If you are looking to get accurate information on your heating and air conditioning system do not turn to the internet.
The internet they say is a good source of information about everything, including heating and air conditioning. However this was almost 20 years ago when it was new and not many people were out there. Today the internet is commercialized and there is so much false information out there about tons of things, including heating and air conditioning. This false information can be damaging to your central heating and air conditioning unit if you were to believe it and listen to it. This is why the best information when it comes to heating and air conditioning is to go to your local heat and a/c specialist and ask questions. The heating and air conditioning specialists will tell you the truth and all the information you need to know about heating and cooling. Especially your very own central heat and a/c unit! Never trust the internet these days. Also another important thing to mention is to never attempt to repair your own central heating and air conditioning system. If there is a problem, always call the local heating and air conditioning specialists. Because yes, it may cost you, but it will be much cheaper than having to invest in a brand new and up to date central heat and a/c unit if you break your current HVAC system. This is an investment you can avoid if you just call your local heating and air conditioning company when it is very much needed.