The size of a powder coating oven has an impact on how fast or slow the process is. Smaller ovens result in longer cycle times and as a result, less production time. Larger ovens can help operators run faster, which results in higher yields and lower operating costs. Here’s how the size of your powder coating oven impacts production speed: There are many factors that go into the decision when selecting the right size of your powder coating oven. The answer may not be as simple as small, medium or large. Depending on what you are producing, you may need a specific footprint to meet process needs.