HELOC vs Cash-Out Refinance: Which Uses Your Equity Better?

Home equity is wealth sitting in your walls. The question is how to unlock it without overpaying on rates or fees. Here is the side-by-side math.

If your home has appreciated and you have paid down principal, you are sitting on equity that can be converted to cash. The two main tools are a home equity line of credit (HELOC) and a cash-out mortgage refinance. Both have strengths, but in 2026 the rate environment heavily favors one choice depending on your timeline. Use our HELOC calculator and mortgage calculator to model each scenario.

How Each One Works

A HELOC is a second mortgage structured as a revolving line of credit. You get a credit limit — usually up to 85% of your home value minus your existing mortgage balance — and draw what you need, when you need it. You only pay interest on what you use. Rates are variable, tied to the prime rate, and usually carry a 10-year draw period followed by a 20-year repayment period.

A cash-out refinance replaces your existing mortgage with a new, larger loan. You receive the difference as a lump sum at closing. This is a first mortgage, so it gets first-lien priority and usually offers a fixed rate.

Cost Breakdown: $400,000 Home, $80,000 Equity Need

Assume the home is worth $400,000, you owe $200,000, and you need $80,000 for a kitchen renovation.

	HELOC	Cash-Out Refinance
New loan total	$200,000 + $80,000 line	$280,000
Closing costs	$0 – $500	$8,000 – $14,000
Interest rate	8.5% variable	6.75% fixed
Payment structure	Interest-only on draw	Fixed P&I
5-year interest (est)	~$18,000	~$22,000
10-year interest (est)	~$42,000+	~$44,000

The HELOC wins on closing costs but loses if rates rise. If the prime rate climbs another 1% over five years, that HELOC hits 9.5% and the total interest flips in favor of the cash-out refinance. Fixed-rate predictability is worth a premium in a volatile rate environment.

Tax Implications

Under the Tax Cuts and Jobs Act, interest on home equity debt is only deductible if the money funds substantial home improvements. A kitchen renovation qualifies; paying off credit cards does not. Cash-out refinance interest on the "acquisition debt" portion (your original loan balance plus qualified improvements) is still deductible up to $750,000. Always confirm with your tax preparer before banking on the deduction.

The Decision Framework

Choose HELOC if: You need flexibility, might not use the full amount, plan to pay it back within 3 to 5 years, or already have a rock-bottom first mortgage rate you do not want to lose.

Choose cash-out refinance if: You want a fixed rate, need the full amount upfront for a large project, plan to stay in the home long-term, or your current mortgage rate is higher than today's market rate anyway.

Do the math before the lender does it for you. Our HELOC calculator compares draw schedules and rate shock scenarios side by side.