I can admit that I am often preoccupied with money. I wish that I did not care about finances so much, but growing up in a financially scarce household has made me extremely paranoid about the status of my bank accounts. I am always trying my best to earn an extra buck and to save five more. I take on all sorts of random jobs to make extra cash and I get extremely innovative when I have a large expense coming up. This is why I occasionally have tried to hire a non-professional heating, cooling, and air quality control expert before. I guess I should not call them a heating and cooling expert, because they generally do not have any credentials or the knowledge to earn them such an advanced air quality control title. I have made this mistake several times in my past, by hiring extremely cheap heating, cooling, and ventilation repair shops based on the cost of their routine service and emergency repair fees. I did not pay very much attention to the reviews given to these indoor air quality control companies, so much as I was thrilled about the low price tag on an air conditioner or furnace appointment. It turns out, this is very unwise. You want to have a highly trained indoor air quality control repair specialist to inspect and maintain your indoor air handling equipment. I have learned the hard way that expertise and on-site heating, cooling, and ventilation training really matters. professional heating and cooling knowledge is not cheap and you should not try to cut corners. I tell you this as I replace my entire broken HVAC system – which was busted by the last cheap HVAC dealership I hired.