Whenever you go to hire a heating plus air conditioner specialist, here is a little tip that I l acquired the hard way; You should always ask questions plus look out for hidden charges. Some heating plus air conditioner companies are pretty straight forward with their rates. These would be the heating plus air conditioner locales that have been in corporation for years. Then, you have your independent heating plus air conditioner contractors. This is where you need to be careful. I have hired several independent heat plus air conditioner contractors over the years plus most of the time there is some hidden charge in their rates. You need to ask them about everything from trip charges, hourly rates plus even the hours of operation in terms of what time of the day they are coming to perform whatever Heating and A/C cabin services you may require. This is where I noticed a lot of the hidden charges coming in. If you ask up front you will guess exactly what you will be paying plus guess if you should go with your heating plus air conditioner contractor selection or not. You should even ask with the heating plus cooling companies, just to be on the safe side. This is my advice on the matter because I used to be pretty nicely in the dark about the costs of heating plus air conditioner services with different heat plus air conditioner companies plus heating air conditioner contractors. But now I know, plus now I am sharing this information with you all because it is my choice.