When you need to tap your home equity, you have two main options: replace your mortgage with a larger one (cash-out refinance) or open a separate credit line (HELOC). The right choice often depends on your current mortgage rate.

Here’s how to decide which option saves you the most money.

Cash-Out Refinance vs HELOC: Quick Comparison

Feature Cash-Out Refinance HELOC
What it does Replaces existing mortgage Adds second lien
How you get funds Lump sum at closing Draw as needed
Interest rate Fixed (typically) Variable
Affects first mortgage Yes — resets rate/term No — keeps original
Monthly payments One payment Two payments
Closing costs 2-5% of loan 0-2% of line
Best current rate (2026) 6.75-7.5% 8-9.5% (variable)
Best if current mortgage is 5%+ Below 5%

How Each Works

Cash-Out Refinance

Step What Happens
1 Apply for new mortgage larger than current balance
2 New mortgage pays off old mortgage
3 You receive the difference as cash
4 You have one new mortgage with one payment

Example:

  • Current mortgage: $250,000 at 3.5%
  • New mortgage: $350,000 at 7%
  • Cash received: $100,000 (minus closing costs)
  • Result: Higher rate on entire balance, one payment

HELOC

Step What Happens
1 Apply for credit line secured by home
2 Original mortgage stays in place
3 HELOC is a second lien you draw from as needed
4 You have two payments (mortgage + HELOC)

Example:

  • Keep mortgage: $250,000 at 3.5%
  • Add HELOC: $100,000 line at 9%
  • Draw what you need: Say $50,000
  • Result: Low rate on original mortgage, higher rate only on HELOC balance

The “Golden Handcuffs” Problem

Many homeowners have mortgages from 2020-2022 with rates of 2.5-4%. This creates a dilemma:

Rate Impact: Common Scenario

Situation Monthly Payment Rate Comparison
Current mortgage $250,000 at 3.5% Locked in low rate
Cash-out refi to $350k $350,000 at 7% Pay 7% on everything
Keep mortgage + HELOC $250,000 at 3.5% + $100,000 at 9% Blended rate ~5%

Calculating the True Cost

Option Total Borrowed Weighted Average Rate Monthly Payment
Cash-out refi $350,000 7.0% $2,329
Mortgage + HELOC $350,000 5.0% blended $2,125
Difference $204/month

With a low existing rate, HELOC is often $200+/month cheaper.


When to Choose Each Option

Choose Cash-Out Refinance If:

Situation Why Refi Wins
Current rate is 5%+ Not sacrificing a low rate
Want one fixed payment Simplicity
Need to reset loan term Extend to 30 years
Rates have dropped Can improve overall rate
Large amount needed (over 50% of value) Better terms than HELOC
Want to remove PMI Refi to lower LTV

Choose HELOC If:

Situation Why HELOC Wins
Current rate is under 5% Keep your low rate
Need flexible access Draw as needed
Uncertain how much you need Only pay on what you use
Want lower closing costs Often free or minimal
Short-term need Can pay off quickly
May sell in 5-10 years Don’t want to restart 30-year term

Rate Comparison (2026)

Current Market Rates

Product Rate Range Type
30-year fixed 6.5-7.25% Fixed
Cash-out refi 6.75-7.5% Fixed
HELOC 8-9.5% Variable (Prime + margin)
Home equity loan 8.5-10% Fixed

Rate Scenarios and Best Choice

Your Current Rate Cash-Out Refi at 7% HELOC at 9% Best Choice
3.0% Raises entire mortgage rate Only new money at 9% HELOC
4.0% Raises entire mortgage rate Only new money at 9% HELOC
5.0% Modest increase Only new money at 9% HELOC (usually)
6.0% Similar rate Only new money at 9% Toss-up
7.0%+ May lower rate Higher rate Cash-out refi

Cost Comparison

Cash-Out Refinance Costs

Cost Typical Amount
Origination fee 0.5-1% of loan
Appraisal $400-700
Title insurance $500-2,000
Title search/fees $200-500
Recording fees $50-250
Attorney/settlement $500-1,500
Points (optional) 0-2% for lower rate
Total 2-5% of loan amount

For a $350,000 cash-out refi: $7,000-$17,500 in closing costs.

