Keep in mind the bulk of installs fail because of improper installation! Many of the how to videos are either for R22 or done by people that do not have a clue what they are doing!!
I checked the ready made flairs with a flair gauge and I think 3 of them failed and the nuts on the ready...
Not a technical person, a homeowner trying to get by. Was told to use various things like Sjoow or Soow or did not matter. Turns out it can possibly fail inspection if inspector is paying attention and not shielded, which modern electronics needs.
So I went with something like this...
Keep in mind I am not an AC tech, just another guy trying to get by. From what I understand I would not coil the lineset! It can be installed in a serpentine fashion which would eliminate any possibility of oil traps.
Long story, when getting estimates the local heavy advertiser, was recommended to me. I did not get an estimate from them as I am cynical and their ads sounded deceptive, plus someone has to pay for all that TV time...
I live in an electric co-op area, our electric cost is quite low, base rate is $0.076 for the first 500 Kwh. Spending money for higher SEER would be a waste of money as the payback time would be very long. Also higher SEER is also more technical and complicated, which is more prone to...
I moved from NY to Florida, before moving all I knew about AC was turn it on and off, fan speed. What I quickly learned in Florida is most AC people are not only incompetent but crooks as well. Now there are good honest people around but they are hard to find.
So anyway I now own about $800...