Is your air conditioning on its last legs? Are you considering investing in a new air conditioning unit but question whether you will need to install a new heating system at the same time? How much time and money are required to upgrade an outdated heating and cooling system? How much money can you save on utilities after you install a new system? My blog is all about upgrading older air conditioning and heating systems. You will find the answers to these and many other questions that you need the answers to prior to making any decision about installing new systems in your home.