HF solar is WAYYYYY over priced! But to run a fridge alone that will use 3kwh a day needs some serious battery! My fridge is a converted chest freezer that draws 400wh in a day! But it is a trade off with a lot less space. I have 1200 watts of panels installed, a 928AH battery bank(16 6 volt batteries)...
Good inverters approach 90++% efficiency so that is not a big issue anymore, charge controllers are in the same ballpark for quality MPPT. But you are talking a minimum of $3-4k to duplicate my system! I run the fridge 24/7 unless it is really cloudy for days on end. Runs living room lighting(soon to be all house lighting), and my ham radio gear 24/7. Also runs my computer until battery drops to 80% then the transfer switch drops me back on grid.
Battery box with lids removed and before I got venting and some of the wiring done. Had just built it...
Inverters, charge controllers(adding 1200 more watts of panels), comm controller junction box...
First set of 8 panels for 1200 watts, takes up a 10x10' square of space!
Then you need lightning protectors, wiring, junction boxes and disconnects outside... it is not cheap but I get frequent short power outages that meant starting a generator for 5-6 hours at least 4 times a month. Got tired of it so now I flip a switch!