Married filing jointly, new LLC and W2

Hi there - thank you for this forum!  My husband started an LLC last November but didn't start making money until this year.  I work for an employer who gives me a W2.  We plan to file jointly.

 

With this in mind, what should we consider when managing tax payments?  I typically get a refund, so would that be reduced by the LLC taxes?  I've never done this before and I want to make sure I'm not missing anything!