If you've built meaningful equity in your home, two products let you borrow against it: a home equity loan and a home equity line of credit (HELOC). Both use your home as collateral, both typically offer rates well below credit cards or personal loans, and both give you access to funds you otherwise couldn't tap. But they work in fundamentally different ways — one gives you a lump sum at a fixed rate, the other functions like a revolving credit line with a variable rate. Choosing between them comes down to what you need the money for, how predictable that need is, and how much interest rate risk you're willing to carry.

Key Takeaways
  • Home equity loan: fixed rate, lump sum, predictable payment — best for single large expenses with a known total cost
  • HELOC: variable rate, revolving credit line, flexible access — best for ongoing or phased expenses where total cost is unknown
  • Both require LTV ≤ 80–85%, credit score 620+, and documented income
  • Interest is only tax-deductible if funds are used to buy, build, or substantially improve the home securing the loan (post-2018 rules)
  • Both use your home as collateral — default risk is foreclosure, not just credit damage
Advertisement

What Home Equity Actually Is — and How Much You Can Borrow

Home equity is the difference between your home's current market value and the outstanding balance on your mortgage. If your home is worth $400,000 and your mortgage balance is $250,000, you have $150,000 in equity. But lenders don't let you borrow against all of it — they limit total debt on the property to 80–85% of the home's appraised value, a figure called the combined loan-to-value ratio (CLTV).

At an 80% CLTV limit on a $400,000 home, the maximum total debt allowed is $320,000. With a $250,000 first mortgage already in place, you can borrow up to $70,000 against your equity ($320,000 minus $250,000). If the lender allows 85% CLTV, the ceiling rises to $340,000 — meaning you could potentially borrow up to $90,000 in a home equity product. The actual amount you qualify for will also depend on your income, credit score, and debt-to-income ratio.

Lender requirements for both products are similar: CLTV at or below 80–85%, credit score typically 620 to 700 minimum (740+ for the best rates), debt-to-income ratio at or below 43%, verifiable income documentation, and usually a property appraisal to confirm current market value. These are not casual approvals — expect a process similar in rigor to a mortgage refinance.

How a Home Equity Loan Works

A home equity loan is exactly what the name suggests: you borrow a fixed amount, receive it as a lump sum at closing, and repay it over a fixed term at a fixed interest rate with fixed monthly payments. Terms typically range from 5 to 30 years. From the moment the loan funds, you are paying interest on the entire balance.

This structure makes home equity loans ideal for single, large, well-defined expenses where you know the total cost upfront. A major home renovation with a contractor who has given you a fixed bid. A medical bill with a known total. Consolidating high-interest credit card debt into a single fixed-rate payment. Funding a college semester. In each case, you need a specific amount now, you want to know exactly what your monthly payment will be every month for the life of the loan, and you want a guaranteed payoff date.

Consider a concrete example: borrow $50,000 at 8% fixed for 10 years. Your monthly payment is $607. Total interest paid over the life of the loan is $22,840. You know this number at the moment you sign. There are no surprises. If that $50,000 funds a kitchen renovation that adds $60,000 to your home's value, the net financial outcome is positive — and the interest may be tax-deductible (more on that below).

How a HELOC Works

A HELOC is a revolving credit line secured by your home — think of it as a credit card with your home as collateral, typically at a much lower interest rate. Instead of receiving a lump sum, you receive a credit limit and can draw against it, repay it, and draw again during the draw period (usually 10 years). After the draw period ends, the outstanding balance moves into the repayment period (typically 20 years) where you pay down the principal with interest.

The interest rate on a HELOC is variable, usually tied to the Prime Rate plus a margin set by the lender. In a Prime Rate environment of 8.5%, a HELOC at Prime + 0.5% carries a 9% rate. During the draw period, many HELOCs require interest-only payments on the outstanding balance — you are not required to pay down principal until repayment begins, though you can at any time.

HELOCs are well-suited for expenses that unfold over time with an uncertain total cost. A home improvement project done in phases — foundation repair this spring, new roof next fall, bathroom renovation the year after — where you draw funds as each phase begins and repay between phases. A business startup where cash needs are irregular. Covering expenses during a career transition. Some financially disciplined homeowners open a HELOC as a low-cost emergency fund alternative: the credit line sits available at a low rate but is never drawn upon unless something significant occurs. This strategy only works if you're genuinely disciplined about not treating the credit line as spending money.