HELOC Costs

Cost Typical Amount
Application fee $0-500
Appraisal $0-500 (often waived)
Title search $100-250
Recording fees $50-150
Annual fee $0-100
Early termination fee $0-500 (if closed in 2-3 years)
Total $0-1,500

For a $100,000 HELOC: $0-$1,500 in closing costs (many are free).


Monthly Payment Comparison

Scenario: Need $100,000 Cash, Have $250,000 Mortgage at 3.5%

Option Loan Structure Monthly Payment(s) Total Monthly
Cash-out refi $350,000 at 7%, 30-year $2,329 $2,329
Keep mortgage + HELOC $250,000 at 3.5% + $100,000 at 9% $1,123 + $750 $1,873
Difference $456/month

HELOC saves $456/month in this scenario — $5,472/year.

Scenario: Need $100,000 Cash, Have $250,000 Mortgage at 6.5%

Option Loan Structure Monthly Payment(s) Total Monthly
Cash-out refi $350,000 at 7%, 30-year $2,329 $2,329
Keep mortgage + HELOC $250,000 at 6.5% + $100,000 at 9% $1,580 + $750 $2,330
Difference $1/month

When your existing rate is close to current rates, the math is nearly equal.


Total Interest Cost Over Time

10-Year Comparison: $100,000 Cash Needed

Assuming keeping either option for 10 years:

Option Interest Paid (10 years) Remaining Balance
Cash-out refi ($350k at 7%) ~$220,000 ~$285,000
Original mortgage ($250k at 3.5%) + HELOC ($100k at 9%) ~$145,000 ~$205,000 + $35,000
Difference ~$75,000 more with cash-out

The HELOC scenario saves significant interest when protecting a low first mortgage rate.

When Cash-Out Refi Wins: Higher Existing Rate

Scenario Cash-Out Refi Keep Mortgage + HELOC
$250k mortgage at 7.5% Lowers to 7% 7.5% + 9% on new money
10-year interest ~$210,000 ~$230,000
Winner Cash-out refi

When your existing rate exceeds the refi rate, cash-out wins.


Flexibility Comparison

Cash-Out Refinance Flexibility

Feature Rating
Access to funds Full amount at closing
Drawing more later Not available (need new loan)
Prepayment Usually no penalty
Changing payment Fixed (predictable)
Selling home Simple payoff

HELOC Flexibility

Feature Rating
Access to funds Draw as needed (draw period)
Drawing more later Yes, up to credit limit
Prepayment Anytime, can re-borrow
Changing payment Variable (can fluctuate)
Selling home Both loans paid at closing

HELOC wins on flexibility — you only borrow what you need, when you need it.


Risk Factors

Cash-Out Refinance Risks

Risk Level Notes
Rate risk Low Fixed rate
Payment risk Low Fixed payment
Equity risk Moderate Larger loan secured by home
Giving up low rate High May regret if rates drop

HELOC Risks

Risk Level Notes
Rate risk High Variable rate can spike
Payment risk High Payment shock at refi period end
Equity risk Moderate Second lien adds debt
Line freeze Moderate Lender can reduce limit

HELOC Rate Risk Illustration

Prime Rate HELOC Rate (Prime + 1%) Payment on $100k (Interest-Only)
8.5% (current) 9.5% $792
10% 11% $917
11.5% 12.5% $1,042

A 3% increase in Prime adds $250/month to a $100,000 HELOC.


Real-World Scenarios

Scenario 1: Home Improvement ($75,000 Needed)

Situation: $300,000 mortgage at 3.25%, home worth $550,000

Option Structure Monthly Impact
Cash-out to $375k at 7% $2,494/month total +$1,188/month
Keep mortgage + $75k HELOC $1,306 + $563 = $1,869 +$563/month

Best choice: HELOC — Saves $625/month by protecting your 3.25% rate.

Scenario 2: Debt Consolidation ($50,000 Needed)

Situation: $200,000 mortgage at 6.75%, $50,000 in credit card debt at 22%

Option Structure Monthly Impact
Cash-out to $250k at 7% $1,663/month total Consolidates debt
Keep mortgage + $50k HELOC $1,298 + $375 = $1,673 Slightly higher

Best choice: Cash-out refinance — Rates are similar, simplifies to one payment, discipline of fixed payment helps debt payoff.

