Energy Savings for Ovens and Furnaces

Let's continue our discussion on Energy Savings. This time the focus is ovens and furnaces:

In multi-zone oven applications where solvents and solvent levels change depending upon the product produced, LFL/LEL Analyzers are necessary for monitoring in order to stay safe. These analyzers need to be consistent and reliable amongst this constantly changing atmosphere.

So ... is there a way to save money and reduce energy without compromising this safety?