Solar quote Melbourne - Northern Suburbs

[Nauman]

got the following 2 similar quotes, more concerned about which company to go with in terms of after-sales support and workmanship.

We have a single-phase connection, with an average of 8kw daily usage

Amazing Solar
$6,832.76 with $850 (upfront) + 1,400(interest free loan)

Tiger Neo N-type 54HL4R-(V) 6.600 kW of Solar Power
15 x JKM440N-54HL4R-V Tiger Neo 440 Watt panels

DNS G3 Series 5 kW of Inverter Power
GoodWe 1 x GW5000-DNS-30

Green Electric Solutions
$6,044 with $850 (upfront) + 1,400(interest free loan)
6.6kW Solar system

15 × 440W Trina Solar Vertex S+ - TSM-440NEG9R.28
1762 mm × 1134 mm · Monocrystalline

1 × GoodWe GW5000D-NS · 4999W

[Svarky]

Very similar components and prices. Did either one of the companies come and visit your house to double check everything?

Sometimes it’s hard to choose and you just have to go with your gut feeling in the absense of any reliable reviews or recommendations.