Upgrade 100 amp panel with 200 amp breaker

[Scooby678]

I have an apartment that only has 100 amp service. I have installed a 60 amp breaker for a tank less water heater and another 20 amp breaker for a 12000 btu mini split. Also I have 4 other 20 amp breakers for the lights and plugs and have two baseboard heaters. I feel like I'm at the limit for my panel even though I have many open spaces left. So my question is can I upgrade just the main breaker without changing the panel? If so how do I go about it?

 

[Dennis Alwon]

I am closing this thread, in accordance with the Forum rules. This Forum is intended to assist professional electricians, inspectors, engineers, and other members of the electrical industry in the performance of their job-related tasks. However, if you are not an electrician or an electrical contractor, then we are not permitted to help you perform your own electrical installation work.


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