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How do you know it's safer? Just because the heater is glass? The construction materials of the heater aren't as important as the vapor path, and the Vaporfection doesn't have an all glass vapor path.
Comparing, safety wise, to the Volcano is a moot point anyway, since the 'cano is not an unsafe device.
If any vapes should be questioned, safety wise, it's all the cheap digital, made in China, no warranty vapes. For one thing, they're certainly not spending an extra nickel to avoid using components containing lead.
Although vapor is much kinder to the throat and lungs than smoke, you can't consume large quantities of vapor on a daily basis and not expect it to affect your lungs.
right off the vaporfection website- Glass heating element - Better than quartz and ceramic elements! The first vaporizer with glass on glass on glass technology! This provides a pure, rich tastier aroma vapor without the use of diluted vapor from a balloon vaporizer system. Our glass element also provides better efficiency because this is a real heating element and not a light bulb!