dome or barrel

[istoven]

which kind of oven heats up faster and holds heat better a dome or a barrel

[Ken524]

Re: dome or barrel

The short answer is "It depends".

You must compare size, thermal mass, insulation; lot's of variables of the two ovens.

Here is an article comparing dome vs. barrel.
Why Build an Italian Brick Oven | Round Brick Oven Design

Hope that helps.