Rate Environment and Interest Rate Risk

The rate comparison between these products matters, and it shifts with the interest rate environment. In 2025–2026, home equity loans are pricing at roughly 7–9% fixed. HELOCs are pricing at Prime plus a margin of 0–2%, putting them in the 8.5–10.5% range depending on creditworthiness — but that rate can move.

The rate risk in a HELOC is real and worth thinking through carefully. A $50,000 HELOC balance at 9% costs $375 per month in interest during the draw period. If the Prime Rate rises 2 percentage points — not an unusual move over a multi-year period — the rate becomes 11% and the interest payment climbs to $458 per month. That's an $83 monthly increase with no action on your part. Over a full year, that's nearly $1,000 in additional interest you didn't plan for.

If your budget has no margin for a rate increase of that magnitude, a fixed-rate home equity loan is the safer choice even if the initial rate is slightly higher. Predictability has real value when you're managing a household budget. Conversely, if rates are likely to fall during your draw period, the variable rate works in your favor — something worth considering in a declining rate environment.

The Tax Deductibility Question

The Tax Cuts and Jobs Act of 2018 significantly changed the rules on home equity interest deductibility, and many homeowners are still operating on outdated assumptions. Under current law, interest on a home equity loan or HELOC is only deductible if the proceeds are used to buy, build, or substantially improve the home that secures the loan. That's it.

Using HELOC proceeds to pay off credit card debt: not deductible. Using home equity loan funds to buy a car: not deductible. Using a HELOC to fund a vacation or medical bills: not deductible. But using a home equity loan to finance a kitchen renovation, addition, or significant structural repair on the home securing the loan: deductible, subject to the overall mortgage interest deduction limits. You also need to itemize deductions rather than taking the standard deduction for the interest write-off to have any value. Given that the standard deduction is now high enough that most households don't itemize, the tax benefit may be irrelevant to your situation regardless. Consult a tax professional before treating deductibility as a meaningful factor in your decision.

The Risk You Cannot Ignore

Both products use your home as collateral. This is worth stating plainly because it changes the nature of the risk in a way that many borrowers underestimate. When you borrow on a credit card or personal loan and default, the consequence is serious credit damage and potentially collections or a lawsuit. When you borrow against your home's equity and default, the lender can foreclose on your home. This transforms what feels like a low-rate convenience loan into a potential loss of your primary residence.

This doesn't mean home equity products are bad — they're legitimate financial tools used responsibly by millions of homeowners every year. It means you should be conservative about how much you borrow and specifically what you're using it for. Borrowing against your home to fund productive investments — home improvements that add value, debt consolidation at significantly lower rates, income-producing assets — is defensible. Borrowing against your home to fund consumption, lifestyle, or expenses that won't generate any return is a much riskier proposition. The low rate is not free; the cost is the security of your home.

Product Comparison

Feature Home Equity Loan HELOC
Disbursement Lump sum at closing Draw as needed (revolving)
Interest rate Fixed Variable (Prime + margin)
Monthly payment Fixed Variable (interest-only in draw period)
Best for One-time large expense with known cost Ongoing or phased expenses
Rate environment risk None (rate locked at closing) Rises with Prime Rate
Tax deductibility Only for home improvement use Only for home improvement use

When to Choose Each

Choose a home equity loan when you have a specific, well-defined expense with a known total cost, you want payment certainty over the life of the loan, and you're not comfortable with variable rate exposure. A contractor with a firm bid, a consolidation of a set amount of credit card debt, a tuition payment due on a specific date — these are home equity loan scenarios.

Choose a HELOC when your borrowing need is ongoing, phased, or uncertain in total cost, you want the flexibility to draw and repay multiple times, and you're financially comfortable with variable rate payments that may increase. Multi-year renovation projects, business startup funding, or a standing emergency credit line are HELOC scenarios. Some borrowers also open a HELOC when refinancing their home as a cost-effective insurance policy — the credit line is available if needed without the fees of a new application. If you do this, discipline yourself to treat it as emergency-only access, not a spending facility.

The decision is ultimately about matching the product's structure to your specific use case. Both are valid tools in the right situation. The wrong tool chosen for the right reasons still creates a mismatch — and with your home as collateral, a mismatch has consequences worth avoiding.