HELOC vs home equity loan: which is right for your situation?

A HELOC is a revolving credit line — flexible draws, variable rate. A home equity loan is a lump sum at a fixed rate. HELOCs suit ongoing or unpredictable needs (renovation phases, business working capital); home equity loans suit one-time, large, predictable expenses (a single project, debt consolidation at a known payoff cost). Both put your home at risk if you default.

Both products tap the equity you've built in your home — the difference is in how the money is structured and repriced over time.

The core structural difference

HELOC (home equity line of credit): A revolving line you draw from as needed, up to a set credit limit. Works like a credit card backed by your home equity. During the draw period (typically 10 years), you can borrow, repay, and borrow again. Interest is charged only on the outstanding balance. Most HELOCs carry a variable rate tied to the prime rate or another index — your payment moves when benchmark rates move.
Home equity loan: A one-time lump sum disbursed at closing, repaid in fixed monthly installments over a set term (typically 5–30 years). The interest rate is fixed at origination, so your payment never changes. You receive and repay the full amount regardless of how much you actually use.

When a HELOC makes more sense

Ongoing or phased costs. A multi-phase renovation, a business line of working capital, or irregular expenses over several years. You draw only what you need, when you need it — and you only pay interest on what you've drawn.
You expect to repay quickly. If you'll pay the balance off within a year or two, the lower initial rate of a HELOC (variable but often lower than a fixed home equity loan) may cost less in total interest.
Flexibility over predictability. You can borrow $20,000 in January, pay it back by March, and borrow again in October without going through a new application.

When a home equity loan makes more sense

Single, large, predictable expense. A kitchen remodel with a firm contractor bid, a medical procedure with a known cost, or paying off a specific debt with a defined balance.
You need rate certainty. If benchmark rates are rising — or if you need predictable monthly payments for budgeting — a fixed home equity loan removes the repricing risk a HELOC carries.
Long repayment term. For expenses you'll need 10–20 years to repay, locking a fixed rate provides more cost certainty over a long horizon than a variable HELOC.

Tax deductibility — same rules, same limits

Under the Tax Cuts and Jobs Act (TCJA) and IRS Publication 936, interest on both HELOCs and home equity loans is only deductible if the loan is used to buy, build, or substantially improve the home that secures the loan. If you use either product to consolidate personal debt, pay medical bills, or fund general expenses, the interest is not deductible. The $750,000 combined acquisition debt limit (for married filing jointly on loans originated after December 15, 2017) applies to the combined total of your first mortgage plus any home equity debt used for acquisition purposes.

Both put your home at risk

With any home-secured product, your home is the collateral. The CFPB warns that failure to repay can result in foreclosure — the same risk applies whether you borrowed via a HELOC or a lump-sum home equity loan. Don't use either product to cover expenses you'd have trouble repaying if your income changed.

Verified: HELOC and home equity loan rules

A HELOC is a revolving line of credit that allows the borrower to draw funds as needed up to a set credit limit, with interest charged only on the outstanding balance. The home is the collateral. — Consumer Financial Protection Bureau
Under IRS Publication 936 and the Tax Cuts and Jobs Act, interest on home equity loans or HELOCs is deductible only when the loan proceeds are used to buy, build, or substantially improve the home that secures the loan. Interest used for other purposes (debt consolidation, personal expenses) is not deductible. — Internal Revenue Service — Publication 936
Failure to repay a HELOC can result in the loss of the home, since the home secures the line of credit. — Consumer Financial Protection Bureau

Key takeaways

HELOC: revolving, variable rate, draw as needed. Home equity loan: lump sum, fixed rate, single disbursement.
HELOCs suit phased or unpredictable costs; home equity loans suit single, large, predictable expenses where payment certainty matters.
Variable-rate HELOCs carry repricing risk — your payment rises when benchmark rates rise.
Interest is only deductible when either product is used to buy, build, or substantially improve the securing home (IRS Pub 936 / TCJA).
Both products put your home at risk if you default. Use them for costs you're confident you can repay.

Variable rate risk is real

A HELOC that starts at a competitive introductory rate can reprice significantly higher once the draw period ends or if benchmark rates rise. Before opening a HELOC, calculate your payment at a rate 2–3 percentage points higher than today's rate to stress-test affordability. If that scenario puts you in a bind, consider a fixed-rate home equity loan instead.