Hi,
If you have a gas dryer.
The most common problem with a gas and no heat is the ignitor going bad...

Here is a tip that I wrote about that problem...

http://ping.fm/j0REo

If your dryer is electric..
There could be a number of different problems...
Check out this tip that I wrote about this problem...


http://ping.fm/FLaD2

heatman101