I have a new fireplace and the old one did not smell. The new one doesn't smell unless the logs are installed. Is there anything I can do?

The smell should burn off after a few hours of operation, nothing else you can do but burn it with some windows open to clear the smell. This is common during break in.

This smell is particularly noticeable with unvented logs. If you have these type of logs, open the damper a bit and in a day or two, the smell will go away. Make sure to close the vent afterwards if using ventless logs.