As the folks here will tell you, it's all in the install. Specifically, you first have a contractor assess your needs by asking you questions and performing a load calculation. That is imperative. If you find that asking for these simple things you get a bunch of blab and sales pitches, then move to other contractors/companies.

Do this for three of them and get three bids or proposals.

Next, based on those, see what the features are and pricing. Think about warranty and include the cost of a 10 year extended labor warranty.

Once you done that, consider the reputation of the company and people installing it.

Base your decision on those factors, rather than brand.

For me, in my area, it worked out to be....in order.....
1. Trane
2. Carrier