Should take your time when you are working on HVAC equipment

I don’t truly know for certain if this is a fact or not, but in my experience when it comes to heating & air conditioner appliance specialists doing Heating, Ventilation & A/C tune ups & check ups, when they take longer to do them & spend more time on it, it is of a much higher quality.

I have had a good number of heating & air conditioner appliance specialists over the years do our Heating, Ventilation & A/C appliance tune ups & check ups, & I noticed the people who take a couple of hours typically end up being the best. Those who take roughly an hour are good… And those who take less than 30 minutes are usually the workers that do not catch everything & I end up having a heating & air conditioner appliance breakdown at some point over the next few months. This is basically my own personal findings & experience & I could be completely wrong in what I am saying. This is how it has consistently worked out for me. I am not a heat & a/c appliance expert or quality assurance man by any means, however for all I truly know this is all simply coincidence & I could be talking a bunch of false information about the heating & air conditioner appliance business. What are your experiences with heating & air conditioner appliance specialists, the amount of time they take when doing Heating, Ventilation & A/C tune ups & check ups & what have you found? That would be what I am looking to know… My next heating & air conditioner appliance tune up & check up is due next week. I will see how everything goes.