Scenario 3: Investment Property Purchase ($150,000 Needed)

Situation: $400,000 mortgage at 3.5%, home worth $750,000

Option Structure Monthly Impact
Cash-out to $550k at 7% $3,659/month total Replaces 3.5% with 7%
Keep mortgage + $150k HELOC $1,796 + $1,125 = $2,921 Protects low rate

Best choice: HELOC — Saves $738/month. The 3.5% rate is too valuable to lose.

Scenario 4: Small Amount Needed ($25,000)

Situation: $180,000 mortgage at 4%, home worth $350,000

Option Analysis
Cash-out to $205k High closing costs relative to amount
HELOC $25k draw Minimal closing costs, pay off quickly

Best choice: HELOC — Closing costs on cash-out refi could be $5,000+ for just $25,000 in cash. HELOC is often free or very low cost.


The Break-Even Analysis

When Do Closing Costs Pay Off?

Cash-out refinance has higher closing costs but (potentially) lower ongoing costs if your current rate is high.

Scenario Cash-Out Cost Advantage Break-Even Time
Low current rate (3.5%), high refi rate (7%) None — HELOC always wins Never
Similar rates (6.5% to 7%) Minor interest savings 5-7 years
High current rate (8%) to lower refi (7%) Yes — interest savings 2-3 years

Break-Even Calculator Variables

Factor Impact on Decision
Your current rate Higher = favors cash-out
Refi rate offered Lower = favors cash-out
HELOC rate Higher = favors cash-out
Amount needed Larger = favors cash-out
Time in home Longer = more time to recoup costs
Closing cost difference Higher = longer break-even

Tax Considerations

Interest Deductibility

Requirement Both Products
Must be used to “buy, build, or substantially improve” home Required for deduction
Combined loan limit $750,000
Must itemize Standard deduction may be higher

Tax Deduction Comparison

Use of Funds Cash-Out Refi HELOC
Home improvement ✅ Deductible ✅ Deductible
Debt consolidation ❌ Not deductible ❌ Not deductible
Investment property ❌ Not deductible on primary ❌ Not deductible on primary

The tax treatment is identical — it depends on how funds are used, not which product.


Decision Framework

Step 1: Check Your Current Rate

Your Current Rate Initial Recommendation
Under 4% Strongly favor HELOC
4-5.5% Likely favor HELOC
5.5-6.5% Analyze both carefully
Over 6.5% Consider cash-out refi

Step 2: Evaluate Your Needs

Your Need Better Option
Large lump sum (50%+ of home value) Cash-out refi
Smaller amount (under $100k) HELOC
Uncertain amount HELOC
Ongoing access HELOC
One-time expense Either

Step 3: Consider Your Timeline

Timeline Better Option
Selling in under 5 years HELOC (lower closing costs)
Staying 10+ years Depends on rate math
Need funds for years HELOC (draw period)
One-time expense Either

Decision Matrix

Your Situation Cash-Out Refinance HELOC
Current mortgage rate under 4%
Current mortgage rate over 6.5%
Need flexible access to funds
Want fixed, predictable payment
Small amount needed ($25-50k)
Large amount (over $150k)
Selling home in under 5 years
Want to reset to 30-year term
Concerned about rising rates
Want lowest closing costs

The Bottom Line

Cash-Out Refinance vs HELOC: The Verdict

Factor Cash-Out Refinance HELOC
Keeping low existing rate Loses it Preserves it
Payment simplicity One payment Two payments
Interest rate Fixed Variable
Closing costs Higher Lower
Flexibility Lump sum only Draw as needed
For large amounts Better terms Limited
When rates are high May not matter Protects low rate

The Simple Rule for 2026

If your current mortgage rate is under 5%: Choose HELOC. Your low rate is too valuable to sacrifice.

If your current mortgage rate is over 6.5%: Consider cash-out refinance. You’re not giving up much (or anything) on rate.

If your current mortgage rate is 5-6.5%: Run the numbers for your specific situation. The answer depends on the exact rates, amounts, and how long you’ll stay in the home.

For most homeowners who locked in rates between 2020-2022, the HELOC is the clear winner because protecting that sub-4% rate saves thousands per year.