Path-Q Solar

What should I ask a solar installer when comparing a cash purchase with a financed purchase?

Answer

Ask the installer to show the cash price and the complete financed cost separately, including every fee, payment assumption, rate or finance charge, prepayment effect, and included warranty or service item. Compare total ownership cost, expected cash flow, and who owns the system rather than comparing only the monthly payment.

Key points

  • Request the same system design and scope for both payment methods.
  • Ask whether financing changes the contract price, equipment, warranty, or installer compensation.
  • Clarify payment timing, loan term, rate structure, fees, and consequences of early payoff.
  • Confirm who receives or is responsible for any applicable incentives or tax treatment rather than assuming they reduce the price.

What it depends on

  • Available cash and alternative uses for it
  • Financing terms and all associated fees
  • System price, production estimate, and warranty
  • Expected time in the property
  • Ownership and transfer requirements if the property is sold

Risks and trade-offs

  • A low monthly payment can hide a longer term or higher total cost.
  • Financing may affect sale, refinancing, or transfer of the property.
  • Cash purchase avoids borrowing costs but uses funds that may be needed for other priorities.

Information you may need

  • Written cash proposal
  • Full financing agreement or term sheet
  • Total payments, fees, and prepayment terms
  • Equipment, warranty, and service scope
  • Ownership and transfer provisions

Your next step

What to do next

Ask each installer for a written cash and financed proposal with identical equipment and scope, then compare total outlay and expected cash flow over the same period.

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