Back to Blog
Refinance5 min read

Should You Refinance Your Mortgage? When It Makes Sense

L
Lumina TeamSeptember 18, 2025

What Is Mortgage Refinancing?

Refinancing means replacing your existing mortgage with a new one, typically to get a better interest rate, change your loan term, or access your home equity. It's essentially taking out a new loan to pay off your current one.

Types of Refinancing

  • Rate-and-Term Refinance: Change your interest rate, loan term, or both. This is the most common type of refinance.
  • Cash-Out Refinance: Borrow more than you owe and receive the difference in cash. Useful for home improvements, debt consolidation, or major expenses.
  • Streamline Refinance: Simplified refinancing for FHA and VA loans with reduced documentation requirements.

When Does Refinancing Make Sense?

  • Lower Interest Rate: A general rule is that refinancing makes sense if you can reduce your rate by at least 0.5-1%. But always calculate the break-even point.
  • Shorter Loan Term: Switching from a 30-year to a 15-year mortgage can save significant interest over the life of the loan.
  • Remove PMI: If your home has appreciated and you now have 20%+ equity, refinancing can eliminate PMI payments.
  • Cash-Out for Major Expenses: Using home equity for renovations, education, or debt consolidation can be more cost-effective than other borrowing options.
  • Switch from ARM to Fixed: If you have an adjustable-rate mortgage and want payment stability, refinancing to a fixed rate provides certainty.

Calculating Your Break-Even Point

Refinancing has costs (typically 2-5% of the loan amount). To determine if it's worthwhile, divide your total closing costs by your monthly savings. The result is the number of months until you break even. If you plan to stay in the home longer than the break-even period, refinancing likely makes sense.

Example: If refinancing costs $4,000 and saves you $200/month, your break-even point is 20 months. If you plan to stay for 5+ years, you'll save $8,000 after the break-even point.

Ready to take the next step?

Get pre-approved in minutes and compare rates from 50+ lenders through our AI-powered platform.

Get Started