturer Reply

Hi Ross,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Schumacher Solar & Electrical

Manufacturer Reply

Hi Jacob,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Adapt Energy Gold Coast - Brisbane

Manufacturer Reply

Hi Matt,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Winki Solar Geelong

Manufacturer Reply

Hi Khyalla,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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It malfunctioned early on second day making small explosive noise which threw RCD and made worrying electrical fire smell.

This happened a second time. was identified as water running down wall. extra moisture protecton was added and running well since
Bought From: MLEC Solar Perth

Manufacturer Reply

Hi Diane,
Thank you for the feedback!
Has this issue been resolved yet? If not, we would suggest your system installer to touch base with Fronius Technical Support team and we are more than happy to resolve this.
Kind Regards,
Fronius Australia


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Bought From: Perth Solar Warehouse

Manufacturer Reply

Hi Kelly,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Proven Energy

Manufacturer Reply

Hi Kathy,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Australian Enviro Projects Brisbane

Manufacturer Reply

Hi Orien,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Bought From: Capacity Electrical

Manufacturer Reply

Hi Lily,
Thank you for your feedback and support!
Kind Regards,
Fronius Australia


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Fronius has 89 solar inverters in our database

Model DC Voltage AC Power Efficiency
1.5-1420 V150095.90
10.0-3-M1000 1000098.00
100-1230-50010000 96.00
100-2230-5008000 96.00
10000F600V10000 96.00
10001F-2230-500100000.00
100V-1230-500(600)800095.70
100V-2230-500(600)800095.70
100V-3230 - 500 (600) 8000 95.90
11.4-3 Delta240 V11400 W95.50
12.0-3 WYE277 V12000 W96.00
12.5-3-M10001250098.00
120-3230-5001000096.00
12000F600V12000 96.00
12001F-3230-50012000 0.00
120V-3230-500(600)1000095.90
15.0-3-M10001500098.10
150-3230-500 1200096.00
150V-3230-500(600)12000 95.90
17.5-3-M10001750098.10
2.0-1420 V200096.00
2.5-1550 V250096.10
20.0-3-M10002000098.10
22.7-3480 V22727 W97.50
24.0-3480 V23995 W97.50
25V-1230 - 500 (600) 2600 95.70
3.0-1550 V300096.10
3.0-3-M1000300098.00
3.0-3-S1000300098.00
3.1-1550 V310096.10
3.7-3-M1000370098.00
3.7-3-S1000370098.00
3.8-1240 V3800 W95.50
3001F-1230-5003000 3001.00
30V-1230-500(600)3000 95.70
3300F600V330096.20
35-1230-500350096.00
3501F-1230-500(600)3500 95.70
35V-1230-500(600) 3500 95.70
4.5-3-M1000450098.00
4.5-3-S1000450098.00
4000F600V400096.20
4001F-1230-500(600)400095.70
5.0-3-M1000500098.00
5.5-3-M1000550098.00
50-1230-500 400096.00
50V-1230-500(600) 4000 95.70
55V-1230-500 (600 Voc) 500095.70
55V-2230-500 (600Voc)5000 95.70
55V-3230 - 500 5000 95.90
6.0-3-M1000600098.00
6.7-3-M1000670098.00
60V-1230 - 500 600095.70
60V-2230 - 500 600095.70
60V-3230 - 5006000 95.90
6500F600V650096.20
6501F-2230-500(600) 650095.10
7.0-3-M1000700098.00
7.5277 V7500 W96.00
7.6-1240 V7600 W97.00
70-18000230-500 95.70
70-2230-500650096.00
70V-1230-500(600) 650095.70
70V-2600 V6500 95.70
8.0-3-M1000800098.00
8.2-3-M1000820098.00
8000F230-500(600)800096.20
8001F-2230-500(600) 800095.20
8001F-3230 - 500 (600)800095.70
80V-3230 - 500700095.90
A 12.0-3 WYE277 V12000 W96.00
Agilo 100.0-3950 V10000097.20
Agilo 75.0-3950 V7500097.30
CL 33.3 Delta240 V33300 W95.00
CL 44.4 Delta240 V44400 W95.00
CL 55.5 Delta240 V55500 W95.00
CL36.0600 V36000 95.90
CL48.0600 V4800095.90
CL60.0600 V6000095.90
IG TL 3.0350-700 300097.70
IG TL 3.6350-7003600 97.70
IG TL 4.0350-7004000 97.70
IG TL 4.6350-700460097.70
IG TL 5.0350-700500097.70
IG15150-500 150094.20
IG20150-5002000 94.30
IG30150-500 265094.30
IG40150-5004100 94.30
IG60 HV150-5004600 94.30
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