A majority of the repairs that I have to do at my residence are fairly easy. I prefer fixing things all on my own & saving all the money that I would have to spend on the actual HVAC machine professionals! That goes for just basically everything that I have to fix, including my HVAC machine. I have watched a ton of unusual HVAC service videos online & I have read all kinds of heating & cooling blogs. I will admit, I’m not exactly what you would call an HVAC service professional or anything. I do easily know how to do simple repairs on my heating machine & my A/C machine now & I consistently do the official maintenance work. I also have acquired how to change out the air filters. Doing those things saves me a pretty decent amount of money on HVAC corporations. Every so often, though, something comes up with the oil heating machine or the central A/C machine that I just can’t figure out how to actually fix. I don’t prefer messing around with the HVAC machine at that point. I recognize my limits when it comes to repairing my HVAC machine. When something happens to the furnace or the A/C machine that I can’t even figure out, I go ahead & get a hold of my local heating & cooling business to have them come & take a look at everything. I recognize that if I messed around with it myself, I would definitely make the concern even worse. I’d end up having to spend my money for more HVAC fixes than I would have in the very beginning. There’s consistently a time to call in a professional HVAC service professional.