The internet sure can be a great source of information. However you do need to be careful what you read and where you read it! Don’t believe everything you read on the internet unless you are one hundred percent sure that the information is from a professional in whatever you are researching. For instance, there are so many false stories and information on heating and air conditioning out there. If you listen to some of these false stories, you could possibly end up breaking your central heating and air conditioning system or even worse, you could cost yourself a bundle in energy bills when you don’t have to. I learned all this through trial and error while searching for more information on heating and air conditioning around the internet. The one thing I did find that was true and useful information on heating and cooling was the fact that you can use portable HVAC equipment to lower your monthly electric bills. This was useful and true information that I got from the internet. But then when you read things like you can repair a central heating and air conditioning system on your own, that is a total out and right lie! The only way you could repair your own central heating and air conditioning system is if you were a certified HVAC specialist! If you are not, do not even try to attempt it with the false information on heating and cooling repair out there. If you do not listen to what I am saying, you will be very very sorry in the end!