How much equity do I need?

Most home equity lenders cap combined loan-to-value at about 85% (cash-out at 80%), so you generally need to keep at least 15-20% equity in the home.

Will it touch my first mortgage?

A HELOC or home equity loan sits behind your existing mortgage and leaves its rate alone. Only a cash-out refinance replaces your first mortgage.

Tap Equity for Solar or Energy Upgrades

Tap Equity for Solar or Energy Upgrades is more doable than many homeowners assume. Below is what lenders actually require and how to put your strongest file forward.

The short answer

Financing solar panels with a home equity loan or HELOC often beats vendor solar loans on rate, and because solar panels are a permanent improvement to the home, the interest may be tax-deductible as it is used to substantially improve the property. You may also qualify separately for the federal residential clean-energy tax credit on the system cost.

What home equity lenders look for

Equity: keep at least 15-20% — combined loan-to-value caps near 85% (cash-out at 80%).
Credit: roughly 620+ to qualify; 680+ unlocks the best HELOC pricing.
Debt-to-income: generally under ~43-50% including the new payment.
The right tool: a HELOC or home equity loan keeps your first mortgage; a cash-out refinance replaces it.

Rates and equity rules change. Join the free Cashout Equity alerts to hear when the numbers that affect this move.

Your next steps

Estimate your value and current balance to gauge equity, pull your credit, and get quotes from two or three lenders the same day. Then choose the product that fits — flexible (HELOC), fixed lump sum (home equity loan), or full refinance (cash-out).

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Frequently Asked Questions

Tap Equity for Solar or Energy Upgrades — is it possible in 2026?: Financing solar panels with a home equity loan or HELOC often beats vendor solar loans on rate, and because solar panels are a permanent improvement to the home, the interest may be tax-deductible as it is used to substantially improve the property. You may also qualify separately for the federal residential clean-energy tax credit on the system cost.
How much equity do I need?: Most home equity lenders cap combined loan-to-value at about 85% (cash-out at 80%), so you generally need to keep at least 15-20% equity in the home.
Will it touch my first mortgage?: A HELOC or home equity loan sits behind your existing mortgage and leaves its rate alone. Only a cash-out refinance replaces your first mortgage.