Getting an oil company to do an ac installation in your company or home can be a daunting task. With referrals from your friends and families and the numerous searches, you do online it can get even more complicated as the options seem to be endless. At the end of the day, you should always remember that you are making a permanent installation and you won’t get it fixed again tomorrow hence you should make a very informed decision. This is indeed a long term investment, and you will need to get value for your hard earned bucks.