I'm going to have a system check performed this week on the heating and AC unit. It's important to know that things are working properly at all times. Everyone of my friends and I live in an apartment where we are responsible for the repairs to the heating and AC system. When there are issues that come up, we usually call the same heating and AC Service provider. The place charges good rates and they always tell us when there is a problem that needs to be resolved. There aren't really a lot of people that prefer this type of setting, but my friends and I don't mind paying for the repairs as long as they are small. There could have been a time when our system failed, but we have been working very hard to make sure that these repairs are completed when necessary. Having the heating and AC professional on call absolutely helps. I am going to nip the problems in the bud before they can chop down on myself and others again. I absolutely need to make sure that the system is cleaned correctly. I have this many year contract with the heating and AC provider and I can call them three times every year without being charged for any additional fees. This is part of the process that I absolutely prefer and one of the main reasons why we decided to go with a service contract in the first place. When we can get it all done for free or low cost, it's great.