I am a firm believer in using brands that have been around for a long time when it comes to heating & cooling equipment.
Those brands are reputable & have a lot of experience in doing what they do so you guess that your heating system & air conditioner machine will run correctly.
I personally prefer getting energy star products because they have been around for a long time & tell me that the machine is not only going to toil well but be energy efficient as well. I’ve made the mistake of buying an air conditioner machine that wasn’t an energy star product & I saw our energy bill skyrocket the entirely first week that I used it. I asked the air conditioner company if I would be able to swap it out after about 3 weeks, but our partner didn’t sign up for the warranty so both of us were basically stuck with it. I was so cheerful when both of us moved to a up-to-date state & I was able to transport into a up-to-date home that had an energy star air conditioner. Our weekly bills decreased again, & I have been using the products ever since! I’m not a brand snob with a lot of other things though. For example, our sister only likes to wear 1 particular brand of workout clothes, despite the fact that I could wear a tank top from the dollar store to go out on a run. Certain things don’t need to have a brand name for me, but when it comes to larger investments, I want to have faith in the brand that I’m investing in.