HELOC vs. Home Equity Loan: What's the Difference?
Both let a homeowner borrow against equity already built up in the house, but a HELOC and a home equity loan hand over that money in very different shapes.
The short answer
A home equity loan provides a single lump sum upfront at a fixed interest rate, repaid in equal installments over a set term, much like a second mortgage. A HELOC provides a revolving credit line that can be drawn from as needed, typically at a variable rate, during an initial draw period, followed by a repayment period. Both borrow against the same source, home equity, but structure the borrowing and repayment very differently.
How each works mechanically
A home equity loan is straightforward: the lender disburses the full approved amount at closing, and the borrower repays it, plus interest, in fixed monthly installments over a set term, similar in structure to how a fixed-rate mortgage amortizes. A HELOC works more like a credit card secured by the home: a maximum credit limit is set, and the borrower draws funds as needed up to that limit, repaying and potentially redrawing during the draw period, with a variable rate that can move the required payment over time.
Cost differences
Because a home equity loan carries a fixed rate on the full amount from day one, the total interest cost is more predictable and calculable upfront, similar to comparing loans by their APR. A HELOC’s cost is harder to predict in advance, since it depends on both how much of the credit line actually gets drawn and how the variable rate moves over the draw and repayment periods, interest generally only accrues on the amount drawn, not the full available limit, which can make it cheaper for a smaller or uncertain need but harder to budget for precisely.
Timing differences
A home equity loan suits a known, one-time expense, since the full amount arrives at once and repayment begins immediately on a fixed schedule. A HELOC suits an ongoing or uncertain need, where the exact amount or timing of the expense isn’t fully known upfront, funds can be drawn only when actually needed, which avoids paying interest on money that’s sitting unused. That structural difference is often the deciding factor more than the rate itself.
A common mistake to avoid
A frequent mistake is choosing based on the interest rate alone without accounting for how the borrowing need actually unfolds over time. Someone with a single, fixed-cost project might take out a HELOC and end up drawing the full amount immediately anyway, missing out on the rate predictability a home equity loan would have offered. Conversely, someone with an ongoing or uncertain expense who takes a lump-sum home equity loan may end up paying interest on funds that sit unused for months. Matching the borrowing structure to the actual shape of the expense matters as much as comparing rates.
What to weigh
Both options put the home itself up as collateral, which is a meaningful difference from unsecured borrowing and worth weighing against other forms of debt. Beyond the rate structure, it’s worth comparing fees, any minimum draw or balance requirements on a HELOC, and how each lender handles the transition from a HELOC’s draw period into its repayment period, since that shift can bring a real payment increase later.
The takeaway
The choice between a HELOC and a home equity loan comes down to how the borrowing need is shaped: a single known amount favors the predictability of a lump sum, while an ongoing or uncertain need favors the flexibility of a credit line. Matching the tool to the actual expense, rather than defaulting to whichever is more familiar, is more useful than chasing the lowest advertised rate alone.