R-12 molecules are projected to last 100 years before they are eventually broken down and destroyed.

Encourage your customers to invest in more efficient heating and air conditioning products.

In the past three issues of this magazine I have covered a broad line of new and interesting things that I found when I was at the AHR Expo in Orlando, Fla., last February, and now we're down to the service tools, bits, and pieces.

I know that in my last article, I sounded as though I had wrapped up the new and interesting equipment that I found at the AHR Expo last February, but I started searching through my sack of stuff and found two more items that I thought were interesting.

I know that most of you don't sell Carrier equipment and that you consider them a competitor, but I want to tell you about a new system that I saw at the AHR Expo last February, because it is definitely the future of the residential HVAC business.

I don't know if you've ever attended an International Air-Conditioning, Heating, Refrigerating Exposition, but I think everyone in this business should, because there's just so much to see and learn.

Most problems can be prevented by following basic gas codes.

Perhaps the better choice for customers is 90+ AFUE furnaces that are properly installed with new plastic venting and a drain for the acidic condensate that is formed.

Greed and lack of appreciation for customers, stockholders and employees can lead to serious problems.

Happy and motivated employees combined with reliable suppliers make for a successful company.