I have heating and air conditioning zone control also known as a zoned heating plus cooling system, I have had it for a little less than a year, and so when it came time for my heating plus cooling system tune up plus check up, I was quite surprised that it cost a bit more than what a regular central heating plus cooling system tune up plus check up would cost. I was also certainly on the fence about having to pay this! But I certainly needed to keep up with my heating plus air conditioner tune up plus check up so I had no choice however to pay the extra cost for the heat plus cooling system tune up plus check up, and this is the only way to do it. But I do care about my zoned heating plus cooling system. It has made life so much easier for myself and others plus my family by fixing the uneven temperature troubles that the people I was with and I have been having within the whole house. It is certainly because of the way the lake condo was built is why the temperatures were uneven plus why the people I was with and I had to invest in a zoned heating plus cooling system in the first venue. But because the people I was with and I now have this zoned heating plus cooling system, the people I was with and I have great weather conditions control plus temperature control in the house. So if I have to pay a little extra to get the heating plus air conditioner component tuned up plus inspected up, so be it. It will keep my zoned heating plus cooling system running plus working well.